Merge tag 'sound-5.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai...

Pull sound fixes from Takashi Iwai:
 "The only significant change is the regression fixes for the jack
  detection at resume on HD-audio, while others are all small or trivial
  fixes like the coverage of missing error code or usual HD-audio quirk"

* tag 'sound-5.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda/realtek: Enable headset MIC of Acer AIO with ALC286
  ALSA: hda - Enforces runtime_resume after S3 and S4 for each codec
  ALSA: hda - Don't trigger jackpoll_work in azx_resume
  ALSA: opl3: fix mismatch between snd_opl3_drum_switch definition and declaration
  ALSA: hda - add Lenovo IdeaCentre B550 to the power_save_blacklist
  ALSA: firewire-motu: use 'version' field of unit directory to identify model
  ALSA: sb8: add a check for request_region
  ALSA: echoaudio: add a check for ioremap_nocache