Thread (1 message) 1 message, 1 author, 2016-02-22

Re: [PATCH 1/3] dt/bindings: Add 'nvidia,hd-no-invert' option

From: Jonathan Tinkham <hidden>
Date: 2016-02-22 21:12:15
Also in: alsa-devel, linux-tegra

Oh! I see now. That should actually work, will test quickly and see.

On 02/22/2016 12:48 PM, Stephen Warren wrote:
On 02/21/2016 11:24 PM, Jonathan Tinkham wrote:
quoted
Document an option to not invert the headphone detect GPIO signal
quoted
diff --git 
a/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-max98090.txt 
b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-max98090.txt 
quoted
  Optional properties:
  - nvidia,hp-det-gpios : The GPIO that detect headphones are plugged in
+- nvidia,hd-no-invert : Do not invert headphone detect signal
We should use "hp" not "hd" to be consistent with other properties.

Why can't we use the GPIO specifier's ACTIVE_LOW/ACTIVE_HIGH flag to 
represent the polarity of this signal?
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