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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)
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>

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