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SubjectRe: [PATCH v3 10/13] ASoC: dt-bindings: Add WCD9335 MBHC specific properties
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Thanks for your review,

On 10/09/18 21:06, Rob Herring wrote:
> On Tue, Sep 04, 2018 at 11:24:57AM +0100, Srinivas Kandagatla wrote:
>> 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>
>> ---
>> .../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 5d6ea66a863f..4d56c3ca9fa8 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:
>> Value type: <string>
>> Definition: Must contain "mclk", "mclk2" and "slimbus" strings.
>>
>> +- o qcom,mbhc-vthreshold:
>
> Needs unit suffix.

Make sense, I will modify it

qcom,mbhc-vthreshold-millivolt

>
>
>> + Usage: Optional, only required if headset button support required.
>> + Value type: <u32 array>
>> + Definition: Must contain an array of 8 threshold voltages in mV for
>> + 8 buttons detection on headset.
>> +
>> +- qcom,hphl-jack-type-normally-open:
>> + Usage: Optional, only required if headset button support required.
>
> It's not required if the pin is NC, right?


>
>> + 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 jack
>> + is NC (Normally Closed).
>
> Is the not specified case the more common case? If not, it should be.
Yes, that is correct. In normal uscases we do not need these properties.
>
>> +
>> +- qcom,gnd-jack-type-normally-open:
>> + Usage: Optional, only required if headset button support required.
>
> Same here.

>
>> + Value type: <boolean>
>> + Definition: present if gnd pin on jack is NO (Normally Open).
>> + If not specified, then its assumed that gnd pin on
>> + jack is NC (Normally Closed).
>> +
>> - vdd-buck-supply:
>> Usage: required
>> Value type: <phandle>
>> --
>> 2.18.0
>>

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