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android_kernel_google_msm/sound/usb
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Takashi Iwai 740ccbaa57 ALSA: usb-audio: Fix missing autopm for MIDI input 
commit f5f165418c upstream.

The commit [88a8516a: ALSA: usbaudio: implement USB autosuspend] added
the support of autopm for USB MIDI output, but it didn't take the MIDI
input into account.

This patch adds the following for fixing the autopm:
- Manage the URB start at the first MIDI input stream open, instead of
  the time of instance creation
- Move autopm code to the common substream_open()
- Make snd_usbmidi_input_start/_stop() more robust and add the running
  state check

Reviewd-by: Clemens Ladisch <clemens@ladisch.de>
Tested-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-11 09:06:49 -08:00
..
6fire ALSA: snd-usb-6fire: add analog input volume control 2012-02-22 15:51:26 +01:00
caiaq ALSA: snd-usb-caiaq: initialize card pointer 2012-12-03 11:46:36 -08:00
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
card.c ALSA: usb-audio: Fix mutex deadlock at disconnection 2012-11-17 13:16:36 -08:00
card.h ALSA: usb-audio: Fix races at disconnection 2012-11-17 13:16:12 -08:00
clock.c ALSA: snd-usb: fix clock source validity index 2012-08-09 08:31:51 -07:00
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: Fix races at disconnection 2012-11-17 13:16:12 -08:00
endpoint.h ALSA: snd-usb: move code from urb.c to endpoint.c 2011-09-14 17:07:03 +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
helper.c ALSA: usb-audio: increase control transfer timeout 2011-09-27 09:21:48 +02:00
helper.h ALSA: usb-audio: increase control transfer timeout 2011-09-27 09:21:48 +02:00
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
midi.c ALSA: usb-audio: Fix missing autopm for MIDI input 2013-01-11 09:06:49 -08:00
midi.h
mixer.c ALSA: usb-audio: Use rwsem for disconnect protection 2012-11-17 13:16:12 -08:00
mixer.h ALSA: snd-usb: operate on given mixer interface only 2011-08-04 16:24:10 +02:00
mixer_maps.c ALSA: usb-audio: unify constants from specification 2010-05-31 18:17:22 +02:00
mixer_quirks.c ALSA: usb-audio: Fix races at disconnection in mixer_quirks.c 2012-11-17 13:16:13 -08:00
mixer_quirks.h
pcm.c ALSA: usb-audio: Use rwsem for disconnect protection 2012-11-17 13:16:12 -08:00
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: Fix races at disconnection 2012-11-17 13:16:12 -08:00
proc.h
quirks-table.h ALSA: USB: Support for (original) Xbox Communicator 2012-10-13 05:38:52 +09:00
quirks.c ALSA: usb-audio: avoid integer overflow in create_fixed_stream_quirk() 2012-02-15 14:58:15 +01:00
quirks.h
stream.c ALSA: snd-usb: move code from urb.c to endpoint.c 2011-09-14 17:07:03 +02:00
stream.h ALSA: snd-usb: re-order code 2011-09-14 17:07:02 +02:00
usbaudio.h ALSA: usb-audio: Use rwsem for disconnect protection 2012-11-17 13:16:12 -08:00