From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 8 Dec 2009 11:52:47 +0000 (+0100)
Subject: ALSA: hda - Exclude unusable ADCs for ALC88x
X-Git-Tag: v2.6.33-rc1~336^2~1^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d11f74c62fb4a1fefd39085570fb6dfa7b9ab2bb;p=pandora-kernel.git

ALSA: hda - Exclude unusable ADCs for ALC88x

On Realtek codecs, a digital mic pin is connected often only to a single
ADC.  But the parser tries to set up all ADCs no matter whether the
digital mic is available, and results in non-selectable input source.

This patch adds a check of input-source availability of each ADC, and
excludes ones that don't support all input sources.

Reference: Novell bnc#561235
	http://bugzilla.novell.com/show_bug.cgi?id=561235

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