asoc: tegra: Disable MIC_BIAS route
authorSimon Je <sje@nvidia.com>
Mon, 22 Apr 2013 12:06:29 +0000 (21:06 +0900)
committerMrutyunjay Sawant <msawant@nvidia.com>
Wed, 24 Apr 2013 11:10:28 +0000 (04:10 -0700)
commit0952936ca0d2e46e8707b437ccd7a8a6c11c7a97
tree0b5e2a7e70588b0e90fdcfa5ab56b38d9611a0c4
parente721926c949d5816d1ab92bbaaf7b366d98c96da
asoc: tegra: Disable MIC_BIAS route

Tegratab doesn't have circuit to control MIC_BIAS by GPIO.
Diable MIC_BIAS route in codec when built-in MIC(DMIC) is used
to prevent noise.

Bug 1273574

Change-Id: Iecc1f0e6a0f9b508d14acdf1c7dac9107c8748d9
Signed-off-by: Simon Je <sje@nvidia.com>
Reviewed-on: http://git-master/r/221580
GVS: Gerrit_Virtual_Submit
Reviewed-by: Scott Peterson <speterson@nvidia.com>
sound/soc/tegra/tegra_rt5640.c