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e2439a5401
linux/sound/usb
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Takashi Iwai e2439a5401 ALSA: usx2y: Don't peep the card internal object 
Avoid traversing the device object list of the card instance just for
checking the PCM streams.  The driver's private object already
contains the array of substream pointers, so it can be simply looked
through.  The card internal may be restructured in future, thus better
not to rely on it.

Also, this fixes the possible deadlocks in PCM mutex.  Instead of
taking multiple PCM mutexes, just take the common mutex in all
places.  Along with it, rename prepare_mutex as pcm_mutex.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-02-17 10:16:25 +01:00
..
6fire ALSA: usb: Convert to snd_card_new() with a device pointer 2014-02-12 11:18:00 +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: Convert to snd_card_new() with a device pointer 2014-02-12 11:18:00 +01:00
card.h ALSA: usb-audio: rename alt_idx to altsetting 2013-10-07 11:22:03 +02:00
clock.c ALSA: usb-audio: store protocol version in struct audioformat 2013-06-27 21:59:47 +02:00
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: use multiple packets per urb for Wireless USB inbound audio 2013-11-27 11:55:13 +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: Fix Creative VF0420 rate 2014-01-14 14:23:47 +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: add MIDI port names for some Roland devices 2013-06-27 21:59:48 +02:00
midi.h
mixer_maps.c ALSA: usb-audio: Add a quirk for Plantronics Gamecom 780 2013-12-20 16:37:02 +01:00
mixer_quirks.c ALSA: usb-audio: fix uninitialized variable compile warning 2013-12-05 21:13:18 +01:00
mixer_quirks.h
mixer.c ALSA: usb-audio: Use SNDRV_DEV_CODEC for mixer objects 2014-02-14 08:18:34 +01:00
mixer.h ALSA: usb-audio: Resume mixer values properly 2014-02-03 09:51:34 +01:00
pcm.c ALSA: usb-audio: rename alt_idx to altsetting 2013-10-07 11:22:03 +02:00
pcm.h ALSA: usb: refine delay information with USB frame counter 2011-09-12 10:30:20 +02:00
power.h
proc.c ALSA: usb-audio: proc: use found syncmaxsize to determine feedback format 2013-05-17 08:05:34 +02:00
proc.h
quirks-table.h ALSA: snd-usb: re-order some quirk entries 2014-01-14 14:40:08 +01:00
quirks.c ALSA: usb-audio: Add support for Focusrite Saffire 6 USB 2014-01-14 13:56:31 +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: Fix wrong mapping of RLC and RRC channels 2013-11-11 17:06:57 +01:00
stream.h ALSA: snd-usb: re-order code 2011-09-14 17:07:02 +02:00
usbaudio.h ALSA: improve buffer size computations for USB PCM audio 2013-09-26 10:25:31 +02:00