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83b7dcbc51
linux/sound/usb
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Takashi Iwai 83b7dcbc51 ALSA: usb-audio: Add generic implicit fb parsing 
This patch extends the implicit feedback mode parser code to check the
description more generically, so that the quirk entries can be added
without the explicit EP and interface numbers.  The search is done for
the next and the previous interface of the given altset, and if both
entries are ASYNC mode and the direction matches, it just takes as the
sync endpoint.  The generic parser is applicable only for the playback
stream.

As of now, only a few M-Audio devices have been converted to use this
mode.

Tested-by: Keith Milner <kamilner@superlative.org>
Tested-by: Dylan Robinson <dylan_robinson@motu.com>
Link: https://lore.kernel.org/r/20201123085347.19667-39-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-11-23 15:17:11 +01:00
..
6fire sound: 6fire: move to use usb_control_msg_send() and usb_control_msg_recv() 2020-09-25 16:33:59 +02:00
bcd2000 ALSA: bcd2000: More constifications 2020-01-05 16:14:49 +01:00
caiaq ALSA: Replace with fallthrough pseudo keyword in the remaining places 2020-07-09 19:10:43 +02:00
hiface sound: hiface: move to use usb_control_msg_send() 2020-09-25 16:33:59 +02:00
line6 sound: line6: move to use usb_control_msg_send() and usb_control_msg_recv() 2020-09-25 16:33:59 +02:00
misc ALSA: ua101: Replace tasklet with work 2020-09-09 18:33:15 +02:00
usx2y sound: usx2y: move to use usb_control_msg_send() 2020-09-25 16:33:59 +02:00
card.c ALSA: usb-audio: Drop unneeded snd_usb_substream fields 2020-11-23 15:16:04 +01:00
card.h ALSA: usb-audio: Use unsigned char for iface and altsettings fields 2020-11-23 15:16:37 +01:00
clock.c ALSA: usb-audio: Constify audioformat pointer references 2020-11-23 15:15:36 +01:00
clock.h ALSA: usb-audio: Constify audioformat pointer references 2020-11-23 15:15:36 +01:00
endpoint.c ALSA: usb-audio: Use unsigned char for iface and altsettings fields 2020-11-23 15:16:37 +01:00
endpoint.h ALSA: usb-audio: Unify the code for the next packet size calculation 2020-11-23 15:16:13 +01:00
format.c ALSA: usb-audio: Simplify rate_min/max and rates set up 2020-11-23 15:16:22 +01:00
format.h ALSA: usb: initial USB Audio Device Class 3.0 support 2018-03-21 11:46:33 +01:00
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: Add generic implicit fb parsing 2020-11-23 15:17:11 +01:00
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 media: sound/usb: Use Media Controller API to share media resources 2019-04-22 11:21:06 -04:00
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: Replace tasklet with work 2020-09-09 18:33:03 +02:00
midi.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mixer_maps.c ALSA: usb-audio: Use ALC1220-VB-DT mapping for ASUS ROG Strix TRX40 mobo 2020-11-16 09:45:26 +01:00
mixer_quirks.c ALSA: usb-audio: Add mixer support for Pioneer DJ DJM-250MK2 2020-09-23 14:40:52 +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 some typos 2020-06-30 19:48:18 +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 sound updates for 5.10 2020-10-15 11:07:44 -07:00
mixer_scarlett_gen2.h ALSA: usb-audio: Scarlett Gen 2 mixer interface 2019-07-28 17:47:48 +02:00
mixer_scarlett.c ALSA: usb-audio: More constifications 2020-01-05 16:14:34 +01:00
mixer_scarlett.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mixer_us16x08.c ALSA: usb-audio: fix spelling mistake "Frequence" -> "Frequency" 2020-10-02 11:24:51 +02:00
mixer_us16x08.h ALSA: usb: Constify snd_kcontrol_new items 2020-01-03 09:24:34 +01:00
mixer.c ALSA: usb-audio: Drop keep_interface flag again 2020-11-23 15:13:37 +01:00
mixer.h ALSA: usb-audio: Fix OOB access of mixer element list 2020-06-24 14:24:29 +02:00
pcm.c ALSA: usb-audio: Factor out the implicit feedback quirk code 2020-11-23 15:17:00 +01:00
pcm.h ALSA: usb-audio: Constify audioformat pointer references 2020-11-23 15:15:36 +01:00
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 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
quirks-table.h ALSA: usb-audio: Always set up the parameters after resume 2020-11-23 15:14:54 +01:00
quirks.c ALSA: usb-audio: Drop unneeded snd_usb_substream fields 2020-11-23 15:16:04 +01:00
quirks.h ALSA: usb-audio: Constify audioformat pointer references 2020-11-23 15:15:36 +01:00
stream.c ALSA: usb-audio: Simplify snd_usb_init_pitch() arguments 2020-11-23 15:14:27 +01:00
stream.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
usbaudio.h ALSA: usb-audio: Always set up the parameters after resume 2020-11-23 15:14:54 +01:00
validate.c ALSA: usb-audio: Fix endianess in descriptor validation 2020-02-01 09:06:11 +01:00