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alistair23-linux/sound/usb
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Takashi Iwai 384dc085c3 ALSA: usb-audio: Avoid unnecessary EP setups in prepare 
The recent fix for USB suspend breakage moved the code to set up EP
from hw_params to prepare, but it means also the EP setup might be
called multiple times unnecessarily because the prepare callback can
be called multiple times without starting the stream (e.g. OSS
emulation).

This patch adds a new flag to struct snd_usb_substream indicating
whether the setup of EP is required, and do it only when necessary,
i.e. right after hw_params or suspend.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
 		2012-09-19 08:08:16 +02:00
..
6fire ALSA: print small buffers via %*ph[C] 2012-08-06 11:09:50 +02:00
caiaq ALSA: snd-usb-caiaq: initialize card pointer 2012-06-27 12:26:19 +02:00
misc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound 2012-01-12 08:00:30 -08:00
usx2y ALSA: usx2y: Fix typo in usbusx2yaudio.c and usx2yhwdeppcm.c 2012-02-15 14:56:11 +01:00
Kconfig ALSA: snd-usb-6fire: Select missing SND_VMASTER option in Kconfig 2012-02-25 11:07:19 +01:00
Makefile ALSA: snd-usb: move code from urb.c to endpoint.c 2011-09-14 17:07:03 +02:00
card.c ALSA: usb-audio: Avoid unnecessary EP setups in prepare 2012-09-19 08:08:16 +02:00
card.h ALSA: usb-audio: Avoid unnecessary EP setups in prepare 2012-09-19 08:08:16 +02:00
clock.c ALSA: snd-usb: fix clock source validity index 2012-08-01 10:24:16 +02:00
clock.h ALSA: usb-audio: simplify control interface access 2010-06-23 16:10:23 +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: Don't require hw_params in endpoint. 2012-09-19 08:07:52 +02:00
endpoint.h ALSA: usb-audio: Don't require hw_params in endpoint. 2012-09-19 08:07:52 +02:00
format.c ALSA: usb-audio: avoid integer overflow in create_fixed_stream_quirk() 2012-02-15 14:58:15 +01:00
format.h ALSA: usb-audio: parse more format descriptors with structs 2010-05-27 09:48:31 +02:00
helper.c ALSA: snd-usb: Add quirks for Playback Designs devices 2012-09-04 11:31:14 +02:00
helper.h ALSA: usb-audio: increase control transfer timeout 2011-09-27 09:21:48 +02:00
midi.c sound: Add module.h to the previously silent sound users 2011-10-31 19:31:21 -04:00
midi.h ALSA: usb-audio: add support for Akai MPD16 2010-05-21 17:12:30 +02:00
mixer.c ALSA: usb-audio - Call get_min_max_*() after determining the name string 2012-05-15 08:35:00 +02:00
mixer.h ALSA: usb-audio: Rename and export mixer_vol_tlv 2012-04-24 08:01:27 +02:00
mixer_maps.c ALSA: snd_usb_audio: ignore ctrl errors on QuickCam Pro for Notebooks 2012-06-20 08:29:08 +02:00
mixer_quirks.c ALSA: usb-audio: Convert table to preferred C99 format 2012-06-11 12:49:56 +02:00
mixer_quirks.h ALSA: usb-mixer: factor out quirks 2010-03-12 12:20:26 +01:00
pcm.c ALSA: usb-audio: Avoid unnecessary EP setups in prepare 2012-09-19 08:08:16 +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: snd-usb: remove refactorization left-overs 2012-04-21 17:40:28 +02:00
proc.h ALSA: usb-audio: refactor code 2010-03-05 08:17:14 +01:00
quirks-table.h ALSA: USB: Support for (original) Xbox Communicator 2012-09-03 10:14:25 +02:00
quirks.c ALSA: snd-usb: Add quirks for Playback Designs devices 2012-09-04 11:31:14 +02:00
quirks.h ALSA: snd-usb: Add quirks for Playback Designs devices 2012-09-04 11:31:14 +02:00
stream.c ALSA: usb-audio: Fix substream assignments 2012-06-08 09:01:37 +02:00
stream.h ALSA: snd-usb: re-order code 2011-09-14 17:07:02 +02:00
usbaudio.h ALSA: snd-usb: implement new endpoint streaming model 2012-04-13 10:23:42 +02:00