linux/sound/usb
Nobutaka Okabe 0120073091 ALSA: usb-audio: Eliminate noise at the start of DSD playback.
[Problem]
In some USB DACs, a terrible pop noise comes to be heard
at the start of DSD playback (in the following situations).

- play first DSD track
- change from PCM track to DSD track
- change from DSD64 track to DSD128 track (and etc...)
- seek DSD track
- Fast-Forward/Rewind DSD track

[Cause]
At the start of playback, there is a little silence.
The silence bit pattern "0x69" is required on DSD mode,
but it is not like that.

[Solution]
This patch adds DSD silence pattern to the endpoint settings.

Signed-off-by: Nobutaka Okabe <nob77413@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2016-12-12 22:43:35 +01:00
..
6fire treewide: Fix typos in printk 2015-12-08 14:59:19 +01:00
bcd2000 ALSA: bcd2000: Make local data static 2015-05-26 13:00:01 +02:00
caiaq ALSA: usb: caiaq: audio: don't print error when allocating urb fails 2016-08-11 23:05:57 +02:00
hiface ALSA: usb: Convert to snd_card_new() with a device pointer 2014-02-12 11:18:00 +01:00
line6 ALSA: line6: Claim pod x3 usb data interface 2016-11-29 22:16:14 +01:00
misc ALSA: ua101: replace le16_to_cpu() with usb_endpoint_maxp() 2015-11-16 09:03:06 +01:00
usx2y ALSA: usx2y: fix inconsistent indenting on if statement 2015-12-02 18:03:24 +01:00
card.c ALSA: usb-audio: Fix bogus error return in snd_usb_create_stream() 2016-11-29 22:28:40 +01:00
card.h ALSA: usb: use TEAC UD-H01 quirk for more devices 2016-08-22 11:39:56 +02:00
clock.c ALSA: usb-audio: Limit retrying sample rate reads 2016-04-29 11:49:04 +02:00
clock.h
debug.h
endpoint.c ALSA: usb-audio: Eliminate noise at the start of DSD playback. 2016-12-12 22:43:35 +01:00
endpoint.h ALSA: usb-audio: Pass direct struct pointer instead of list_head 2014-11-04 15:09:10 +01:00
format.c ALSA: usb-audio: rmove print for failure of kmalloc 2016-08-22 11:41:02 +02:00
format.h
helper.c ALSA: usb-audio: correct speed checking 2016-05-08 11:42:04 +02:00
helper.h
Kconfig [media] Revert "[media] sound/usb: Use Media Controller API to share media resources" 2016-03-31 15:02:33 -03:00
Makefile [media] Revert "[media] sound/usb: Use Media Controller API to share media resources" 2016-03-31 15:02:33 -03:00
midi.c ALSA: usb-midi: correct speed checking 2016-05-08 11:42:30 +02:00
midi.h ALSA: usb-audio: Refer to chip->usb_id for quirks and MIDI creation 2016-01-29 07:36:10 +01:00
mixer.c ALSA: usb-audio: Add QuickCam Communicate Deluxe/S7500 to volume_control_quirks 2016-12-09 11:21:02 +01:00
mixer.h [media] Revert "[media] sound/usb: Use Media Controller API to share media resources" 2016-03-31 15:02:33 -03:00
mixer_maps.c ALSA: usb-audio: Change structure initialisation to C99 style 2016-06-17 16:58:41 +02:00
mixer_quirks.c ALSA: usb-audio: Extend DragonFly dB scale quirk to cover other variants 2016-09-23 08:32:18 +02:00
mixer_quirks.h ALSA: usb-audio: Add a more accurate volume quirk for AudioQuest DragonFly 2015-12-14 10:13:17 +01:00
mixer_scarlett.c ALSA: usb-audio: Fix Scarlett 6i6 initialization typo 2014-12-18 08:39:17 +01:00
mixer_scarlett.h ALSA: usb-audio: Scarlett mixer interface for 6i6, 18i6, 18i8 and 18i20 2014-11-13 07:32:39 +01:00
pcm.c ALSA: usb-audio: add implicit fb quirk for Axe-Fx II 2016-12-09 11:19:31 +01:00
pcm.h
power.h
proc.c ALSA: usb-audio: Avoid nested autoresume calls 2015-08-26 15:38:25 +02:00
proc.h
quirks-table.h ALSA: usb-audio: Add quirk for Syntek STK1160 2016-10-27 12:07:19 +02:00
quirks.c ALSA: usb-audio: Add native DSD support for TEAC 501/503 DAC 2016-12-12 22:42:33 +01:00
quirks.h ALSA: usb-audio: Refer to chip->usb_id for quirks and MIDI creation 2016-01-29 07:36:10 +01:00
stream.c media fixes for v4.6-rc2 2016-04-05 06:47:50 -07:00
stream.h
usbaudio.h Merge branch 'for-linus' into for-next 2016-05-10 16:06:04 +02:00