[PATCH] ASoC: Intel: Boards: Support headset button function for nau88l25max and nau88l25ssm

[Pierre-Louis Bossart]

On 5/7/20 5:03 PM, Radoslaw Biernacki wrote:
> Map the buttons from the Android reference headset to
> KEY_PLAYPAUSE, KEY_VOICECOMMAND, KEY_VOLUMEUP, and KEY_VOLUMEDOWN.
> KEY_PLAYPAUSE is used instead of KEY_MEDIA for BTN_0 as it is more
> logical and have much broader userspace support. Like Chrome OS
> use it to play/pause of video and audio. KEY_PLAYPAUSE is also
> supported by Android (USB headset spec requires KEY_PLAYPAUSE
> for BTN_0.)
> https://source.android.com/devices/accessories/headset/usb-headset-spec
> 
> Signed-off-by: Chinyue Chen <chinyue at chromium.org>
> Signed-off-by: Benson Leung <bleung at chromium.org>
> Signed-off-by: Radoslaw Biernacki <rad at semihalf.com>

Acked-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>