ALSA: hda - add controls to toggle DC bias on mic ports

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This patch adds a mixer control for the STAC92XX boards to control the
DC bias of mic ports, allowing recording from both powered and
non-powered sources.  It replaces the "Mic Output Switch" with "Mic Jack
Mode" to switch between Mic, Line In, and Line Out.

Signed-off-by: Nickolas Lloyd <ultrageek.lloyd@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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Nickolas Lloyd 2009-05-15 15:33:30 +02:00 • committed by Takashi Iwai

parent 7442f9dadb

commit 2fc9989079

1 changed files with 107 additions and 4 deletions

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sound/pci/hda/patch_sigmatel.c

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