From: Takashi Iwai <tiwai@suse.de>
Date: Fri, 27 Feb 2015 17:17:28 +0000 (+0100)
Subject: ALSA: hda - Implement unbind more safely
X-Git-Tag: omap-for-v4.2/o2_dc~120^2~6^2~43^2~10^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9a6246ff78ac33af78f82704cde6fec361597eea;p=pandora-kernel.git

ALSA: hda - Implement unbind more safely

Now we have all pieces ready, and put them into places:
- add the hda_pcm refcount to azx_pcm_open() and azx_pcm_close(),
- call the most of cleanup code in hda_codec_reset() from the codec
  driver remove,
- call the same code also from the hda_codec object free.

Then the codec driver can be unbound more safely now.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
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