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authorFang, Yang A <yang.a.fang@intel.com>2015-05-29 11:56:10 -0700
committerMark Brown <broonie@kernel.org>2015-06-02 18:11:03 +0100
commitbb13f0e08d16a6a303aab786b2aaf2ca76747cfb (patch)
treecc33bc2ce075a98330bb25b4672146acb424ce59 /Documentation/devicetree/bindings/sound
parentb787f68c36d49bb1d9236f403813641efa74a031 (diff)
downloadblackbird-op-linux-bb13f0e08d16a6a303aab786b2aaf2ca76747cfb.tar.gz
blackbird-op-linux-bb13f0e08d16a6a303aab786b2aaf2ca76747cfb.zip
ASoC: max98090: read micbias from device property
This patch reads max98090 micbias from acpi or dt Signed-off-by: Fang, Yang A <yang.a.fang@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/sound')
-rw-r--r--Documentation/devicetree/bindings/sound/max98090.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/max98090.txt b/Documentation/devicetree/bindings/sound/max98090.txt
index aa802a274520..4e3be6682c98 100644
--- a/Documentation/devicetree/bindings/sound/max98090.txt
+++ b/Documentation/devicetree/bindings/sound/max98090.txt
@@ -18,6 +18,12 @@ Optional properties:
- maxim,dmic-freq: Frequency at which to clock DMIC
+- maxim,micbias: Micbias voltage applies to the analog mic, valid voltages value are:
+ 0 - 2.2v
+ 1 - 2.55v
+ 2 - 2.4v
+ 3 - 2.8v
+
Pins on the device (for linking into audio routes):
* MIC1
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