Merge tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "This contains unexpectedly many changes in a wide range due to the
  fixes for races at disconnection of USB audio devices.  In the end, we
  end up covering fairly core parts of sound subsystem.

  Other than that, just a few usual small fixes."

* tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: ice1724: Fix rate setup after resume
  ALSA: Avoid endless sleep after disconnect
  ALSA: Add a reference counter to card instance
  ALSA: usb-audio: Fix races at disconnection in mixer_quirks.c
  ALSA: usb-audio: Use rwsem for disconnect protection
  ALSA: usb-audio: Fix races at disconnection
  ALSA: PCM: Fix some races at disconnection
  ASoC: omap-dmic: Correct functional clock name
  ASoC: zoom2: Fix compile error by including correct header files
  ALSA: hda - Fix mute-LED setup for HP dv5 laptop