ALSA: hda - Exclude unusable ADCs for ALC88x

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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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This commit is contained in:

Takashi Iwai 2009-12-08 12:52:47 +01:00

parent 23033b2bce

commit d11f74c62f

1 changed files with 12 additions and 1 deletions

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sound/pci/hda/patch_realtek.c

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