12 files changed, 179 insertions, 31 deletions

diff --git a/include/sound/ac97_codec.h b/include/sound/ac97_codec.h
index 758f8bf133c7..4c43521cc493 100644
--- a/include/sound/ac97_codec.h
+++ b/include/sound/ac97_codec.h
@@ -27,6 +27,7 @@
 
 #include <linux/bitops.h>
 #include <linux/device.h>
+#include <linux/workqueue.h>
 #include "pcm.h"
 #include "control.h"
 #include "info.h"
@@ -140,6 +141,20 @@
 #define AC97_GP_DRSS_1011       0x0000  /* LR(C) 10+11(+12) */
 #define AC97_GP_DRSS_78         0x0400  /* LR 7+8 */
 
+/* powerdown bits */
+#define AC97_PD_ADC_STATUS      0x0001  /* ADC status (RO) */
+#define AC97_PD_DAC_STATUS      0x0002  /* DAC status (RO) */
+#define AC97_PD_MIXER_STATUS    0x0004  /* Analog mixer status (RO) */
+#define AC97_PD_VREF_STATUS     0x0008  /* Vref status (RO) */
+#define AC97_PD_PR0             0x0100  /* Power down PCM ADCs and input MUX */
+#define AC97_PD_PR1             0x0200  /* Power down PCM front DAC */
+#define AC97_PD_PR2             0x0400  /* Power down Mixer (Vref still on) */
+#define AC97_PD_PR3             0x0800  /* Power down Mixer (Vref off) */
+#define AC97_PD_PR4             0x1000  /* Power down AC-Link */
+#define AC97_PD_PR5             0x2000  /* Disable internal clock usage */
+#define AC97_PD_PR6             0x4000  /* Headphone amplifier */
+#define AC97_PD_EAPD            0x8000  /* External Amplifer Power Down (EAPD) */
+
 /* extended audio ID bit defines */
 #define AC97_EI_VRA             0x0001  /* Variable bit rate supported */
 #define AC97_EI_DRA             0x0002  /* Double rate supported */
@@ -359,6 +374,7 @@
 #define AC97_SCAP_INV_EAPD      (1<<7)  /* inverted EAPD */
 #define AC97_SCAP_DETECT_BY_VENDOR (1<<8) /* use vendor registers for read tests */
 #define AC97_SCAP_NO_SPDIF      (1<<9)  /* don't build SPDIF controls */
+#define AC97_SCAP_EAPD_LED      (1<<10) /* EAPD as mute LED */
 
 /* ac97->flags */
 #define AC97_HAS_PC_BEEP        (1<<0)  /* force PC Speaker usage */
@@ -491,6 +507,12 @@ struct snd_ac97 {
         /* jack-sharing info */
         unsigned char indep_surround;
         unsigned char channel_mode;
+
+#ifdef CONFIG_SND_AC97_POWER_SAVE
+        unsigned int power_up;  /* power states */
+        struct workqueue_struct *power_workq;
+        struct work_struct power_work;
+#endif
         struct device dev;
 };
 
@@ -532,6 +554,15 @@ unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg);
 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value);
 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value);
 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value);
+#ifdef CONFIG_SND_AC97_POWER_SAVE
+int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup);
+#else
+static inline int snd_ac97_update_power(struct snd_ac97 *ac97, int reg,
+                                        int powerup)
+{
+        return 0;
+}
+#endif
 #ifdef CONFIG_PM
 void snd_ac97_suspend(struct snd_ac97 *ac97);
 void snd_ac97_resume(struct snd_ac97 *ac97);
@@ -583,6 +614,7 @@ struct ac97_pcm {
                      copy_flag: 1,         /* lowlevel driver must fill all entries */
                      spdif: 1;             /* spdif pcm */
         unsigned short aslots;             /* active slots */
+        unsigned short cur_dbl;            /* current double-rate state */
         unsigned int rates;                /* available rates */
         struct {
                 unsigned short slots;      /* driver input: requested AC97 slot numbers */
diff --git a/include/sound/ad1848.h b/include/sound/ad1848.h
index 57af1fe7b309..c8de6f83338f 100644
--- a/include/sound/ad1848.h
+++ b/include/sound/ad1848.h
@@ -179,14 +179,13 @@ enum { AD1848_MIX_SINGLE, AD1848_MIX_DOUBLE, AD1848_MIX_CAPTURE };
 #define AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert) \
         ((left_reg) | ((right_reg) << 8) | ((shift_left) << 16) | ((shift_right) << 19) | ((mask) << 24) | ((invert) << 22))
 
-int snd_ad1848_add_ctl(struct snd_ad1848 *chip, const char *name, int index, int type, unsigned long value);
-
 /* for ease of use */
 struct ad1848_mix_elem {
         const char *name;
         int index;
         int type;
         unsigned long private_value;
+        unsigned int *tlv;
 };
 
 #define AD1848_SINGLE(xname, xindex, reg, shift, mask, invert) \
@@ -195,15 +194,26 @@ struct ad1848_mix_elem {
   .type = AD1848_MIX_SINGLE, \
   .private_value = AD1848_MIXVAL_SINGLE(reg, shift, mask, invert) }
 
+#define AD1848_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \
+{ .name = xname, \
+  .index = xindex, \
+  .type = AD1848_MIX_SINGLE, \
+  .private_value = AD1848_MIXVAL_SINGLE(reg, shift, mask, invert), \
+  .tlv = xtlv }
+
 #define AD1848_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
 { .name = xname, \
   .index = xindex, \
   .type = AD1848_MIX_DOUBLE, \
   .private_value = AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert) }
 
-static inline int snd_ad1848_add_ctl_elem(struct snd_ad1848 *chip, const struct ad1848_mix_elem *c)
-{
-        return snd_ad1848_add_ctl(chip, c->name, c->index, c->type, c->private_value);
-}
+#define AD1848_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert, xtlv) \
+{ .name = xname, \
+  .index = xindex, \
+  .type = AD1848_MIX_DOUBLE, \
+  .private_value = AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert), \
+  .tlv = xtlv }
+
+int snd_ad1848_add_ctl_elem(struct snd_ad1848 *chip, const struct ad1848_mix_elem *c);
 
 #endif /* __SOUND_AD1848_H */
diff --git a/include/sound/ak4xxx-adda.h b/include/sound/ak4xxx-adda.h
index 3d9888492026..d0deca669b92 100644
--- a/include/sound/ak4xxx-adda.h
+++ b/include/sound/ak4xxx-adda.h
@@ -39,26 +39,39 @@ struct snd_ak4xxx_ops {
 
 #define AK4XXX_IMAGE_SIZE       (AK4XXX_MAX_CHIPS * 16) /* 64 bytes */
 
+/* DAC label and channels */
+struct snd_akm4xxx_dac_channel {
+        char *name;             /* mixer volume name */
+        unsigned int num_channels;
+};
+
+/* ADC labels and channels */
+struct snd_akm4xxx_adc_channel {
+        char *name;             /* capture gain volume label */
+        char *switch_name;      /* capture switch */
+        unsigned int num_channels;
+};
+
 struct snd_akm4xxx {
         struct snd_card *card;
         unsigned int num_adcs;                  /* AK4524 or AK4528 ADCs */
         unsigned int num_dacs;                  /* AK4524 or AK4528 DACs */
         unsigned char images[AK4XXX_IMAGE_SIZE]; /* saved register image */
-        unsigned char ipga_gain[AK4XXX_MAX_CHIPS][2]; /* saved register image
-                                                       * for IPGA (AK4528)
-                                                       */
+        unsigned char volumes[AK4XXX_IMAGE_SIZE]; /* saved volume values */
         unsigned long private_value[AK4XXX_MAX_CHIPS];  /* helper for driver */
         void *private_data[AK4XXX_MAX_CHIPS];           /* helper for driver */
         /* template should fill the following fields */
         unsigned int idx_offset;                /* control index offset */
         enum {
                 SND_AK4524, SND_AK4528, SND_AK4529,
-                SND_AK4355, SND_AK4358, SND_AK4381
+                SND_AK4355, SND_AK4358, SND_AK4381,
+                SND_AK5365
         } type;
-        unsigned int *num_stereo;       /* array of combined counts
-                                         * for the mixer
-                                         */
-        char **channel_names;           /* array of mixer channel names */
+
+        /* (array) information of combined codecs */
+        struct snd_akm4xxx_dac_channel *dac_info;
+        struct snd_akm4xxx_adc_channel *adc_info;
+
         struct snd_ak4xxx_ops ops;
 };
 
@@ -72,9 +85,9 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak);
         (ak)->images[(chip) * 16 + (reg)]
 #define snd_akm4xxx_set(ak,chip,reg,val) \
         ((ak)->images[(chip) * 16 + (reg)] = (val))
-#define snd_akm4xxx_get_ipga(ak,chip,reg) \
-        (ak)->ipga_gain[chip][(reg)-4]
-#define snd_akm4xxx_set_ipga(ak,chip,reg,val) \
-        ((ak)->ipga_gain[chip][(reg)-4] = (val))
+#define snd_akm4xxx_get_vol(ak,chip,reg) \
+        (ak)->volumes[(chip) * 16 + (reg)]
+#define snd_akm4xxx_set_vol(ak,chip,reg,val) \
+        ((ak)->volumes[(chip) * 16 + (reg)] = (val))
 
 #endif /* __SOUND_AK4XXX_ADDA_H */
diff --git a/include/sound/asound.h b/include/sound/asound.h
index 41885f48ad91..c1621c650a9a 100644
--- a/include/sound/asound.h
+++ b/include/sound/asound.h
@@ -688,7 +688,7 @@ struct snd_timer_tread {
  *                                                                          *
  ****************************************************************************/
 
-#define SNDRV_CTL_VERSION               SNDRV_PROTOCOL_VERSION(2, 0, 3)
+#define SNDRV_CTL_VERSION               SNDRV_PROTOCOL_VERSION(2, 0, 4)
 
 struct snd_ctl_card_info {
         int card;                       /* card number */
@@ -727,10 +727,15 @@ typedef int __bitwise snd_ctl_elem_iface_t;
 #define SNDRV_CTL_ELEM_ACCESS_WRITE             (1<<1)
 #define SNDRV_CTL_ELEM_ACCESS_READWRITE         (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE)
 #define SNDRV_CTL_ELEM_ACCESS_VOLATILE          (1<<2)  /* control value may be changed without a notification */
-#define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP         (1<<2)  /* when was control changed */
+#define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP         (1<<3)  /* when was control changed */
+#define SNDRV_CTL_ELEM_ACCESS_TLV_READ          (1<<4)  /* TLV read is possible */
+#define SNDRV_CTL_ELEM_ACCESS_TLV_WRITE         (1<<5)  /* TLV write is possible */
+#define SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE     (SNDRV_CTL_ELEM_ACCESS_TLV_READ|SNDRV_CTL_ELEM_ACCESS_TLV_WRITE)
+#define SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND       (1<<6)  /* TLV command is possible */
 #define SNDRV_CTL_ELEM_ACCESS_INACTIVE          (1<<8)  /* control does actually nothing, but may be updated */
 #define SNDRV_CTL_ELEM_ACCESS_LOCK              (1<<9)  /* write lock */
 #define SNDRV_CTL_ELEM_ACCESS_OWNER             (1<<10) /* write lock owner */
+#define SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK      (1<<28) /* kernel use a TLV callback */ 
 #define SNDRV_CTL_ELEM_ACCESS_USER              (1<<29) /* user space element */
 #define SNDRV_CTL_ELEM_ACCESS_DINDIRECT         (1<<30) /* indirect access for matrix dimensions in the info structure */
 #define SNDRV_CTL_ELEM_ACCESS_INDIRECT          (1<<31) /* indirect access for element value in the value structure */
@@ -818,6 +823,12 @@ struct snd_ctl_elem_value {
         unsigned char reserved[128-sizeof(struct timespec)];
 };
 
+struct snd_ctl_tlv {
+        unsigned int numid;     /* control element numeric identification */
+        unsigned int length;    /* in bytes aligned to 4 */
+        unsigned int tlv[0];    /* first TLV */
+};
+
 enum {
         SNDRV_CTL_IOCTL_PVERSION = _IOR('U', 0x00, int),
         SNDRV_CTL_IOCTL_CARD_INFO = _IOR('U', 0x01, struct snd_ctl_card_info),
@@ -831,6 +842,9 @@ enum {
         SNDRV_CTL_IOCTL_ELEM_ADD = _IOWR('U', 0x17, struct snd_ctl_elem_info),
         SNDRV_CTL_IOCTL_ELEM_REPLACE = _IOWR('U', 0x18, struct snd_ctl_elem_info),
         SNDRV_CTL_IOCTL_ELEM_REMOVE = _IOWR('U', 0x19, struct snd_ctl_elem_id),
+        SNDRV_CTL_IOCTL_TLV_READ = _IOWR('U', 0x1a, struct snd_ctl_tlv),
+        SNDRV_CTL_IOCTL_TLV_WRITE = _IOWR('U', 0x1b, struct snd_ctl_tlv),
+        SNDRV_CTL_IOCTL_TLV_COMMAND = _IOWR('U', 0x1c, struct snd_ctl_tlv),
         SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE = _IOWR('U', 0x20, int),
         SNDRV_CTL_IOCTL_HWDEP_INFO = _IOR('U', 0x21, struct snd_hwdep_info),
         SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE = _IOR('U', 0x30, int),
@@ -855,6 +869,7 @@ enum sndrv_ctl_event_type {
 #define SNDRV_CTL_EVENT_MASK_VALUE      (1<<0)  /* element value was changed */
 #define SNDRV_CTL_EVENT_MASK_INFO       (1<<1)  /* element info was changed */
 #define SNDRV_CTL_EVENT_MASK_ADD        (1<<2)  /* element was added */
+#define SNDRV_CTL_EVENT_MASK_TLV        (1<<3)  /* element TLV tree was changed */
 #define SNDRV_CTL_EVENT_MASK_REMOVE     (~0U)   /* element was removed */
 
 struct snd_ctl_event {
diff --git a/include/sound/control.h b/include/sound/control.h
index 2489b1eb0110..1de148b0fd94 100644
--- a/include/sound/control.h
+++ b/include/sound/control.h
@@ -30,6 +30,11 @@ struct snd_kcontrol;
 typedef int (snd_kcontrol_info_t) (struct snd_kcontrol * kcontrol, struct snd_ctl_elem_info * uinfo);
 typedef int (snd_kcontrol_get_t) (struct snd_kcontrol * kcontrol, struct snd_ctl_elem_value * ucontrol);
 typedef int (snd_kcontrol_put_t) (struct snd_kcontrol * kcontrol, struct snd_ctl_elem_value * ucontrol);
+typedef int (snd_kcontrol_tlv_rw_t)(struct snd_kcontrol *kcontrol,
+                                    int op_flag, /* 0=read,1=write,-1=command */
+                                    unsigned int size,
+                                    unsigned int __user *tlv);
+
 
 struct snd_kcontrol_new {
         snd_ctl_elem_iface_t iface;     /* interface identifier */
@@ -42,6 +47,10 @@ struct snd_kcontrol_new {
         snd_kcontrol_info_t *info;
         snd_kcontrol_get_t *get;
         snd_kcontrol_put_t *put;
+        union {
+                snd_kcontrol_tlv_rw_t *c;
+                unsigned int *p;
+        } tlv;
         unsigned long private_value;
 };
 
@@ -58,6 +67,10 @@ struct snd_kcontrol {
         snd_kcontrol_info_t *info;
         snd_kcontrol_get_t *get;
         snd_kcontrol_put_t *put;
+        union {
+                snd_kcontrol_tlv_rw_t *c;
+                unsigned int *p;
+        } tlv;
         unsigned long private_value;
         void *private_data;
         void (*private_free)(struct snd_kcontrol *kcontrol);
diff --git a/include/sound/core.h b/include/sound/core.h
index bab3ff457e40..b056ea925ecf 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -25,8 +25,8 @@
 #include <linux/sched.h>                /* wake_up() */
 #include <linux/mutex.h>                /* struct mutex */
 #include <linux/rwsem.h>                /* struct rw_semaphore */
-#include <linux/workqueue.h>            /* struct workqueue_struct */
 #include <linux/pm.h>                   /* pm_message_t */
+#include <linux/device.h>
 
 /* forward declarations */
 #ifdef CONFIG_PCI
@@ -71,7 +71,6 @@ struct snd_device_ops {
         int (*dev_free)(struct snd_device *dev);
         int (*dev_register)(struct snd_device *dev);
         int (*dev_disconnect)(struct snd_device *dev);
-        int (*dev_unregister)(struct snd_device *dev);
 };
 
 struct snd_device {
@@ -131,8 +130,8 @@ struct snd_card {
                                                                 state */
         spinlock_t files_lock;          /* lock the files for this card */
         int shutdown;                   /* this card is going down */
+        int free_on_last_close;         /* free in context of file_release */
         wait_queue_head_t shutdown_sleep;
-        struct work_struct free_workq;  /* for free in workqueue */
         struct device *dev;
 
 #ifdef CONFIG_PM
@@ -188,6 +187,7 @@ struct snd_minor {
         int device;                     /* device number */
         const struct file_operations *f_ops;    /* file operations */
         void *private_data;             /* private data for f_ops->open */
+        struct class_device *class_dev; /* class device for sysfs */
 };
 
 /* sound.c */
@@ -202,6 +202,8 @@ int snd_register_device(int type, struct snd_card *card, int dev,
                         const char *name);
 int snd_unregister_device(int type, struct snd_card *card, int dev);
 void *snd_lookup_minor_data(unsigned int minor, int type);
+int snd_add_device_sysfs_file(int type, struct snd_card *card, int dev,
+                              const struct class_device_attribute *attr);
 
 #ifdef CONFIG_SND_OSSEMUL
 int snd_register_oss_device(int type, struct snd_card *card, int dev,
@@ -244,7 +246,7 @@ struct snd_card *snd_card_new(int idx, const char *id,
                          struct module *module, int extra_size);
 int snd_card_disconnect(struct snd_card *card);
 int snd_card_free(struct snd_card *card);
-int snd_card_free_in_thread(struct snd_card *card);
+int snd_card_free_when_closed(struct snd_card *card);
 int snd_card_register(struct snd_card *card);
 int snd_card_info_init(void);
 int snd_card_info_done(void);
diff --git a/include/sound/emu10k1.h b/include/sound/emu10k1.h
index 884bbf54cd36..892e310c504d 100644
--- a/include/sound/emu10k1.h
+++ b/include/sound/emu10k1.h
@@ -1524,6 +1524,10 @@ struct snd_emu10k1_fx8010_control_gpr {
         unsigned int value[32];         /* initial values */
         unsigned int min;               /* minimum range */
         unsigned int max;               /* maximum range */
+        union {
+                snd_kcontrol_tlv_rw_t *c;
+                unsigned int *p;
+        } tlv;
         unsigned int translation;       /* translation type (EMU10K1_GPR_TRANSLATION*) */
 };
 
diff --git a/include/sound/info.h b/include/sound/info.h
index 74f6996769c7..97ffc4fb9969 100644
--- a/include/sound/info.h
+++ b/include/sound/info.h
@@ -71,7 +71,6 @@ struct snd_info_entry {
         mode_t mode;
         long size;
         unsigned short content;
-        unsigned short disconnected: 1;
         union {
                 struct snd_info_entry_text text;
                 struct snd_info_entry_ops *ops;
@@ -83,6 +82,8 @@ struct snd_info_entry {
         void (*private_free)(struct snd_info_entry *entry);
         struct proc_dir_entry *p;
         struct mutex access;
+        struct list_head children;
+        struct list_head list;
 };
 
 #if defined(CONFIG_SND_OSSEMUL) && defined(CONFIG_PROC_FS)
@@ -122,8 +123,8 @@ int snd_info_restore_text(struct snd_info_entry * entry);
 int snd_info_card_create(struct snd_card * card);
 int snd_info_card_register(struct snd_card * card);
 int snd_info_card_free(struct snd_card * card);
+void snd_info_card_disconnect(struct snd_card * card);
 int snd_info_register(struct snd_info_entry * entry);
-int snd_info_unregister(struct snd_info_entry * entry);
 
 /* for card drivers */
 int snd_card_proc_new(struct snd_card *card, const char *name, struct snd_info_entry **entryp);
@@ -156,8 +157,8 @@ static inline void snd_info_free_entry(struct snd_info_entry * entry) { ; }
 static inline int snd_info_card_create(struct snd_card * card) { return 0; }
 static inline int snd_info_card_register(struct snd_card * card) { return 0; }
 static inline int snd_info_card_free(struct snd_card * card) { return 0; }
+static inline void snd_info_card_disconnect(struct snd_card * card) { }
 static inline int snd_info_register(struct snd_info_entry * entry) { return 0; }
-static inline int snd_info_unregister(struct snd_info_entry * entry) { return 0; }
 
 static inline int snd_card_proc_new(struct snd_card *card, const char *name,
                                     struct snd_info_entry **entryp) { return -EINVAL; }
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index f84d84993a31..60d40b34efc0 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -190,7 +190,7 @@ struct snd_pcm_ops {
 
 struct snd_pcm_file {
         struct snd_pcm_substream *substream;
-        struct snd_pcm_file *next;
+        int no_compat_mmap;
 };
 
 struct snd_pcm_hw_rule;
@@ -384,7 +384,6 @@ struct snd_pcm_substream {
         struct snd_info_entry *proc_prealloc_entry;
 #endif
         /* misc flags */
-        unsigned int no_mmap_ctrl: 1;
         unsigned int hw_opened: 1;
 };
 
@@ -402,7 +401,6 @@ struct snd_pcm_str {
         /* -- OSS things -- */
         struct snd_pcm_oss_stream oss;
 #endif
-        struct snd_pcm_file *files;
 #ifdef CONFIG_SND_VERBOSE_PROCFS
         struct snd_info_entry *proc_root;
         struct snd_info_entry *proc_info_entry;
diff --git a/include/sound/timer.h b/include/sound/timer.h
index 5ece2bf541dc..d42c083db1da 100644
--- a/include/sound/timer.h
+++ b/include/sound/timer.h
@@ -129,7 +129,6 @@ void snd_timer_notify(struct snd_timer *timer, int event, struct timespec *tstam
 int snd_timer_global_new(char *id, int device, struct snd_timer **rtimer);
 int snd_timer_global_free(struct snd_timer *timer);
 int snd_timer_global_register(struct snd_timer *timer);
-int snd_timer_global_unregister(struct snd_timer *timer);
 
 int snd_timer_open(struct snd_timer_instance **ti, char *owner, struct snd_timer_id *tid, unsigned int slave_id);
 int snd_timer_close(struct snd_timer_instance *timeri);
diff --git a/include/sound/tlv.h b/include/sound/tlv.h
new file mode 100644
index 000000000000..d93a96b91875
--- /dev/null
+++ b/include/sound/tlv.h
@@ -0,0 +1,60 @@
+#ifndef __SOUND_TLV_H
+#define __SOUND_TLV_H
+
+/*
+ *  Advanced Linux Sound Architecture - ALSA - Driver
+ *  Copyright (c) 2006 by Jaroslav Kysela <perex@suse.cz>
+ *
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */
+
+/*
+ * TLV structure is right behind the struct snd_ctl_tlv:
+ *   unsigned int type          - see SNDRV_CTL_TLVT_*
+ *   unsigned int length
+ *   .... data aligned to sizeof(unsigned int), use
+ *        block_length = (length + (sizeof(unsigned int) - 1)) &
+ *                       ~(sizeof(unsigned int) - 1)) ....
+ */
+
+#define SNDRV_CTL_TLVT_CONTAINER 0      /* one level down - group of TLVs */
+#define SNDRV_CTL_TLVT_DB_SCALE 1       /* dB scale */
+#define SNDRV_CTL_TLVT_DB_LINEAR 2      /* linear volume */
+#define SNDRV_CTL_TLVT_DB_RANGE 3       /* dB range container */
+
+#define TLV_DB_SCALE_ITEM(min, step, mute)                      \
+        SNDRV_CTL_TLVT_DB_SCALE, 2 * sizeof(unsigned int),      \
+        (min), ((step) & 0xffff) | ((mute) ? 0x10000 : 0)
+#define DECLARE_TLV_DB_SCALE(name, min, step, mute) \
+        unsigned int name[] = { TLV_DB_SCALE_ITEM(min, step, mute) }
+
+/* linear volume between min_dB and max_dB (.01dB unit) */
+#define TLV_DB_LINEAR_ITEM(min_dB, max_dB)                  \
+        SNDRV_CTL_TLVT_DB_LINEAR, 2 * sizeof(unsigned int), \
+        (min_dB), (max_dB)
+#define DECLARE_TLV_DB_LINEAR(name, min_dB, max_dB)     \
+        unsigned int name[] = { TLV_DB_LINEAR_ITEM(min_dB, max_dB) }
+
+/* dB range container */
+/* Each item is: <min> <max> <TLV> */
+/* The below assumes that each item TLV is 4 words like DB_SCALE or LINEAR */
+#define TLV_DB_RANGE_HEAD(num)                  \
+        SNDRV_CTL_TLVT_DB_RANGE, 6 * (num) * sizeof(unsigned int)
+
+#define TLV_DB_GAIN_MUTE        -9999999
+
+#endif /* __SOUND_TLV_H */
diff --git a/include/sound/vx_core.h b/include/sound/vx_core.h
index 9821a6194caa..dbca14170615 100644
--- a/include/sound/vx_core.h
+++ b/include/sound/vx_core.h
@@ -128,6 +128,7 @@ struct snd_vx_hardware {
         unsigned int num_ins;
         unsigned int num_outs;
         unsigned int output_level_max;
+        unsigned int *output_level_db_scale;
 };
 
 /* hwdep id string */