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(parent: 95491d9) | patch
ALSA: hda - Tweak OLPC XO-1.5 microphone bias
authorDaniel Drake <dsd@laptop.org>
Mon, 9 Nov 2009 15:17:24 +0000 (15:17 +0000)
committerTakashi Iwai <tiwai@suse.de>
Tue, 10 Nov 2009 07:36:26 +0000 (08:36 +0100)
commitdbaccc0cca830efe9bb3c9e4a1cfcd6503790079
tree4e344e088acf017d51924897061e4f7db2c854fctree | snapshot
parent95491d902b4ed1bfd8f602aada793d74cc85428bcommit | diff
ALSA: hda - Tweak OLPC XO-1.5 microphone bias

Our contacts at Conexant suggested that we reduce the external
microphone bias to 50% in order to center the input signal with
the DC input range of the codec. This is because the microphone
port is DC coupled for potential use with sensors.

Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/hda/patch_conexant.c diff | blob | history
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