On Mon, Jun 20, 2016 at 06:54:44PM -0700, Nicolin Chen wrote: > The codec chip has a physical MUTE pin to let users control it via > GPIO. So this patch add a mute control support to the driver. > > Signed-off-by: Nicolin Chen <[email protected]> > --- > .../devicetree/bindings/sound/cs53l30.txt | 2 ++ > sound/soc/codecs/cs53l30.c | 30 > ++++++++++++++++++++++ > sound/soc/codecs/cs53l30.h | 1 + > 3 files changed, 33 insertions(+) > > diff --git a/Documentation/devicetree/bindings/sound/cs53l30.txt > b/Documentation/devicetree/bindings/sound/cs53l30.txt > index 18d6b99..6f7d3c8 100644 > --- a/Documentation/devicetree/bindings/sound/cs53l30.txt > +++ b/Documentation/devicetree/bindings/sound/cs53l30.txt > @@ -13,6 +13,8 @@ Optional properties: > > - reset-gpios : a GPIO spec for the reset pin. > > + - mute-gpios : a GPIO spec for the MUTE pin.
Please define the active state for the gpio. > + > - cirrus,micbias-lvl : Set the output voltage level on the MICBIAS Pin. > 0 = Hi-Z > 1 = 1.80 V
