Merge branch 'topic/hdsp' into for-linus

1 files changed, 265 insertions, 241 deletions

diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c
index bacfdd12619b..314e73531bd1 100644
--- a/sound/pci/rme9652/hdsp.c
+++ b/sound/pci/rme9652/hdsp.c
@@ -113,7 +113,7 @@ MODULE_FIRMWARE("digiface_firmware_rev11.bin");
 
 /* the meters are regular i/o-mapped registers, but offset
    considerably from the rest. the peak registers are reset
-   when read; the least-significant 4 bits are full-scale counters; 
+   when read; the least-significant 4 bits are full-scale counters;
    the actual peak value is in the most-significant 24 bits.
 */
 
@@ -131,7 +131,7 @@ MODULE_FIRMWARE("digiface_firmware_rev11.bin");
    26*3 values are read in ss mode
    14*3 in ds mode, with no gap between values
 */
-#define HDSP_9652_peakBase      7164    
+#define HDSP_9652_peakBase      7164
 #define HDSP_9652_rmsBase       4096
 
 /* c.f. the hdsp_9632_meters_t struct */
@@ -173,12 +173,12 @@ MODULE_FIRMWARE("digiface_firmware_rev11.bin");
 #define HDSP_SPDIFEmphasis        (1<<10) /* 0=none, 1=on */
 #define HDSP_SPDIFNonAudio        (1<<11) /* 0=off, 1=on */
 #define HDSP_SPDIFOpticalOut      (1<<12) /* 1=use 1st ADAT connector for SPDIF, 0=do not */
-#define HDSP_SyncRef2             (1<<13) 
-#define HDSP_SPDIFInputSelect0    (1<<14) 
-#define HDSP_SPDIFInputSelect1    (1<<15) 
-#define HDSP_SyncRef0             (1<<16) 
+#define HDSP_SyncRef2             (1<<13)
+#define HDSP_SPDIFInputSelect0    (1<<14)
+#define HDSP_SPDIFInputSelect1    (1<<15)
+#define HDSP_SyncRef0             (1<<16)
 #define HDSP_SyncRef1             (1<<17)
-#define HDSP_AnalogExtensionBoard (1<<18) /* For H9632 cards */ 
+#define HDSP_AnalogExtensionBoard (1<<18) /* For H9632 cards */
 #define HDSP_XLRBreakoutCable     (1<<20) /* For H9632 cards */
 #define HDSP_Midi0InterruptEnable (1<<22)
 #define HDSP_Midi1InterruptEnable (1<<23)
@@ -314,7 +314,7 @@ MODULE_FIRMWARE("digiface_firmware_rev11.bin");
 #define HDSP_TimecodeSync       (1<<27)
 #define HDSP_AEBO               (1<<28) /* H9632 specific Analog Extension Boards */
 #define HDSP_AEBI               (1<<29) /* 0 = present, 1 = absent */
-#define HDSP_midi0IRQPending    (1<<30) 
+#define HDSP_midi0IRQPending    (1<<30)
 #define HDSP_midi1IRQPending    (1<<31)
 
 #define HDSP_spdifFrequencyMask    (HDSP_spdifFrequency0|HDSP_spdifFrequency1|HDSP_spdifFrequency2)
@@ -391,7 +391,7 @@ MODULE_FIRMWARE("digiface_firmware_rev11.bin");
 #define HDSP_CHANNEL_BUFFER_BYTES    (4*HDSP_CHANNEL_BUFFER_SAMPLES)
 
 /* the size of the area we need to allocate for DMA transfers. the
-   size is the same regardless of the number of channels - the 
+   size is the same regardless of the number of channels - the
    Multiface still uses the same memory area.
 
    Note that we allocate 1 more channel than is apparently needed
@@ -460,7 +460,7 @@ struct hdsp {
         unsigned char         qs_in_channels;        /* quad speed mode for H9632 */
         unsigned char         ds_in_channels;
         unsigned char         ss_in_channels;       /* different for multiface/digiface */
-        unsigned char         qs_out_channels;      
+        unsigned char         qs_out_channels;
         unsigned char         ds_out_channels;
         unsigned char         ss_out_channels;
 
@@ -502,9 +502,9 @@ static char channel_map_df_ss[HDSP_MAX_CHANNELS] = {
 
 static char channel_map_mf_ss[HDSP_MAX_CHANNELS] = { /* Multiface */
         /* Analog */
-        0, 1, 2, 3, 4, 5, 6, 7, 
+        0, 1, 2, 3, 4, 5, 6, 7,
         /* ADAT 2 */
-        16, 17, 18, 19, 20, 21, 22, 23, 
+        16, 17, 18, 19, 20, 21, 22, 23,
         /* SPDIF */
         24, 25,
         -1, -1, -1, -1, -1, -1, -1, -1
@@ -525,11 +525,11 @@ static char channel_map_H9632_ss[HDSP_MAX_CHANNELS] = {
         /* SPDIF */
         8, 9,
         /* Analog */
-        10, 11, 
+        10, 11,
         /* AO4S-192 and AI4S-192 extension boards */
         12, 13, 14, 15,
         /* others don't exist */
-        -1, -1, -1, -1, -1, -1, -1, -1, 
+        -1, -1, -1, -1, -1, -1, -1, -1,
         -1, -1
 };
 
@@ -539,7 +539,7 @@ static char channel_map_H9632_ds[HDSP_MAX_CHANNELS] = {
         /* SPDIF */
         8, 9,
         /* Analog */
-        10, 11, 
+        10, 11,
         /* AO4S-192 and AI4S-192 extension boards */
         12, 13, 14, 15,
         /* others don't exist */
@@ -587,7 +587,7 @@ static void snd_hammerfall_free_buffer(struct snd_dma_buffer *dmab, struct pci_d
 static struct pci_device_id snd_hdsp_ids[] = {
         {
                 .vendor = PCI_VENDOR_ID_XILINX,
-                .device = PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP, 
+                .device = PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP,
                 .subvendor = PCI_ANY_ID,
                 .subdevice = PCI_ANY_ID,
         }, /* RME Hammerfall-DSP */
@@ -653,7 +653,6 @@ static unsigned int hdsp_read(struct hdsp *hdsp, int reg)
 
 static int hdsp_check_for_iobox (struct hdsp *hdsp)
 {
-
         if (hdsp->io_type == H9652 || hdsp->io_type == H9632) return 0;
         if (hdsp_read (hdsp, HDSP_statusRegister) & HDSP_ConfigError) {
                 snd_printk ("Hammerfall-DSP: no Digiface or Multiface connected!\n");
@@ -661,7 +660,29 @@ static int hdsp_check_for_iobox (struct hdsp *hdsp)
                 return -EIO;
         }
         return 0;
+}
+
+static int hdsp_wait_for_iobox(struct hdsp *hdsp, unsigned int loops,
+                               unsigned int delay)
+{
+        unsigned int i;
+
+        if (hdsp->io_type == H9652 || hdsp->io_type == H9632)
+                return 0;
 
+        for (i = 0; i != loops; ++i) {
+                if (hdsp_read(hdsp, HDSP_statusRegister) & HDSP_ConfigError)
+                        msleep(delay);
+                else {
+                        snd_printd("Hammerfall-DSP: iobox found after %ums!\n",
+                                   i * delay);
+                        return 0;
+                }
+        }
+
+        snd_printk("Hammerfall-DSP: no Digiface or Multiface connected!\n");
+        hdsp->state &= ~HDSP_FirmwareLoaded;
+        return -EIO;
 }
 
 static int snd_hdsp_load_firmware_from_cache(struct hdsp *hdsp) {
@@ -670,19 +691,19 @@ static int snd_hdsp_load_firmware_from_cache(struct hdsp *hdsp) {
         unsigned long flags;
 
         if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
-                
+
                 snd_printk ("Hammerfall-DSP: loading firmware\n");
 
                 hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_PROGRAM);
                 hdsp_write (hdsp, HDSP_fifoData, 0);
-                
+
                 if (hdsp_fifo_wait (hdsp, 0, HDSP_LONG_WAIT)) {
                         snd_printk ("Hammerfall-DSP: timeout waiting for download preparation\n");
                         return -EIO;
                 }
-                
+
                 hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_LOAD);
-                
+
                 for (i = 0; i < 24413; ++i) {
                         hdsp_write(hdsp, HDSP_fifoData, hdsp->firmware_cache[i]);
                         if (hdsp_fifo_wait (hdsp, 127, HDSP_LONG_WAIT)) {
@@ -692,7 +713,7 @@ static int snd_hdsp_load_firmware_from_cache(struct hdsp *hdsp) {
                 }
 
                 ssleep(3);
-                
+
                 if (hdsp_fifo_wait (hdsp, 0, HDSP_LONG_WAIT)) {
                         snd_printk ("Hammerfall-DSP: timeout at end of firmware loading\n");
                         return -EIO;
@@ -705,15 +726,15 @@ static int snd_hdsp_load_firmware_from_cache(struct hdsp *hdsp) {
 #endif
                 hdsp_write (hdsp, HDSP_control2Reg, hdsp->control2_register);
                 snd_printk ("Hammerfall-DSP: finished firmware loading\n");
-                
+
         }
         if (hdsp->state & HDSP_InitializationComplete) {
                 snd_printk(KERN_INFO "Hammerfall-DSP: firmware loaded from cache, restoring defaults\n");
                 spin_lock_irqsave(&hdsp->lock, flags);
                 snd_hdsp_set_defaults(hdsp);
-                spin_unlock_irqrestore(&hdsp->lock, flags); 
+                spin_unlock_irqrestore(&hdsp->lock, flags);
         }
-        
+
         hdsp->state |= HDSP_FirmwareLoaded;
 
         return 0;
@@ -722,7 +743,7 @@ static int snd_hdsp_load_firmware_from_cache(struct hdsp *hdsp) {
 static int hdsp_get_iobox_version (struct hdsp *hdsp)
 {
         if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
-        
+
                 hdsp_write (hdsp, HDSP_control2Reg, HDSP_PROGRAM);
                 hdsp_write (hdsp, HDSP_fifoData, 0);
                 if (hdsp_fifo_wait (hdsp, 0, HDSP_SHORT_WAIT) < 0)
@@ -738,7 +759,7 @@ static int hdsp_get_iobox_version (struct hdsp *hdsp)
                         hdsp_fifo_wait (hdsp, 0, HDSP_SHORT_WAIT);
                 } else {
                         hdsp->io_type = Digiface;
-                } 
+                }
         } else {
                 /* firmware was already loaded, get iobox type */
                 if (hdsp_read(hdsp, HDSP_status2Register) & HDSP_version1)
@@ -786,13 +807,13 @@ static int hdsp_check_for_firmware (struct hdsp *hdsp, int load_on_demand)
 
 
 static int hdsp_fifo_wait(struct hdsp *hdsp, int count, int timeout)
-{    
+{
         int i;
 
         /* the fifoStatus registers reports on how many words
            are available in the command FIFO.
         */
-        
+
         for (i = 0; i < timeout; i++) {
 
                 if ((int)(hdsp_read (hdsp, HDSP_fifoStatus) & 0xff) <= count)
@@ -824,11 +845,11 @@ static int hdsp_write_gain(struct hdsp *hdsp, unsigned int addr, unsigned short
 
         if (addr >= HDSP_MATRIX_MIXER_SIZE)
                 return -1;
-        
+
         if (hdsp->io_type == H9652 || hdsp->io_type == H9632) {
 
                 /* from martin bjornsen:
-                   
+
                    "You can only write dwords to the
                    mixer memory which contain two
                    mixer values in the low and high
@@ -847,7 +868,7 @@ static int hdsp_write_gain(struct hdsp *hdsp, unsigned int addr, unsigned short
 
                 hdsp->mixer_matrix[addr] = data;
 
-                
+
                 /* `addr' addresses a 16-bit wide address, but
                    the address space accessed via hdsp_write
                    uses byte offsets. put another way, addr
@@ -856,17 +877,17 @@ static int hdsp_write_gain(struct hdsp *hdsp, unsigned int addr, unsigned short
                    to access 0 to 2703 ...
                 */
                 ad = addr/2;
-        
-                hdsp_write (hdsp, 4096 + (ad*4), 
-                            (hdsp->mixer_matrix[(addr&0x7fe)+1] << 16) + 
+
+                hdsp_write (hdsp, 4096 + (ad*4),
+                            (hdsp->mixer_matrix[(addr&0x7fe)+1] << 16) +
                             hdsp->mixer_matrix[addr&0x7fe]);
-                
+
                 return 0;
 
         } else {
 
                 ad = (addr << 16) + data;
-                
+
                 if (hdsp_fifo_wait(hdsp, 127, HDSP_LONG_WAIT))
                         return -1;
 
@@ -902,7 +923,7 @@ static int hdsp_spdif_sample_rate(struct hdsp *hdsp)
 
         if (status & HDSP_SPDIFErrorFlag)
                 return 0;
-        
+
         switch (rate_bits) {
         case HDSP_spdifFrequency32KHz: return 32000;
         case HDSP_spdifFrequency44_1KHz: return 44100;
@@ -910,13 +931,13 @@ static int hdsp_spdif_sample_rate(struct hdsp *hdsp)
         case HDSP_spdifFrequency64KHz: return 64000;
         case HDSP_spdifFrequency88_2KHz: return 88200;
         case HDSP_spdifFrequency96KHz: return 96000;
-        case HDSP_spdifFrequency128KHz: 
+        case HDSP_spdifFrequency128KHz:
                 if (hdsp->io_type == H9632) return 128000;
                 break;
-        case HDSP_spdifFrequency176_4KHz: 
+        case HDSP_spdifFrequency176_4KHz:
                 if (hdsp->io_type == H9632) return 176400;
                 break;
-        case HDSP_spdifFrequency192KHz: 
+        case HDSP_spdifFrequency192KHz:
                 if (hdsp->io_type == H9632) return 192000;
                 break;
         default:
@@ -1027,7 +1048,7 @@ static void hdsp_set_dds_value(struct hdsp *hdsp, int rate)
 {
         u64 n;
         u32 r;
-        
+
         if (rate >= 112000)
                 rate /= 4;
         else if (rate >= 56000)
@@ -1053,35 +1074,35 @@ static int hdsp_set_rate(struct hdsp *hdsp, int rate, int called_internally)
            there is no need for it (e.g. during module
            initialization).
         */
-        
-        if (!(hdsp->control_register & HDSP_ClockModeMaster)) { 
+
+        if (!(hdsp->control_register & HDSP_ClockModeMaster)) {
                 if (called_internally) {
                         /* request from ctl or card initialization */
                         snd_printk(KERN_ERR "Hammerfall-DSP: device is not running as a clock master: cannot set sample rate.\n");
                         return -1;
-                } else {                
+                } else {
                         /* hw_param request while in AutoSync mode */
                         int external_freq = hdsp_external_sample_rate(hdsp);
                         int spdif_freq = hdsp_spdif_sample_rate(hdsp);
-                
+
                         if ((spdif_freq == external_freq*2) && (hdsp_autosync_ref(hdsp) >= HDSP_AUTOSYNC_FROM_ADAT1))
                                 snd_printk(KERN_INFO "Hammerfall-DSP: Detected ADAT in double speed mode\n");
                         else if (hdsp->io_type == H9632 && (spdif_freq == external_freq*4) && (hdsp_autosync_ref(hdsp) >= HDSP_AUTOSYNC_FROM_ADAT1))
-                                snd_printk(KERN_INFO "Hammerfall-DSP: Detected ADAT in quad speed mode\n");                     
+                                snd_printk(KERN_INFO "Hammerfall-DSP: Detected ADAT in quad speed mode\n");
                         else if (rate != external_freq) {
                                 snd_printk(KERN_INFO "Hammerfall-DSP: No AutoSync source for requested rate\n");
                                 return -1;
-                        }               
-                }       
+                        }
+                }
         }
 
         current_rate = hdsp->system_sample_rate;
 
         /* Changing from a "single speed" to a "double speed" rate is
            not allowed if any substreams are open. This is because
-           such a change causes a shift in the location of 
+           such a change causes a shift in the location of
            the DMA buffers and a reduction in the number of available
-           buffers. 
+           buffers.
 
            Note that a similar but essentially insoluble problem
            exists for externally-driven rate changes. All we can do
@@ -1089,7 +1110,7 @@ static int hdsp_set_rate(struct hdsp *hdsp, int rate, int called_internally)
 
         if (rate > 96000 && hdsp->io_type != H9632)
                 return -EINVAL;
-        
+
         switch (rate) {
         case 32000:
                 if (current_rate > 48000)
@@ -1179,7 +1200,7 @@ static int hdsp_set_rate(struct hdsp *hdsp, int rate, int called_internally)
                         break;
                 }
         }
-        
+
         hdsp->system_sample_rate = rate;
 
         return 0;
@@ -1245,16 +1266,16 @@ static int snd_hdsp_midi_output_write (struct hdsp_midi *hmidi)
         unsigned char buf[128];
 
         /* Output is not interrupt driven */
-                
+
         spin_lock_irqsave (&hmidi->lock, flags);
         if (hmidi->output) {
                 if (!snd_rawmidi_transmit_empty (hmidi->output)) {
                         if ((n_pending = snd_hdsp_midi_output_possible (hmidi->hdsp, hmidi->id)) > 0) {
                                 if (n_pending > (int)sizeof (buf))
                                         n_pending = sizeof (buf);
-                                
+
                                 if ((to_write = snd_rawmidi_transmit (hmidi->output, buf, n_pending)) > 0) {
-                                        for (i = 0; i < to_write; ++i) 
+                                        for (i = 0; i < to_write; ++i)
                                                 snd_hdsp_midi_write_byte (hmidi->hdsp, hmidi->id, buf[i]);
                                 }
                         }
@@ -1325,14 +1346,14 @@ static void snd_hdsp_midi_output_timer(unsigned long data)
 {
         struct hdsp_midi *hmidi = (struct hdsp_midi *) data;
         unsigned long flags;
-        
+
         snd_hdsp_midi_output_write(hmidi);
         spin_lock_irqsave (&hmidi->lock, flags);
 
         /* this does not bump hmidi->istimer, because the
            kernel automatically removed the timer when it
            expired, and we are now adding it back, thus
-           leaving istimer wherever it was set before.  
+           leaving istimer wherever it was set before.
         */
 
         if (hmidi->istimer) {
@@ -1501,7 +1522,7 @@ static int snd_hdsp_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd
 static int snd_hdsp_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         snd_hdsp_convert_to_aes(&ucontrol->value.iec958, hdsp->creg_spdif);
         return 0;
 }
@@ -1511,7 +1532,7 @@ static int snd_hdsp_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
         int change;
         u32 val;
-        
+
         val = snd_hdsp_convert_from_aes(&ucontrol->value.iec958);
         spin_lock_irq(&hdsp->lock);
         change = val != hdsp->creg_spdif;
@@ -1530,7 +1551,7 @@ static int snd_hdsp_control_spdif_stream_info(struct snd_kcontrol *kcontrol, str
 static int snd_hdsp_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         snd_hdsp_convert_to_aes(&ucontrol->value.iec958, hdsp->creg_spdif_stream);
         return 0;
 }
@@ -1540,7 +1561,7 @@ static int snd_hdsp_control_spdif_stream_put(struct snd_kcontrol *kcontrol, stru
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
         int change;
         u32 val;
-        
+
         val = snd_hdsp_convert_from_aes(&ucontrol->value.iec958);
         spin_lock_irq(&hdsp->lock);
         change = val != hdsp->creg_spdif_stream;
@@ -1602,7 +1623,7 @@ static int snd_hdsp_info_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_
 static int snd_hdsp_get_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         ucontrol->value.enumerated.item[0] = hdsp_spdif_in(hdsp);
         return 0;
 }
@@ -1612,7 +1633,7 @@ static int snd_hdsp_put_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_e
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
         int change;
         unsigned int val;
-        
+
         if (!snd_hdsp_use_is_exclusive(hdsp))
                 return -EBUSY;
         val = ucontrol->value.enumerated.item[0] % ((hdsp->io_type == H9632) ? 4 : 3);
@@ -1649,7 +1670,7 @@ static int hdsp_set_spdif_output(struct hdsp *hdsp, int out)
 static int snd_hdsp_get_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         ucontrol->value.integer.value[0] = hdsp_spdif_out(hdsp);
         return 0;
 }
@@ -1659,7 +1680,7 @@ static int snd_hdsp_put_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
         int change;
         unsigned int val;
-        
+
         if (!snd_hdsp_use_is_exclusive(hdsp))
                 return -EBUSY;
         val = ucontrol->value.integer.value[0] & 1;
@@ -1693,7 +1714,7 @@ static int hdsp_set_spdif_professional(struct hdsp *hdsp, int val)
 static int snd_hdsp_get_spdif_professional(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         ucontrol->value.integer.value[0] = hdsp_spdif_professional(hdsp);
         return 0;
 }
@@ -1703,7 +1724,7 @@ static int snd_hdsp_put_spdif_professional(struct snd_kcontrol *kcontrol, struct
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
         int change;
         unsigned int val;
-        
+
         if (!snd_hdsp_use_is_exclusive(hdsp))
                 return -EBUSY;
         val = ucontrol->value.integer.value[0] & 1;
@@ -1737,7 +1758,7 @@ static int hdsp_set_spdif_emphasis(struct hdsp *hdsp, int val)
 static int snd_hdsp_get_spdif_emphasis(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         ucontrol->value.integer.value[0] = hdsp_spdif_emphasis(hdsp);
         return 0;
 }
@@ -1747,7 +1768,7 @@ static int snd_hdsp_put_spdif_emphasis(struct snd_kcontrol *kcontrol, struct snd
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
         int change;
         unsigned int val;
-        
+
         if (!snd_hdsp_use_is_exclusive(hdsp))
                 return -EBUSY;
         val = ucontrol->value.integer.value[0] & 1;
@@ -1781,7 +1802,7 @@ static int hdsp_set_spdif_nonaudio(struct hdsp *hdsp, int val)
 static int snd_hdsp_get_spdif_nonaudio(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         ucontrol->value.integer.value[0] = hdsp_spdif_nonaudio(hdsp);
         return 0;
 }
@@ -1791,7 +1812,7 @@ static int snd_hdsp_put_spdif_nonaudio(struct snd_kcontrol *kcontrol, struct snd
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
         int change;
         unsigned int val;
-        
+
         if (!snd_hdsp_use_is_exclusive(hdsp))
                 return -EBUSY;
         val = ucontrol->value.integer.value[0] & 1;
@@ -1828,7 +1849,7 @@ static int snd_hdsp_info_spdif_sample_rate(struct snd_kcontrol *kcontrol, struct
 static int snd_hdsp_get_spdif_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         switch (hdsp_spdif_sample_rate(hdsp)) {
         case 32000:
                 ucontrol->value.enumerated.item[0] = 0;
@@ -1858,7 +1879,7 @@ static int snd_hdsp_get_spdif_sample_rate(struct snd_kcontrol *kcontrol, struct
                 ucontrol->value.enumerated.item[0] = 9;
                 break;
         default:
-                ucontrol->value.enumerated.item[0] = 6;         
+                ucontrol->value.enumerated.item[0] = 6;
         }
         return 0;
 }
@@ -1882,7 +1903,7 @@ static int snd_hdsp_info_system_sample_rate(struct snd_kcontrol *kcontrol, struc
 static int snd_hdsp_get_system_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         ucontrol->value.enumerated.item[0] = hdsp->system_sample_rate;
         return 0;
 }
@@ -1899,7 +1920,7 @@ static int snd_hdsp_get_system_sample_rate(struct snd_kcontrol *kcontrol, struct
 static int snd_hdsp_info_autosync_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        static char *texts[] = {"32000", "44100", "48000", "64000", "88200", "96000", "None", "128000", "176400", "192000"};    
+        static char *texts[] = {"32000", "44100", "48000", "64000", "88200", "96000", "None", "128000", "176400", "192000"};
         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
         uinfo->count = 1;
         uinfo->value.enumerated.items = (hdsp->io_type == H9632) ? 10 : 7 ;
@@ -1912,7 +1933,7 @@ static int snd_hdsp_info_autosync_sample_rate(struct snd_kcontrol *kcontrol, str
 static int snd_hdsp_get_autosync_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         switch (hdsp_external_sample_rate(hdsp)) {
         case 32000:
                 ucontrol->value.enumerated.item[0] = 0;
@@ -1940,9 +1961,9 @@ static int snd_hdsp_get_autosync_sample_rate(struct snd_kcontrol *kcontrol, stru
                 break;
         case 192000:
                 ucontrol->value.enumerated.item[0] = 9;
-                break;  
+                break;
         default:
-                ucontrol->value.enumerated.item[0] = 6;         
+                ucontrol->value.enumerated.item[0] = 6;
         }
         return 0;
 }
@@ -1968,7 +1989,7 @@ static int hdsp_system_clock_mode(struct hdsp *hdsp)
 static int snd_hdsp_info_system_clock_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 {
         static char *texts[] = {"Master", "Slave" };
-        
+
         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
         uinfo->count = 1;
         uinfo->value.enumerated.items = 2;
@@ -1981,7 +2002,7 @@ static int snd_hdsp_info_system_clock_mode(struct snd_kcontrol *kcontrol, struct
 static int snd_hdsp_get_system_clock_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         ucontrol->value.enumerated.item[0] = hdsp_system_clock_mode(hdsp);
         return 0;
 }
@@ -2018,7 +2039,7 @@ static int hdsp_clock_source(struct hdsp *hdsp)
                 case 192000:
                         return 9;
                 default:
-                        return 3;       
+                        return 3;
                 }
         } else {
                 return 0;
@@ -2032,7 +2053,7 @@ static int hdsp_set_clock_source(struct hdsp *hdsp, int mode)
         case HDSP_CLOCK_SOURCE_AUTOSYNC:
                 if (hdsp_external_sample_rate(hdsp) != 0) {
                     if (!hdsp_set_rate(hdsp, hdsp_external_sample_rate(hdsp), 1)) {
-                        hdsp->control_register &= ~HDSP_ClockModeMaster;                
+                        hdsp->control_register &= ~HDSP_ClockModeMaster;
                         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
                         return 0;
                     }
@@ -2043,7 +2064,7 @@ static int hdsp_set_clock_source(struct hdsp *hdsp, int mode)
                 break;
         case HDSP_CLOCK_SOURCE_INTERNAL_44_1KHZ:
                 rate = 44100;
-                break;      
+                break;
         case HDSP_CLOCK_SOURCE_INTERNAL_48KHZ:
                 rate = 48000;
                 break;
@@ -2078,13 +2099,13 @@ static int snd_hdsp_info_clock_source(struct snd_kcontrol *kcontrol, struct snd_
 {
         static char *texts[] = {"AutoSync", "Internal 32.0 kHz", "Internal 44.1 kHz", "Internal 48.0 kHz", "Internal 64.0 kHz", "Internal 88.2 kHz", "Internal 96.0 kHz", "Internal 128 kHz", "Internal 176.4 kHz", "Internal 192.0 KHz" };
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
         uinfo->count = 1;
         if (hdsp->io_type == H9632)
             uinfo->value.enumerated.items = 10;
         else
-            uinfo->value.enumerated.items = 7;  
+            uinfo->value.enumerated.items = 7;
         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
@@ -2094,7 +2115,7 @@ static int snd_hdsp_info_clock_source(struct snd_kcontrol *kcontrol, struct snd_
 static int snd_hdsp_get_clock_source(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         ucontrol->value.enumerated.item[0] = hdsp_clock_source(hdsp);
         return 0;
 }
@@ -2104,7 +2125,7 @@ static int snd_hdsp_put_clock_source(struct snd_kcontrol *kcontrol, struct snd_c
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
         int change;
         int val;
-        
+
         if (!snd_hdsp_use_is_exclusive(hdsp))
                 return -EBUSY;
         val = ucontrol->value.enumerated.item[0];
@@ -2130,7 +2151,7 @@ static int snd_hdsp_put_clock_source(struct snd_kcontrol *kcontrol, struct snd_c
 static int snd_hdsp_get_clock_source_lock(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         ucontrol->value.integer.value[0] = hdsp->clock_source_locked;
         return 0;
 }
@@ -2165,7 +2186,7 @@ static int hdsp_da_gain(struct hdsp *hdsp)
         case HDSP_DAGainMinus10dBV:
                 return 2;
         default:
-                return 1;       
+                return 1;
         }
 }
 
@@ -2180,8 +2201,8 @@ static int hdsp_set_da_gain(struct hdsp *hdsp, int mode)
                 hdsp->control_register |= HDSP_DAGainPlus4dBu;
                 break;
         case 2:
-                hdsp->control_register |= HDSP_DAGainMinus10dBV;                
-                break;      
+                hdsp->control_register |= HDSP_DAGainMinus10dBV;
+                break;
         default:
                 return -1;
 
@@ -2193,7 +2214,7 @@ static int hdsp_set_da_gain(struct hdsp *hdsp, int mode)
 static int snd_hdsp_info_da_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 {
         static char *texts[] = {"Hi Gain", "+4 dBu", "-10 dbV"};
-        
+
         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
         uinfo->count = 1;
         uinfo->value.enumerated.items = 3;
@@ -2206,7 +2227,7 @@ static int snd_hdsp_info_da_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_e
 static int snd_hdsp_get_da_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         ucontrol->value.enumerated.item[0] = hdsp_da_gain(hdsp);
         return 0;
 }
@@ -2216,7 +2237,7 @@ static int snd_hdsp_put_da_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_el
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
         int change;
         int val;
-        
+
         if (!snd_hdsp_use_is_exclusive(hdsp))
                 return -EBUSY;
         val = ucontrol->value.enumerated.item[0];
@@ -2250,7 +2271,7 @@ static int hdsp_ad_gain(struct hdsp *hdsp)
         case HDSP_ADGainLowGain:
                 return 2;
         default:
-                return 1;       
+                return 1;
         }
 }
 
@@ -2262,11 +2283,11 @@ static int hdsp_set_ad_gain(struct hdsp *hdsp, int mode)
                 hdsp->control_register |= HDSP_ADGainMinus10dBV;
                 break;
         case 1:
-                hdsp->control_register |= HDSP_ADGainPlus4dBu;          
+                hdsp->control_register |= HDSP_ADGainPlus4dBu;
                 break;
         case 2:
-                hdsp->control_register |= HDSP_ADGainLowGain;           
-                break;      
+                hdsp->control_register |= HDSP_ADGainLowGain;
+                break;
         default:
                 return -1;
 
@@ -2278,7 +2299,7 @@ static int hdsp_set_ad_gain(struct hdsp *hdsp, int mode)
 static int snd_hdsp_info_ad_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 {
         static char *texts[] = {"-10 dBV", "+4 dBu", "Lo Gain"};
-        
+
         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
         uinfo->count = 1;
         uinfo->value.enumerated.items = 3;
@@ -2291,7 +2312,7 @@ static int snd_hdsp_info_ad_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_e
 static int snd_hdsp_get_ad_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         ucontrol->value.enumerated.item[0] = hdsp_ad_gain(hdsp);
         return 0;
 }
@@ -2301,7 +2322,7 @@ static int snd_hdsp_put_ad_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_el
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
         int change;
         int val;
-        
+
         if (!snd_hdsp_use_is_exclusive(hdsp))
                 return -EBUSY;
         val = ucontrol->value.enumerated.item[0];
@@ -2335,7 +2356,7 @@ static int hdsp_phone_gain(struct hdsp *hdsp)
         case HDSP_PhoneGainMinus12dB:
                 return 2;
         default:
-                return 0;       
+                return 0;
         }
 }
 
@@ -2347,11 +2368,11 @@ static int hdsp_set_phone_gain(struct hdsp *hdsp, int mode)
                 hdsp->control_register |= HDSP_PhoneGain0dB;
                 break;
         case 1:
-                hdsp->control_register |= HDSP_PhoneGainMinus6dB;               
+                hdsp->control_register |= HDSP_PhoneGainMinus6dB;
                 break;
         case 2:
-                hdsp->control_register |= HDSP_PhoneGainMinus12dB;              
-                break;      
+                hdsp->control_register |= HDSP_PhoneGainMinus12dB;
+                break;
         default:
                 return -1;
 
@@ -2363,7 +2384,7 @@ static int hdsp_set_phone_gain(struct hdsp *hdsp, int mode)
 static int snd_hdsp_info_phone_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 {
         static char *texts[] = {"0 dB", "-6 dB", "-12 dB"};
-        
+
         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
         uinfo->count = 1;
         uinfo->value.enumerated.items = 3;
@@ -2376,7 +2397,7 @@ static int snd_hdsp_info_phone_gain(struct snd_kcontrol *kcontrol, struct snd_ct
 static int snd_hdsp_get_phone_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         ucontrol->value.enumerated.item[0] = hdsp_phone_gain(hdsp);
         return 0;
 }
@@ -2386,7 +2407,7 @@ static int snd_hdsp_put_phone_gain(struct snd_kcontrol *kcontrol, struct snd_ctl
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
         int change;
         int val;
-        
+
         if (!snd_hdsp_use_is_exclusive(hdsp))
                 return -EBUSY;
         val = ucontrol->value.enumerated.item[0];
@@ -2432,7 +2453,7 @@ static int hdsp_set_xlr_breakout_cable(struct hdsp *hdsp, int mode)
 static int snd_hdsp_get_xlr_breakout_cable(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         ucontrol->value.enumerated.item[0] = hdsp_xlr_breakout_cable(hdsp);
         return 0;
 }
@@ -2442,7 +2463,7 @@ static int snd_hdsp_put_xlr_breakout_cable(struct snd_kcontrol *kcontrol, struct
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
         int change;
         int val;
-        
+
         if (!snd_hdsp_use_is_exclusive(hdsp))
                 return -EBUSY;
         val = ucontrol->value.integer.value[0] & 1;
@@ -2488,7 +2509,7 @@ static int hdsp_set_aeb(struct hdsp *hdsp, int mode)
 static int snd_hdsp_get_aeb(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         ucontrol->value.enumerated.item[0] = hdsp_aeb(hdsp);
         return 0;
 }
@@ -2498,7 +2519,7 @@ static int snd_hdsp_put_aeb(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
         int change;
         int val;
-        
+
         if (!snd_hdsp_use_is_exclusive(hdsp))
                 return -EBUSY;
         val = ucontrol->value.integer.value[0] & 1;
@@ -2576,7 +2597,7 @@ static int snd_hdsp_info_pref_sync_ref(struct snd_kcontrol *kcontrol, struct snd
 {
         static char *texts[] = {"Word", "IEC958", "ADAT1", "ADAT Sync", "ADAT2", "ADAT3" };
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
         uinfo->count = 1;
 
@@ -2595,7 +2616,7 @@ static int snd_hdsp_info_pref_sync_ref(struct snd_kcontrol *kcontrol, struct snd
                 uinfo->value.enumerated.items = 0;
                 break;
         }
-                
+
         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
@@ -2605,7 +2626,7 @@ static int snd_hdsp_info_pref_sync_ref(struct snd_kcontrol *kcontrol, struct snd
 static int snd_hdsp_get_pref_sync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         ucontrol->value.enumerated.item[0] = hdsp_pref_sync_ref(hdsp);
         return 0;
 }
@@ -2615,7 +2636,7 @@ static int snd_hdsp_put_pref_sync_ref(struct snd_kcontrol *kcontrol, struct snd_
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
         int change, max;
         unsigned int val;
-        
+
         if (!snd_hdsp_use_is_exclusive(hdsp))
                 return -EBUSY;
 
@@ -2664,7 +2685,7 @@ static int hdsp_autosync_ref(struct hdsp *hdsp)
         case HDSP_SelSyncRef_SPDIF:
                 return HDSP_AUTOSYNC_FROM_SPDIF;
         case HDSP_SelSyncRefMask:
-                return HDSP_AUTOSYNC_FROM_NONE; 
+                return HDSP_AUTOSYNC_FROM_NONE;
         case HDSP_SelSyncRef_ADAT1:
                 return HDSP_AUTOSYNC_FROM_ADAT1;
         case HDSP_SelSyncRef_ADAT2:
@@ -2680,7 +2701,7 @@ static int hdsp_autosync_ref(struct hdsp *hdsp)
 static int snd_hdsp_info_autosync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 {
         static char *texts[] = {"Word", "ADAT Sync", "IEC958", "None", "ADAT1", "ADAT2", "ADAT3" };
-        
+
         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
         uinfo->count = 1;
         uinfo->value.enumerated.items = 7;
@@ -2693,7 +2714,7 @@ static int snd_hdsp_info_autosync_ref(struct snd_kcontrol *kcontrol, struct snd_
 static int snd_hdsp_get_autosync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         ucontrol->value.enumerated.item[0] = hdsp_autosync_ref(hdsp);
         return 0;
 }
@@ -2727,7 +2748,7 @@ static int hdsp_set_line_output(struct hdsp *hdsp, int out)
 static int snd_hdsp_get_line_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         spin_lock_irq(&hdsp->lock);
         ucontrol->value.integer.value[0] = hdsp_line_out(hdsp);
         spin_unlock_irq(&hdsp->lock);
@@ -2739,7 +2760,7 @@ static int snd_hdsp_put_line_out(struct snd_kcontrol *kcontrol, struct snd_ctl_e
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
         int change;
         unsigned int val;
-        
+
         if (!snd_hdsp_use_is_exclusive(hdsp))
                 return -EBUSY;
         val = ucontrol->value.integer.value[0] & 1;
@@ -2773,7 +2794,7 @@ static int hdsp_set_precise_pointer(struct hdsp *hdsp, int precise)
 static int snd_hdsp_get_precise_pointer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         spin_lock_irq(&hdsp->lock);
         ucontrol->value.integer.value[0] = hdsp->precise_ptr;
         spin_unlock_irq(&hdsp->lock);
@@ -2785,7 +2806,7 @@ static int snd_hdsp_put_precise_pointer(struct snd_kcontrol *kcontrol, struct sn
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
         int change;
         unsigned int val;
-        
+
         if (!snd_hdsp_use_is_exclusive(hdsp))
                 return -EBUSY;
         val = ucontrol->value.integer.value[0] & 1;
@@ -2819,7 +2840,7 @@ static int hdsp_set_use_midi_tasklet(struct hdsp *hdsp, int use_tasklet)
 static int snd_hdsp_get_use_midi_tasklet(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         spin_lock_irq(&hdsp->lock);
         ucontrol->value.integer.value[0] = hdsp->use_midi_tasklet;
         spin_unlock_irq(&hdsp->lock);
@@ -2831,7 +2852,7 @@ static int snd_hdsp_put_use_midi_tasklet(struct snd_kcontrol *kcontrol, struct s
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
         int change;
         unsigned int val;
-        
+
         if (!snd_hdsp_use_is_exclusive(hdsp))
                 return -EBUSY;
         val = ucontrol->value.integer.value[0] & 1;
@@ -2873,12 +2894,12 @@ static int snd_hdsp_get_mixer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem
 
         source = ucontrol->value.integer.value[0];
         destination = ucontrol->value.integer.value[1];
-        
+
         if (source >= hdsp->max_channels)
                 addr = hdsp_playback_to_output_key(hdsp,source-hdsp->max_channels,destination);
         else
                 addr = hdsp_input_to_output_key(hdsp,source, destination);
-        
+
         spin_lock_irq(&hdsp->lock);
         ucontrol->value.integer.value[2] = hdsp_read_gain (hdsp, addr);
         spin_unlock_irq(&hdsp->lock);
@@ -2926,7 +2947,7 @@ static int snd_hdsp_put_mixer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem
 
 static int snd_hdsp_info_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 {
-        static char *texts[] = {"No Lock", "Lock", "Sync" };    
+        static char *texts[] = {"No Lock", "Lock", "Sync" };
         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
         uinfo->count = 1;
         uinfo->value.enumerated.items = 3;
@@ -2971,7 +2992,7 @@ static int hdsp_spdif_sync_check(struct hdsp *hdsp)
         int status = hdsp_read(hdsp, HDSP_statusRegister);
         if (status & HDSP_SPDIFErrorFlag)
                 return 0;
-        else {  
+        else {
                 if (status & HDSP_SPDIFSync)
                         return 2;
                 else
@@ -3007,7 +3028,7 @@ static int hdsp_adatsync_sync_check(struct hdsp *hdsp)
                         return 1;
         } else
                 return 0;
-}       
+}
 
 static int snd_hdsp_get_adatsync_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
@@ -3025,17 +3046,17 @@ static int snd_hdsp_get_adatsync_sync_check(struct snd_kcontrol *kcontrol, struc
 }
 
 static int hdsp_adat_sync_check(struct hdsp *hdsp, int idx)
-{       
+{
         int status = hdsp_read(hdsp, HDSP_statusRegister);
-        
+
         if (status & (HDSP_Lock0>>idx)) {
                 if (status & (HDSP_Sync0>>idx))
                         return 2;
                 else
-                        return 1;               
+                        return 1;
         } else
                 return 0;
-} 
+}
 
 static int snd_hdsp_get_adat_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
@@ -3053,7 +3074,7 @@ static int snd_hdsp_get_adat_sync_check(struct snd_kcontrol *kcontrol, struct sn
                 break;
         case Multiface:
         case H9632:
-                if (offset >= 1) 
+                if (offset >= 1)
                         return -EINVAL;
                 break;
         default:
@@ -3115,7 +3136,7 @@ static int snd_hdsp_info_dds_offset(struct snd_kcontrol *kcontrol, struct snd_ct
 static int snd_hdsp_get_dds_offset(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
-        
+
         ucontrol->value.enumerated.item[0] = hdsp_dds_offset(hdsp);
         return 0;
 }
@@ -3125,7 +3146,7 @@ static int snd_hdsp_put_dds_offset(struct snd_kcontrol *kcontrol, struct snd_ctl
         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
         int change;
         int val;
-        
+
         if (!snd_hdsp_use_is_exclusive(hdsp))
                 return -EBUSY;
         val = ucontrol->value.enumerated.item[0];
@@ -3170,7 +3191,7 @@ static struct snd_kcontrol_new snd_hdsp_controls[] = {
         .get =          snd_hdsp_control_spdif_mask_get,
         .private_value = IEC958_AES0_NONAUDIO |
                          IEC958_AES0_PROFESSIONAL |
-                         IEC958_AES0_CON_EMPHASIS,                                                                                            
+                         IEC958_AES0_CON_EMPHASIS,
 },
 {
         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
@@ -3188,7 +3209,7 @@ HDSP_SPDIF_OUT("IEC958 Output also on ADAT1", 0),
 HDSP_SPDIF_PROFESSIONAL("IEC958 Professional Bit", 0),
 HDSP_SPDIF_EMPHASIS("IEC958 Emphasis Bit", 0),
 HDSP_SPDIF_NON_AUDIO("IEC958 Non-audio Bit", 0),
-/* 'Sample Clock Source' complies with the alsa control naming scheme */ 
+/* 'Sample Clock Source' complies with the alsa control naming scheme */
 HDSP_CLOCK_SOURCE("Sample Clock Source", 0),
 {
         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
@@ -3240,7 +3261,7 @@ static int snd_hdsp_create_controls(struct snd_card *card, struct hdsp *hdsp)
                                 return err;
                 }
         }
-        
+
         /* DA, AD and Phone gain and XLR breakout cable controls for H9632 cards */
         if (hdsp->io_type == H9632) {
                 for (idx = 0; idx < ARRAY_SIZE(snd_hdsp_9632_controls); idx++) {
@@ -3259,7 +3280,7 @@ static int snd_hdsp_create_controls(struct snd_card *card, struct hdsp *hdsp)
 }
 
 /*------------------------------------------------------------
-   /proc interface 
+   /proc interface
  ------------------------------------------------------------*/
 
 static void
@@ -3298,7 +3319,7 @@ snd_hdsp_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
                         }
                 }
         }
-        
+
         status = hdsp_read(hdsp, HDSP_statusRegister);
         status2 = hdsp_read(hdsp, HDSP_status2Register);
 
@@ -3362,17 +3383,17 @@ snd_hdsp_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
                 break;
                 case HDSP_CLOCK_SOURCE_INTERNAL_192KHZ:
                 clock_source = "Internal 192 kHz";
-                break;  
+                break;
         default:
-                clock_source = "Error";         
+                clock_source = "Error";
         }
         snd_iprintf (buffer, "Sample Clock Source: %s\n", clock_source);
-                        
+
         if (hdsp_system_clock_mode(hdsp))
                 system_clock_mode = "Slave";
         else
                 system_clock_mode = "Master";
-        
+
         switch (hdsp_pref_sync_ref (hdsp)) {
         case HDSP_SYNC_FROM_WORD:
                 pref_sync_ref = "Word Clock";
@@ -3397,7 +3418,7 @@ snd_hdsp_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
                 break;
         }
         snd_iprintf (buffer, "Preferred Sync Reference: %s\n", pref_sync_ref);
-        
+
         switch (hdsp_autosync_ref (hdsp)) {
         case HDSP_AUTOSYNC_FROM_WORD:
                 autosync_ref = "Word Clock";
@@ -3410,7 +3431,7 @@ snd_hdsp_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
                 break;
         case HDSP_AUTOSYNC_FROM_NONE:
                 autosync_ref = "None";
-                break;  
+                break;
         case HDSP_AUTOSYNC_FROM_ADAT1:
                 autosync_ref = "ADAT1";
                 break;
@@ -3425,14 +3446,14 @@ snd_hdsp_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
                 break;
         }
         snd_iprintf (buffer, "AutoSync Reference: %s\n", autosync_ref);
-        
+
         snd_iprintf (buffer, "AutoSync Frequency: %d\n", hdsp_external_sample_rate(hdsp));
-        
+
         snd_iprintf (buffer, "System Clock Mode: %s\n", system_clock_mode);
 
         snd_iprintf (buffer, "System Clock Frequency: %d\n", hdsp->system_sample_rate);
         snd_iprintf (buffer, "System Clock Locked: %s\n", hdsp->clock_source_locked ? "Yes" : "No");
-                
+
         snd_iprintf(buffer, "\n");
 
         switch (hdsp_spdif_in(hdsp)) {
@@ -3452,7 +3473,7 @@ snd_hdsp_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
                 snd_iprintf(buffer, "IEC958 input: ???\n");
                 break;
         }
-        
+
         if (hdsp->control_register & HDSP_SPDIFOpticalOut)
                 snd_iprintf(buffer, "IEC958 output: Coaxial & ADAT1\n");
         else
@@ -3510,13 +3531,13 @@ snd_hdsp_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
                 snd_iprintf (buffer, "SPDIF: No Lock\n");
         else
                 snd_iprintf (buffer, "SPDIF: %s\n", x ? "Sync" : "Lock");
-        
+
         x = status2 & HDSP_wc_sync;
         if (status2 & HDSP_wc_lock)
                 snd_iprintf (buffer, "Word Clock: %s\n", x ? "Sync" : "Lock");
         else
                 snd_iprintf (buffer, "Word Clock: No Lock\n");
-        
+
         x = status & HDSP_TimecodeSync;
         if (status & HDSP_TimecodeLock)
                 snd_iprintf(buffer, "ADAT Sync: %s\n", x ? "Sync" : "Lock");
@@ -3524,11 +3545,11 @@ snd_hdsp_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
                 snd_iprintf(buffer, "ADAT Sync: No Lock\n");
 
         snd_iprintf(buffer, "\n");
-        
+
         /* Informations about H9632 specific controls */
         if (hdsp->io_type == H9632) {
                 char *tmp;
-        
+
                 switch (hdsp_ad_gain(hdsp)) {
                 case 0:
                         tmp = "-10 dBV";
@@ -3554,7 +3575,7 @@ snd_hdsp_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
                         break;
                 }
                 snd_iprintf(buffer, "DA Gain : %s\n", tmp);
-                
+
                 switch (hdsp_phone_gain(hdsp)) {
                 case 0:
                         tmp = "0 dB";
@@ -3568,8 +3589,8 @@ snd_hdsp_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
                 }
                 snd_iprintf(buffer, "Phones Gain : %s\n", tmp);
 
-                snd_iprintf(buffer, "XLR Breakout Cable : %s\n", hdsp_xlr_breakout_cable(hdsp) ? "yes" : "no"); 
-                
+                snd_iprintf(buffer, "XLR Breakout Cable : %s\n", hdsp_xlr_breakout_cable(hdsp) ? "yes" : "no");
+
                 if (hdsp->control_register & HDSP_AnalogExtensionBoard)
                         snd_iprintf(buffer, "AEB : on (ADAT1 internal)\n");
                 else
@@ -3632,18 +3653,18 @@ static int snd_hdsp_set_defaults(struct hdsp *hdsp)
 
         /* set defaults:
 
-           SPDIF Input via Coax 
+           SPDIF Input via Coax
            Master clock mode
            maximum latency (7 => 2^7 = 8192 samples, 64Kbyte buffer,
                             which implies 2 4096 sample, 32Kbyte periods).
-           Enable line out.                         
+           Enable line out.
          */
 
-        hdsp->control_register = HDSP_ClockModeMaster | 
-                                 HDSP_SPDIFInputCoaxial | 
-                                 hdsp_encode_latency(7) | 
+        hdsp->control_register = HDSP_ClockModeMaster |
+                                 HDSP_SPDIFInputCoaxial |
+                                 hdsp_encode_latency(7) |
                                  HDSP_LineOut;
-        
+
 
         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
 
@@ -3661,7 +3682,7 @@ static int snd_hdsp_set_defaults(struct hdsp *hdsp)
         hdsp_compute_period_size(hdsp);
 
         /* silence everything */
-        
+
         for (i = 0; i < HDSP_MATRIX_MIXER_SIZE; ++i)
                 hdsp->mixer_matrix[i] = MINUS_INFINITY_GAIN;
 
@@ -3669,7 +3690,7 @@ static int snd_hdsp_set_defaults(struct hdsp *hdsp)
                 if (hdsp_write_gain (hdsp, i, MINUS_INFINITY_GAIN))
                         return -EIO;
         }
-        
+
         /* H9632 specific defaults */
         if (hdsp->io_type == H9632) {
                 hdsp->control_register |= (HDSP_DAGainPlus4dBu | HDSP_ADGainPlus4dBu | HDSP_PhoneGain0dB);
@@ -3687,12 +3708,12 @@ static int snd_hdsp_set_defaults(struct hdsp *hdsp)
 static void hdsp_midi_tasklet(unsigned long arg)
 {
         struct hdsp *hdsp = (struct hdsp *)arg;
-        
+
         if (hdsp->midi[0].pending)
                 snd_hdsp_midi_input_read (&hdsp->midi[0]);
         if (hdsp->midi[1].pending)
                 snd_hdsp_midi_input_read (&hdsp->midi[1]);
-} 
+}
 
 static irqreturn_t snd_hdsp_interrupt(int irq, void *dev_id)
 {
@@ -3704,7 +3725,7 @@ static irqreturn_t snd_hdsp_interrupt(int irq, void *dev_id)
         unsigned int midi0status;
         unsigned int midi1status;
         int schedule = 0;
-        
+
         status = hdsp_read(hdsp, HDSP_statusRegister);
 
         audio = status & HDSP_audioIRQPending;
@@ -3718,15 +3739,18 @@ static irqreturn_t snd_hdsp_interrupt(int irq, void *dev_id)
 
         midi0status = hdsp_read (hdsp, HDSP_midiStatusIn0) & 0xff;
         midi1status = hdsp_read (hdsp, HDSP_midiStatusIn1) & 0xff;
-        
+
+        if (!(hdsp->state & HDSP_InitializationComplete))
+                return IRQ_HANDLED;
+
         if (audio) {
                 if (hdsp->capture_substream)
                         snd_pcm_period_elapsed(hdsp->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
-                
+
                 if (hdsp->playback_substream)
                         snd_pcm_period_elapsed(hdsp->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream);
         }
-        
+
         if (midi0 && midi0status) {
                 if (hdsp->use_midi_tasklet) {
                         /* we disable interrupts for this input until processing is done */
@@ -3769,10 +3793,10 @@ static char *hdsp_channel_buffer_location(struct hdsp *hdsp,
 
         if (snd_BUG_ON(channel < 0 || channel >= hdsp->max_channels))
                 return NULL;
-        
+
         if ((mapped_channel = hdsp->channel_map[channel]) < 0)
                 return NULL;
-        
+
         if (stream == SNDRV_PCM_STREAM_CAPTURE)
                 return hdsp->capture_buffer + (mapped_channel * HDSP_CHANNEL_BUFFER_BYTES);
         else
@@ -3965,7 +3989,7 @@ static int snd_hdsp_trigger(struct snd_pcm_substream *substream, int cmd)
         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
         struct snd_pcm_substream *other;
         int running;
-        
+
         if (hdsp_check_for_iobox (hdsp))
                 return -EIO;
 
@@ -4059,10 +4083,10 @@ static struct snd_pcm_hardware snd_hdsp_playback_subinfo =
         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
 #endif
         .rates =                (SNDRV_PCM_RATE_32000 |
-                                 SNDRV_PCM_RATE_44100 | 
-                                 SNDRV_PCM_RATE_48000 | 
-                                 SNDRV_PCM_RATE_64000 | 
-                                 SNDRV_PCM_RATE_88200 | 
+                                 SNDRV_PCM_RATE_44100 |
+                                 SNDRV_PCM_RATE_48000 |
+                                 SNDRV_PCM_RATE_64000 |
+                                 SNDRV_PCM_RATE_88200 |
                                  SNDRV_PCM_RATE_96000),
         .rate_min =             32000,
         .rate_max =             96000,
@@ -4088,10 +4112,10 @@ static struct snd_pcm_hardware snd_hdsp_capture_subinfo =
         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
 #endif
         .rates =                (SNDRV_PCM_RATE_32000 |
-                                 SNDRV_PCM_RATE_44100 | 
-                                 SNDRV_PCM_RATE_48000 | 
-                                 SNDRV_PCM_RATE_64000 | 
-                                 SNDRV_PCM_RATE_88200 | 
+                                 SNDRV_PCM_RATE_44100 |
+                                 SNDRV_PCM_RATE_48000 |
+                                 SNDRV_PCM_RATE_64000 |
+                                 SNDRV_PCM_RATE_88200 |
                                  SNDRV_PCM_RATE_96000),
         .rate_min =             32000,
         .rate_max =             96000,
@@ -4170,7 +4194,7 @@ static int snd_hdsp_hw_rule_in_channels_rate(struct snd_pcm_hw_params *params,
                         .max = hdsp->qs_in_channels,
                         .integer = 1,
                 };
-                return snd_interval_refine(c, &t);      
+                return snd_interval_refine(c, &t);
         } else if (r->min > 48000 && r->max <= 96000) {
                 struct snd_interval t = {
                         .min = hdsp->ds_in_channels,
@@ -4201,7 +4225,7 @@ static int snd_hdsp_hw_rule_out_channels_rate(struct snd_pcm_hw_params *params,
                         .max = hdsp->qs_out_channels,
                         .integer = 1,
                 };
-                return snd_interval_refine(c, &t);      
+                return snd_interval_refine(c, &t);
         } else if (r->min > 48000 && r->max <= 96000) {
                 struct snd_interval t = {
                         .min = hdsp->ds_out_channels,
@@ -4318,8 +4342,8 @@ static int snd_hdsp_playback_open(struct snd_pcm_substream *substream)
         if (hdsp->io_type == H9632) {
                 runtime->hw.channels_min = hdsp->qs_out_channels;
                 runtime->hw.channels_max = hdsp->ss_out_channels;
-        }       
-        
+        }
+
         snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
                              snd_hdsp_hw_rule_out_channels, hdsp,
                              SNDRV_PCM_HW_PARAM_CHANNELS, -1);
@@ -4529,7 +4553,7 @@ static int hdsp_get_peak(struct hdsp *hdsp, struct hdsp_peak_rms __user *peak_rm
                                 hdsp->iobase + HDSP_playbackRmsLevel + i * 8 + 4,
                                 hdsp->iobase + HDSP_playbackRmsLevel + i * 8))
                         return -EFAULT;
-                if (copy_u64_le(&peak_rms->input_rms[i], 
+                if (copy_u64_le(&peak_rms->input_rms[i],
                                 hdsp->iobase + HDSP_inputRmsLevel + i * 8 + 4,
                                 hdsp->iobase + HDSP_inputRmsLevel + i * 8))
                         return -EFAULT;
@@ -4539,7 +4563,7 @@ static int hdsp_get_peak(struct hdsp *hdsp, struct hdsp_peak_rms __user *peak_rm
 
 static int snd_hdsp_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, unsigned int cmd, unsigned long arg)
 {
-        struct hdsp *hdsp = (struct hdsp *)hw->private_data;    
+        struct hdsp *hdsp = (struct hdsp *)hw->private_data;
         void __user *argp = (void __user *)arg;
         int err;
 
@@ -4573,7 +4597,7 @@ static int snd_hdsp_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, unsigne
                 struct hdsp_config_info info;
                 unsigned long flags;
                 int i;
-                
+
                 err = hdsp_check_for_iobox(hdsp);
                 if (err < 0)
                         return err;
@@ -4607,7 +4631,7 @@ static int snd_hdsp_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, unsigne
                         info.ad_gain = (unsigned char)hdsp_ad_gain(hdsp);
                         info.phone_gain = (unsigned char)hdsp_phone_gain(hdsp);
                         info.xlr_breakout_cable = (unsigned char)hdsp_xlr_breakout_cable(hdsp);
-                
+
                 }
                 if (hdsp->io_type == H9632 || hdsp->io_type == H9652)
                         info.analog_extension_board = (unsigned char)hdsp_aeb(hdsp);
@@ -4618,7 +4642,7 @@ static int snd_hdsp_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, unsigne
         }
         case SNDRV_HDSP_IOCTL_GET_9632_AEB: {
                 struct hdsp_9632_aeb h9632_aeb;
-                
+
                 if (hdsp->io_type != H9632) return -EINVAL;
                 h9632_aeb.aebi = hdsp->ss_in_channels - H9632_SS_CHANNELS;
                 h9632_aeb.aebo = hdsp->ss_out_channels - H9632_SS_CHANNELS;
@@ -4629,7 +4653,7 @@ static int snd_hdsp_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, unsigne
         case SNDRV_HDSP_IOCTL_GET_VERSION: {
                 struct hdsp_version hdsp_version;
                 int err;
-                
+
                 if (hdsp->io_type == H9652 || hdsp->io_type == H9632) return -EINVAL;
                 if (hdsp->io_type == Undefined) {
                         if ((err = hdsp_get_iobox_version(hdsp)) < 0)
@@ -4645,7 +4669,7 @@ static int snd_hdsp_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, unsigne
                 struct hdsp_firmware __user *firmware;
                 u32 __user *firmware_data;
                 int err;
-                
+
                 if (hdsp->io_type == H9652 || hdsp->io_type == H9632) return -EINVAL;
                 /* SNDRV_HDSP_IOCTL_GET_VERSION must have been called */
                 if (hdsp->io_type == Undefined) return -EINVAL;
@@ -4658,25 +4682,25 @@ static int snd_hdsp_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, unsigne
 
                 if (get_user(firmware_data, &firmware->firmware_data))
                         return -EFAULT;
-                
+
                 if (hdsp_check_for_iobox (hdsp))
                         return -EIO;
 
                 if (copy_from_user(hdsp->firmware_cache, firmware_data, sizeof(hdsp->firmware_cache)) != 0)
                         return -EFAULT;
-                
+
                 hdsp->state |= HDSP_FirmwareCached;
 
                 if ((err = snd_hdsp_load_firmware_from_cache(hdsp)) < 0)
                         return err;
-                
+
                 if (!(hdsp->state & HDSP_InitializationComplete)) {
                         if ((err = snd_hdsp_enable_io(hdsp)) < 0)
                                 return err;
-                        
-                        snd_hdsp_initialize_channels(hdsp);             
+
+                        snd_hdsp_initialize_channels(hdsp);
                         snd_hdsp_initialize_midi_flush(hdsp);
-            
+
                         if ((err = snd_hdsp_create_alsa_devices(hdsp->card, hdsp)) < 0) {
                                 snd_printk(KERN_ERR "Hammerfall-DSP: error creating alsa devices\n");
                                 return err;
@@ -4723,16 +4747,16 @@ static int snd_hdsp_create_hwdep(struct snd_card *card, struct hdsp *hdsp)
 {
         struct snd_hwdep *hw;
         int err;
-        
+
         if ((err = snd_hwdep_new(card, "HDSP hwdep", 0, &hw)) < 0)
                 return err;
-                
+
         hdsp->hwdep = hw;
         hw->private_data = hdsp;
         strcpy(hw->name, "HDSP hwdep interface");
 
         hw->ops.ioctl = snd_hdsp_hwdep_ioctl;
-                
+
         return 0;
 }
 
@@ -4765,24 +4789,24 @@ static void snd_hdsp_9652_enable_mixer (struct hdsp *hdsp)
 static int snd_hdsp_enable_io (struct hdsp *hdsp)
 {
         int i;
-        
+
         if (hdsp_fifo_wait (hdsp, 0, 100)) {
                 snd_printk(KERN_ERR "Hammerfall-DSP: enable_io fifo_wait failed\n");
                 return -EIO;
         }
-        
+
         for (i = 0; i < hdsp->max_channels; ++i) {
                 hdsp_write (hdsp, HDSP_inputEnable + (4 * i), 1);
                 hdsp_write (hdsp, HDSP_outputEnable + (4 * i), 1);
         }
-        
+
         return 0;
 }
 
 static void snd_hdsp_initialize_channels(struct hdsp *hdsp)
 {
         int status, aebi_channels, aebo_channels;
-        
+
         switch (hdsp->io_type) {
         case Digiface:
                 hdsp->card_name = "RME Hammerfall DSP + Digiface";
@@ -4795,7 +4819,7 @@ static void snd_hdsp_initialize_channels(struct hdsp *hdsp)
                 hdsp->ss_in_channels = hdsp->ss_out_channels = H9652_SS_CHANNELS;
                 hdsp->ds_in_channels = hdsp->ds_out_channels = H9652_DS_CHANNELS;
                 break;
-        
+
         case H9632:
                 status = hdsp_read(hdsp, HDSP_statusRegister);
                 /* HDSP_AEBx bits are low when AEB are connected */
@@ -4815,7 +4839,7 @@ static void snd_hdsp_initialize_channels(struct hdsp *hdsp)
                 hdsp->ss_in_channels = hdsp->ss_out_channels = MULTIFACE_SS_CHANNELS;
                 hdsp->ds_in_channels = hdsp->ds_out_channels = MULTIFACE_DS_CHANNELS;
                 break;
-                
+
         default:
                 /* should never get here */
                 break;
@@ -4831,12 +4855,12 @@ static void snd_hdsp_initialize_midi_flush (struct hdsp *hdsp)
 static int snd_hdsp_create_alsa_devices(struct snd_card *card, struct hdsp *hdsp)
 {
         int err;
-        
+
         if ((err = snd_hdsp_create_pcm(card, hdsp)) < 0) {
                 snd_printk(KERN_ERR "Hammerfall-DSP: Error creating pcm interface\n");
                 return err;
         }
-        
+
 
         if ((err = snd_hdsp_create_midi(card, hdsp, 0)) < 0) {
                 snd_printk(KERN_ERR "Hammerfall-DSP: Error creating first midi interface\n");
@@ -4867,19 +4891,19 @@ static int snd_hdsp_create_alsa_devices(struct snd_card *card, struct hdsp *hdsp
                 snd_printk(KERN_ERR "Hammerfall-DSP: Error setting default values\n");
                 return err;
         }
-        
+
         if (!(hdsp->state & HDSP_InitializationComplete)) {
                 strcpy(card->shortname, "Hammerfall DSP");
-                sprintf(card->longname, "%s at 0x%lx, irq %d", hdsp->card_name, 
+                sprintf(card->longname, "%s at 0x%lx, irq %d", hdsp->card_name,
                         hdsp->port, hdsp->irq);
-            
+
                 if ((err = snd_card_register(card)) < 0) {
                         snd_printk(KERN_ERR "Hammerfall-DSP: error registering card\n");
                         return err;
                 }
                 hdsp->state |= HDSP_InitializationComplete;
         }
-        
+
         return 0;
 }
 
@@ -4890,7 +4914,7 @@ static int hdsp_request_fw_loader(struct hdsp *hdsp)
         const char *fwfile;
         const struct firmware *fw;
         int err;
-                
+
         if (hdsp->io_type == H9652 || hdsp->io_type == H9632)
                 return 0;
         if (hdsp->io_type == Undefined) {
@@ -4899,7 +4923,7 @@ static int hdsp_request_fw_loader(struct hdsp *hdsp)
                 if (hdsp->io_type == H9652 || hdsp->io_type == H9632)
                         return 0;
         }
-        
+
         /* caution: max length of firmware filename is 30! */
         switch (hdsp->io_type) {
         case Multiface:
@@ -4933,12 +4957,12 @@ static int hdsp_request_fw_loader(struct hdsp *hdsp)
         memcpy(hdsp->firmware_cache, fw->data, sizeof(hdsp->firmware_cache));
 
         release_firmware(fw);
-                
+
         hdsp->state |= HDSP_FirmwareCached;
 
         if ((err = snd_hdsp_load_firmware_from_cache(hdsp)) < 0)
                 return err;
-                
+
         if (!(hdsp->state & HDSP_InitializationComplete)) {
                 if ((err = snd_hdsp_enable_io(hdsp)) < 0)
                         return err;
@@ -4985,14 +5009,14 @@ static int __devinit snd_hdsp_create(struct snd_card *card,
         hdsp->max_channels = 26;
 
         hdsp->card = card;
-        
+
         spin_lock_init(&hdsp->lock);
 
         tasklet_init(&hdsp->midi_tasklet, hdsp_midi_tasklet, (unsigned long)hdsp);
-        
+
         pci_read_config_word(hdsp->pci, PCI_CLASS_REVISION, &hdsp->firmware_rev);
         hdsp->firmware_rev &= 0xff;
-        
+
         /* From Martin Bjoernsen :
             "It is important that the card's latency timer register in
             the PCI configuration space is set to a value much larger
@@ -5001,7 +5025,7 @@ static int __devinit snd_hdsp_create(struct snd_card *card,
             to its maximum 255 to avoid problems with some computers."
         */
         pci_write_config_byte(hdsp->pci, PCI_LATENCY_TIMER, 0xFF);
-        
+
         strcpy(card->driver, "H-DSP");
         strcpy(card->mixername, "Xilinx FPGA");
 
@@ -5015,7 +5039,7 @@ static int __devinit snd_hdsp_create(struct snd_card *card,
         } else {
                 hdsp->card_name = "RME HDSP 9632";
                 hdsp->max_channels = 16;
-                is_9632 = 1;    
+                is_9632 = 1;
         }
 
         if ((err = pci_enable_device(pci)) < 0)
@@ -5044,12 +5068,12 @@ static int __devinit snd_hdsp_create(struct snd_card *card,
 
         if ((err = snd_hdsp_initialize_memory(hdsp)) < 0)
                 return err;
-        
+
         if (!is_9652 && !is_9632) {
-                /* we wait 2 seconds to let freshly inserted cardbus cards do their hardware init */
-                ssleep(2);
+                /* we wait a maximum of 10 seconds to let freshly
+                 * inserted cardbus cards do their hardware init */
+                err = hdsp_wait_for_iobox(hdsp, 1000, 10);
 
-                err = hdsp_check_for_iobox(hdsp);
                 if (err < 0)
                         return err;
 
@@ -5071,35 +5095,35 @@ static int __devinit snd_hdsp_create(struct snd_card *card,
                                 return err;
                         return 0;
                 } else {
-                        snd_printk(KERN_INFO "Hammerfall-DSP: Firmware already present, initializing card.\n");     
+                        snd_printk(KERN_INFO "Hammerfall-DSP: Firmware already present, initializing card.\n");
                         if (hdsp_read(hdsp, HDSP_status2Register) & HDSP_version1)
                                 hdsp->io_type = Multiface;
-                        else 
+                        else
                                 hdsp->io_type = Digiface;
                 }
         }
-        
+
         if ((err = snd_hdsp_enable_io(hdsp)) != 0)
                 return err;
-        
+
         if (is_9652)
                 hdsp->io_type = H9652;
-        
+
         if (is_9632)
                 hdsp->io_type = H9632;
 
         if ((err = snd_hdsp_create_hwdep(card, hdsp)) < 0)
                 return err;
-        
+
         snd_hdsp_initialize_channels(hdsp);
         snd_hdsp_initialize_midi_flush(hdsp);
 
-        hdsp->state |= HDSP_FirmwareLoaded;     
+        hdsp->state |= HDSP_FirmwareLoaded;
 
         if ((err = snd_hdsp_create_alsa_devices(card, hdsp)) < 0)
                 return err;
 
-        return 0;       
+        return 0;
 }
 
 static int snd_hdsp_free(struct hdsp *hdsp)
@@ -5115,13 +5139,13 @@ static int snd_hdsp_free(struct hdsp *hdsp)
                 free_irq(hdsp->irq, (void *)hdsp);
 
         snd_hdsp_free_buffers(hdsp);
-        
+
         if (hdsp->iobase)
                 iounmap(hdsp->iobase);
 
         if (hdsp->port)
                 pci_release_regions(hdsp->pci);
-                
+
         pci_disable_device(hdsp->pci);
         return 0;
 }
@@ -5166,7 +5190,7 @@ static int __devinit snd_hdsp_probe(struct pci_dev *pci,
         }
 
         strcpy(card->shortname, "Hammerfall DSP");
-        sprintf(card->longname, "%s at 0x%lx, irq %d", hdsp->card_name, 
+        sprintf(card->longname, "%s at 0x%lx, irq %d", hdsp->card_name,
                 hdsp->port, hdsp->irq);
 
         if ((err = snd_card_register(card)) < 0) {