From: Wu Fengguang <fengguang.wu@intel.com>
Date: Sat, 1 Aug 2009 10:45:16 +0000 (+0800)
Subject: ALSA: hda: track CIRB/CORB command/response states for each codec
X-Git-Tag: v2.6.31-rc6~65^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=deadff1665491afce124a8ff83f00f784161f660;p=pandora-kernel.git

ALSA: hda: track CIRB/CORB command/response states for each codec

Recently we hit a bug in our dev board, whose HDMI codec#3 may emit
redundant/spurious responses, which were then taken as responses to
command for another onboard Realtek codec#2, and mess up both codecs.

Extend the azx_rb.cmds and azx_rb.res to array and track each codec's
commands/responses separately. This helps keep good codec safe from
broken ones.

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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