Merge tag 'sound-3.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai...

Pull sound fixes from Takashi Iwai:
 "Just a copule of HD-audio device/codec-specific quirks, and a trivial
  replacement of udelay() with mdelay() in the old es18xx driver code.
  All should be safe to apply"

* tag 'sound-3.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda/realtek - Add headset Mic support for Dell machine
  ALSA: hda - add headset mic detect quirk for a Dell laptop
  ALSA: es18xx driver should use udelay error
  ALSA: hda/realtek - Add support of ALC288 codec