On 9/16/2018 5:57 PM, srinivas.kandagatla@linaro.org wrote:
From: Srinivas Kandagatla srinivas.kandagatla@linaro.org
This patch add new bindings required to support MBHC (Multi Button Headset Control) block in the codec. This block is used for jack insert/removal detection, headset type detection and 8 button press/release events.
All these properties are very much specific to board.
Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org
.../devicetree/bindings/sound/qcom,wcd9335.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/qcom,wcd9335.txt b/Documentation/devicetree/bindings/sound/qcom,wcd9335.txt index 5d6ea66..a95a8b4 100644 --- a/Documentation/devicetree/bindings/sound/qcom,wcd9335.txt +++ b/Documentation/devicetree/bindings/sound/qcom,wcd9335.txt @@ -55,6 +55,26 @@ Required properties with SLIMbus Interface:
+- qcom,hphl-jack-type-normally-open:
- Usage: Optional, only required if headset button support required.
...only required if headset insertion/removal support required
- Value type: <boolean>
- Definition: present if hphl pin on jack is a NO (Normally Open).
If not specified, then its assumed that hphl pin on jackis NC (Normally Closed).+- qcom,gnd-jack-type-normally-open:
- Usage: Optional, only required if headset button support required.
...only required if headset insertion/removal support required.
- Value type: <boolean>
- Definition: present if gnd pin on jack is NO (Normally Open).
If not specified, then its assumed that gnd pin onjack is NC (Normally Closed).
Ground pin may not be present on most of the headset jacks. So we cannot assume the type is NC if not specified in the device tree.
Usage: required Value type: <phandle>
- vdd-buck-supply: