[alsa-devel] [PATCH 0/3] USB-audio disconnection lockdep fixes

Takashi Iwai tiwai at suse.de
Wed Aug 26 16:16:06 CEST 2015


Hi,

this is a series of patches for USB-audio to improve the lock
handling at disconnection.  Originally it was aimed to get rid of
spurious lockdep warnings, but this ended up with the rewrite and
improvement of locking code at disconnection and its checks in the
mixer and PCM codes.


Takashi

===

Takashi Iwai (3):
  ALSA: usb-audio: Avoid nested autoresume calls
  ALSA: usb-audio: Replace probing flag with active refcount
  ALSA: usb-audio: Handle normal and auto-suspend equally

 sound/usb/card.c         | 108 ++++++++++++++++++++++------------------
 sound/usb/endpoint.c     |  10 ++--
 sound/usb/mixer.c        |  32 ++++--------
 sound/usb/mixer_quirks.c | 126 ++++++++++++++++++++---------------------------
 sound/usb/pcm.c          |  32 ++++++------
 sound/usb/proc.c         |   4 +-
 sound/usb/usbaudio.h     |  11 +++--
 7 files changed, 155 insertions(+), 168 deletions(-)

-- 
2.5.0



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