Merge branch 'for-linus' into for-next

This is a preliminary merge before the upcoming merge of generic parser
branch.

7 files changed, 72 insertions, 21 deletions

diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index c183d34842ac..34b9bb7fe87c 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -2181,10 +2181,6 @@ int snd_usbmidi_create(struct snd_card *card,
                 umidi->usb_protocol_ops = &snd_usbmidi_novation_ops;
                 err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
                 break;
-        case QUIRK_MIDI_MBOX2:
-                umidi->usb_protocol_ops = &snd_usbmidi_midiman_ops;
-                err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
-                break;
         case QUIRK_MIDI_RAW_BYTES:
                 umidi->usb_protocol_ops = &snd_usbmidi_raw_ops;
                 /*
diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c
index e71fe55cebef..0e2ed3d05c45 100644
--- a/sound/usb/mixer_maps.c
+++ b/sound/usb/mixer_maps.c
@@ -179,6 +179,15 @@ static struct usbmix_name_map audigy2nx_map[] = {
         { 0 } /* terminator */
 };
 
+static struct usbmix_selector_map c400_selectors[] = {
+        {
+                .id = 0x80,
+                .count = 2,
+                .names = (const char*[]) {"Internal", "SPDIF"}
+        },
+        { 0 } /* terminator */
+};
+
 static struct usbmix_selector_map audigy2nx_selectors[] = {
         {
                 .id = 14, /* Capture Source */
@@ -367,6 +376,10 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = {
                 .map = hercules_usb51_map,
         },
         {
+                .id = USB_ID(0x0763, 0x2030),
+                .selector_map = c400_selectors,
+        },
+        {
                 .id = USB_ID(0x08bb, 0x2702),
                 .map = linex_map,
                 .ignore_ctl_error = 1,
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 0422b1360af3..15520de1df56 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -1206,7 +1206,7 @@ static int snd_c400_create_mixer(struct usb_mixer_interface *mixer)
  * are valid they presents mono controls as L and R channels of
  * stereo. So we provide a good mixer here.
  */
-struct std_mono_table ebox44_table[] = {
+static struct std_mono_table ebox44_table[] = {
         {
                 .unitid = 4,
                 .control = 1,
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 3a384479e923..b839b60f9858 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -515,6 +515,16 @@ static int configure_sync_endpoint(struct snd_usb_substream *subs)
         struct snd_usb_substream *sync_subs =
                 &subs->stream->substream[subs->direction ^ 1];
 
+        if (subs->sync_endpoint->type != SND_USB_ENDPOINT_TYPE_DATA ||
+            !subs->stream)
+                return snd_usb_endpoint_set_params(subs->sync_endpoint,
+                                                   subs->pcm_format,
+                                                   subs->channels,
+                                                   subs->period_bytes,
+                                                   subs->cur_rate,
+                                                   subs->cur_audiofmt,
+                                                   NULL);
+
         /* Try to find the best matching audioformat. */
         list_for_each_entry(fp, &sync_subs->fmt_list, list) {
                 int score = match_endpoint_audioformats(fp, subs->cur_audiofmt,
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index cdcf6b45e8a8..64d25a7a4d59 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -50,6 +50,28 @@
         }
 },
 
+{
+        /* Creative BT-D1 */
+        USB_DEVICE(0x041e, 0x0005),
+        .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+                .ifnum = 1,
+                .type = QUIRK_AUDIO_FIXED_ENDPOINT,
+                .data = &(const struct audioformat) {
+                        .formats = SNDRV_PCM_FMTBIT_S16_LE,
+                        .channels = 2,
+                        .iface = 1,
+                        .altsetting = 1,
+                        .altset_idx = 1,
+                        .endpoint = 0x03,
+                        .ep_attr = USB_ENDPOINT_XFER_ISOC,
+                        .attributes = 0,
+                        .rates = SNDRV_PCM_RATE_CONTINUOUS,
+                        .rate_min = 48000,
+                        .rate_max = 48000,
+                }
+        }
+},
+
 /* Creative/Toshiba Multimedia Center SB-0500 */
 {
         USB_DEVICE(0x041e, 0x3048),
@@ -2267,7 +2289,7 @@ YAMAHA_DEVICE(0x7010, "UB99"),
                                         .rate_table = (unsigned int[]) {
                                                         44100, 48000, 88200, 96000
                                         },
-                                        .clock = 0x81,
+                                        .clock = 0x80,
                                 }
                         },
                         /* Capture */
@@ -2293,7 +2315,7 @@ YAMAHA_DEVICE(0x7010, "UB99"),
                                         .rate_table = (unsigned int[]) {
                                                 44100, 48000, 88200, 96000
                                         },
-                                        .clock = 0x81,
+                                        .clock = 0x80,
                                 }
                         },
                         /* MIDI */
@@ -2993,7 +3015,7 @@ YAMAHA_DEVICE(0x7010, "UB99"),
                         },
                         {
                                 .ifnum = 6,
-                                .type = QUIRK_MIDI_MBOX2,
+                                .type = QUIRK_MIDI_MIDIMAN,
                                 .data = &(const struct snd_usb_midi_endpoint_info) {
                                         .out_ep =  0x02,
                                         .out_cables = 0x0001,
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index f104c68fe1e0..2c971858d6b7 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -306,7 +306,6 @@ int snd_usb_create_quirk(struct snd_usb_audio *chip,
                 [QUIRK_MIDI_YAMAHA] = create_any_midi_quirk,
                 [QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk,
                 [QUIRK_MIDI_NOVATION] = create_any_midi_quirk,
-                [QUIRK_MIDI_MBOX2] = create_any_midi_quirk,
                 [QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk,
                 [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk,
                 [QUIRK_MIDI_CME] = create_any_midi_quirk,
@@ -388,11 +387,13 @@ static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev)
                  * rules
                  */
                 err = usb_driver_set_configuration(dev, 2);
-                if (err < 0) {
+                if (err < 0)
                         snd_printdd("error usb_driver_set_configuration: %d\n",
                                     err);
-                        return -ENODEV;
-                }
+                /* Always return an error, so that we stop creating a device
+                   that will just be destroyed and recreated with a new
+                   configuration */
+                return -ENODEV;
         } else
                 snd_printk(KERN_INFO "usb-audio: Fast Track Pro config OK\n");
 
@@ -528,11 +529,11 @@ static void mbox2_setup_48_24_magic(struct usb_device *dev)
 #define MBOX2_BOOT_LOADING     0x01 /* Hard coded into the device */
 #define MBOX2_BOOT_READY       0x02 /* Hard coded into the device */
 
-int snd_usb_mbox2_boot_quirk(struct usb_device *dev)
+static int snd_usb_mbox2_boot_quirk(struct usb_device *dev)
 {
         struct usb_host_config *config = dev->actconfig;
         int err;
-        u8 bootresponse;
+        u8 bootresponse[12];
         int fwsize;
         int count;
 
@@ -546,20 +547,20 @@ int snd_usb_mbox2_boot_quirk(struct usb_device *dev)
         snd_printd("usb-audio: Sending Digidesign Mbox 2 boot sequence...\n");
 
         count = 0;
-        bootresponse = MBOX2_BOOT_LOADING;
-        while ((bootresponse == MBOX2_BOOT_LOADING) && (count < 10)) {
+        bootresponse[0] = MBOX2_BOOT_LOADING;
+        while ((bootresponse[0] == MBOX2_BOOT_LOADING) && (count < 10)) {
                 msleep(500); /* 0.5 second delay */
                 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
                         /* Control magic - load onboard firmware */
                         0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012);
-                if (bootresponse == MBOX2_BOOT_READY)
+                if (bootresponse[0] == MBOX2_BOOT_READY)
                         break;
                 snd_printd("usb-audio: device not ready, resending boot sequence...\n");
                 count++;
         }
 
-        if (bootresponse != MBOX2_BOOT_READY) {
-                snd_printk(KERN_ERR "usb-audio: Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse);
+        if (bootresponse[0] != MBOX2_BOOT_READY) {
+                snd_printk(KERN_ERR "usb-audio: Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]);
                 return -ENODEV;
         }
 
@@ -660,7 +661,6 @@ static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip,
         return 0; /* keep this altsetting */
 }
 
-
 static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip,
                                            int iface, int altno)
 {
@@ -861,6 +861,17 @@ void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep)
         if ((le16_to_cpu(ep->chip->dev->descriptor.idVendor) == 0x23ba) &&
             ep->type == SND_USB_ENDPOINT_TYPE_SYNC)
                 ep->skip_packets = 4;
+
+        /*
+         * M-Audio Fast Track C400 - when packets are not skipped, real world
+         * latency varies by approx. +/- 50 frames (at 96KHz) each time the
+         * stream is (re)started. When skipping packets 16 at endpoint start
+         * up, the real world latency is stable within +/- 1 frame (also
+         * across power cycles).
+         */
+        if (ep->chip->usb_id == USB_ID(0x0763, 0x2030) &&
+            ep->type == SND_USB_ENDPOINT_TYPE_DATA)
+                ep->skip_packets = 16;
 }
 
 void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index a8172c119796..1ac3fd9cc5a6 100644
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -76,7 +76,6 @@ enum quirk_type {
         QUIRK_MIDI_YAMAHA,
         QUIRK_MIDI_MIDIMAN,
         QUIRK_MIDI_NOVATION,
-        QUIRK_MIDI_MBOX2,
         QUIRK_MIDI_RAW_BYTES,
         QUIRK_MIDI_EMAGIC,
         QUIRK_MIDI_CME,