On Tue, Feb 19, 2019 at 8:12 AM Bogdan Togorean <bogdan.togorean@gmail.com> wrote:
Add MICBIAS property to the optional devicetree bindings.
Signed-off-by: Bogdan Togorean <bogdan.togorean@gmail.com> --- Documentation/devicetree/bindings/sound/adi,adau1977.txt | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/adi,adau1977.txt b/Documentation/devicetree/bindings/sound/adi,adau1977.txt index e79aeef73f28..87c16e6f2e7c 100644 --- a/Documentation/devicetree/bindings/sound/adi,adau1977.txt +++ b/Documentation/devicetree/bindings/sound/adi,adau1977.txt @@ -23,6 +23,12 @@ Optional properties: - DVDD-supply: supply voltage for the digital core, please consult Documentation/devicetree/bindings/regulator/regulator.txt
+- adi,micbias: configures the voltage setting for the MICBIAS pin. + Select 0/1/2/3/4/5/6/7/8 to specify MICBIAS voltage + 5V/5.5V/6V/6.5V/7V/7.5V/8V/8.5V/9V + If not specified the default value will be "7" meaning 8.5 Volts. + This property is only valid for the ADAU1977
There's no shortage of mic bias properties for codecs. We should define a common property for this. But looks like this is already applied, so what's one more... Rob