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bceee75387
linux/sound/usb
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Takashi Iwai bceee75387 ALSA: usb-audio: Disable low-latency mode for implicit feedback sync 
When a playback stream runs in the implicit feedback mode, its
operation is passive and won't start unless the capture packet is
received.  This behavior contradicts with the low-latency playback
mode, and we should turn off lowlatency_playback flag accordingly.

In theory, we may take the low-latency mode when the playback-first
quirk is set, but it still conflicts with the later operation with the
fixed packet numbers, so it's disabled all together for now.

Link: https://lore.kernel.org/r/20210929080844.11583-6-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-09-30 13:55:22 +02:00
..
6fire module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
bcd2000 ALSA: Convert strlcpy to strscpy when return value is unused 2021-01-08 09:30:05 +01:00
caiaq module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
hiface module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
line6 ALSA: line6: Fix racy initialization of LINE6 MIDI 2021-05-19 16:25:57 +02:00
misc module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
usx2y ALSA: usx2y: Prefer struct_size over open coded arithmetic 2021-09-21 18:38:11 +02:00
card.c ALSA: usb-audio: Unify mixer resume and reset_resume procedure 2021-09-13 15:00:31 +02:00
card.h ALSA: usb-audio: Rename early_playback_start flag with lowlatency_playback 2021-09-30 13:55:20 +02:00
clock.c ALSA: usb-audio: fix comment reference in __uac_clock_find_source 2021-09-28 10:17:08 +02:00
clock.h ALSA: usb-audio: Constify audioformat pointer references 2020-11-23 15:15:36 +01:00
endpoint.c ALSA: usb-audio: Rename early_playback_start flag with lowlatency_playback 2021-09-30 13:55:20 +02:00
endpoint.h ALSA: usb-audio: Restrict rates for the shared clocks 2021-09-30 13:55:18 +02:00
format.c ALSA: usb-audio: Move rate validation quirk into quirk_flags 2021-08-02 09:06:03 +02:00
format.h
helper.c ALSA: usb-audio: Add snd_usb_get_host_interface() helper 2020-11-23 15:13:47 +01:00
helper.h ALSA: usb-audio: Add snd_usb_get_host_interface() helper 2020-11-23 15:13:47 +01:00
implicit.c ALSA: usb-audio: Move playback_first flag into quirk_flags 2021-08-02 09:05:58 +02:00
implicit.h ALSA: usb-audio: Factor out the implicit feedback quirk code 2020-11-23 15:17:00 +01:00
Kconfig sound: Fix Kconfig indentation 2019-10-07 03:53:03 +02:00
Makefile ALSA: usb-audio: Factor out the implicit feedback quirk code 2020-11-23 15:17:00 +01:00
media.c ALSA: usb-audio: fix spelling mistakes 2021-07-05 19:33:54 +02:00
media.h media: sound/usb: Use Media Controller API to share media resources 2019-04-22 11:21:06 -04:00
midi.c ALSA: usb-audio: Fix potential out-of-bounce access in MIDI EP parser 2021-05-11 11:10:37 +02:00
midi.h ALSA: usb-audio: generate midi streaming substream names from jack names 2021-03-01 09:21:54 +01:00
mixer_maps.c ALSA: usb-audio: Move ignore_ctl_error check into quirk_flags 2021-08-02 09:06:05 +02:00
mixer_quirks.c ALSA: usb-audio: Unify mixer resume and reset_resume procedure 2021-09-13 15:00:31 +02:00
mixer_quirks.h ALSA: usb-audio: Initialize Dell Dock playback volumes 2018-05-02 16:02:32 +02:00
mixer_s1810c.c ALSA: usb-audio: fix spelling mistakes 2021-07-05 19:33:54 +02:00
mixer_s1810c.h ALSA: usb-audio: Add support for Presonus Studio 1810c 2020-02-15 09:46:16 +01:00
mixer_scarlett_gen2.c ALSA: scarlett2: Fix line out/speaker switching notifications 2021-07-24 10:05:30 +02:00
mixer_scarlett_gen2.h ALSA: usb-audio: scarlett2: Improve driver startup messages 2021-05-21 16:22:52 +02:00
mixer_scarlett.c ALSA: usb-audio: fix spelling mistakes 2021-07-05 19:33:54 +02:00
mixer_scarlett.h
mixer_us16x08.c ALSA: Convert strlcpy to strscpy when return value is unused 2021-01-08 09:30:05 +01:00
mixer_us16x08.h ALSA: usb: Constify snd_kcontrol_new items 2020-01-03 09:24:34 +01:00
mixer.c ALSA: usb-audio: Unify mixer resume and reset_resume procedure 2021-09-13 15:00:31 +02:00
mixer.h ALSA: usb-audio: Unify mixer resume and reset_resume procedure 2021-09-13 15:00:31 +02:00
pcm.c ALSA: usb-audio: Disable low-latency mode for implicit feedback sync 2021-09-30 13:55:22 +02:00
pcm.h ALSA: usb-audio: Make snd_usb_pcm_delay() static 2021-06-02 09:01:17 +02:00
power.c ALSA: usb-audio: More validations of descriptor units 2019-08-22 10:35:59 +02:00
power.h ALSA: usb-audio: Initial Power Domain support 2018-07-31 15:01:22 +02:00
proc.c ALSA: usb-audio: Show sync endpoint information in proc outputs 2020-11-23 15:16:45 +01:00
proc.h
quirks-table.h ALSA: usb-audio: Move autosuspend quirk into quirk_flags 2021-08-02 09:06:04 +02:00
quirks.c ALSA: usb-audio: Add registration quirk for JBL Quantum 800 2021-09-01 22:42:28 +02:00
quirks.h ALSA: usb-audio: Move interface setup delay into quirk_flags 2021-08-02 09:06:02 +02:00
stream.c ALSA: usb-audio: Move tx_length quirk handling to quirk_flags 2021-08-02 09:05:57 +02:00
stream.h
usbaudio.h Merge branch 'for-linus' into for-next 2021-08-30 08:04:04 +02:00
validate.c ALSA: usb-audio: Fix endianess in descriptor validation 2020-02-01 09:06:11 +01:00