lkml.org 
[lkml]   [2018]   [Sep]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v3 10/13] ASoC: dt-bindings: Add WCD9335 MBHC specific properties
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.
>
> +- qcom,mbhc-vthreshold:

Needs unit suffix.

> + 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.

> +
> +- 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
>

\
 
 \ /
  Last update: 2018-09-10 22:07    [W:0.112 / U:14.168 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site