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 nicoleotsuka@gmail.com
.../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