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1ee23fe07e
linux/sound/usb
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Takashi Iwai 1ee23fe07e ALSA: usb-audio: Fix deadlocks at resuming 
The recent addition of the USB audio mixer suspend/resume may lead to
deadlocks when the driver tries to call usb_autopm_get_interface()
recursively, since the function tries to sync with the finish of the
other calls.  For avoiding it, introduce a flag indicating the resume
operation and avoids the recursive usb_autopm_get_interface() calls
during the resume.

Reported-and-tested-by: Bryan Quigley <gquigs@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-05-02 18:17:06 +02:00
..
6fire ALSA: 6fire: Use standard printk helpers 2014-02-26 17:22:09 +01:00
caiaq ALSA: usb: Convert to snd_card_new() with a device pointer 2014-02-12 11:18:00 +01:00
hiface ALSA: usb: Convert to snd_card_new() with a device pointer 2014-02-12 11:18:00 +01:00
misc ALSA: usb: Convert to snd_card_new() with a device pointer 2014-02-12 11:18:00 +01:00
usx2y ALSA: usx2y: Don't peep the card internal object 2014-02-17 10:16:25 +01:00
card.c ALSA: usb-audio: Fix deadlocks at resuming 2014-05-02 18:17:06 +02:00
card.h ALSA: usb-audio: rename alt_idx to altsetting 2013-10-07 11:22:03 +02:00
clock.c ALSA: usb-audio: Use standard printk helpers 2014-02-26 16:45:34 +01:00
clock.h ALSA: usb-audio: UAC2: do clock validity check earlier 2013-04-04 08:30:59 +02:00
debug.h ALSA: usb-audio: make hwc_debug a noop in case HW_CONST_DEBUG is not set 2011-05-18 11:44:35 +02:00
endpoint.c ALSA: usb-audio: Use standard printk helpers 2014-02-26 16:45:34 +01:00
endpoint.h ALSA: usb-audio: void return type of snd_usb_endpoint_deactivate() 2013-10-07 11:00:03 +02:00
format.c ALSA: usb-audio: Use standard printk helpers 2014-02-26 16:45:34 +01:00
format.h ALSA: usb-audio: store protocol version in struct audioformat 2013-06-27 21:59:47 +02:00
helper.c ALSA: usb-audio: support wireless devices in snd_usb_parse_datainterval 2013-10-07 12:52:21 +02:00
helper.h ALSA: usb-audio: increase control transfer timeout 2011-09-27 09:21:48 +02:00
Kconfig ALSA: usb-audio: Add missing kconfig dependecy 2014-02-03 09:42:45 +01:00
Makefile Add M2Tech hiFace USB-SPDIF driver 2013-06-24 09:26:08 +02:00
midi.c ALSA: usb-audio: Use standard printk helpers 2014-02-26 16:45:34 +01:00
midi.h ALSA: usb-audio: add support for Akai MPD16 2010-05-21 17:12:30 +02:00
mixer_maps.c ALSA: usb-audio: work around KEF X300A firmware bug 2014-02-17 10:11:54 +01:00
mixer_quirks.c ALSA: usb-audio: Use standard printk helpers 2014-02-26 16:45:34 +01:00
mixer_quirks.h ALSA: usb-mixer: factor out quirks 2010-03-12 12:20:26 +01:00
mixer.c ASoC: Updates for v3.15 2014-03-13 09:53:25 +01:00
mixer.h ALSA: usb-audio: Resume mixer values properly 2014-02-03 09:51:34 +01:00
pcm.c ALSA: usb-audio: Prevent printk ratelimiting from spamming kernel log while DEBUG not defined 2014-05-02 18:10:59 +02:00
pcm.h ALSA: usb: refine delay information with USB frame counter 2011-09-12 10:30:20 +02:00
power.h ALSA: usbaudio: implement USB autosuspend 2011-03-11 14:59:29 +01:00
proc.c ALSA: usb-audio: proc: use found syncmaxsize to determine feedback format 2013-05-17 08:05:34 +02:00
proc.h ALSA: usb-audio: refactor code 2010-03-05 08:17:14 +01:00
quirks-table.h ALSA: snd-usb: re-order some quirk entries 2014-01-14 14:40:08 +01:00
quirks.c ALSA: usb-audio: Use standard printk helpers 2014-02-26 16:45:34 +01:00
quirks.h ALSA: snd-usb: add quirks handler for DSD streams 2013-04-18 10:03:53 +02:00
stream.c ALSA: usb-audio: Use standard printk helpers 2014-02-26 16:45:34 +01:00
stream.h ALSA: snd-usb: re-order code 2011-09-14 17:07:02 +02:00
usbaudio.h ALSA: usb-audio: Fix deadlocks at resuming 2014-05-02 18:17:06 +02:00