[alsa-devel] [PATCH 1/2] ASoC: AMD: Support headset button on Stoney DA7219

[Daniel Kurtz]

Hi Akshu,

On Fri, Mar 30, 2018 at 4:05 AM Akshu Agrawal <akshu.agrawal at amd.com> wrote:

> Adds headset button support.

> TEST=Tested Volume UP/Down functionality

> Signed-off-by: Akshu Agrawal <akshu.agrawal at amd.com>
> ---
>    sound/soc/amd/acp-da7219-max98357a.c | 8 ++++++++
>    1 file changed, 8 insertions(+)

> diff --git a/sound/soc/amd/acp-da7219-max98357a.c
b/sound/soc/amd/acp-da7219-max98357a.c
> index b205c78..d9491e1 100644
> --- a/sound/soc/amd/acp-da7219-max98357a.c
> +++ b/sound/soc/amd/acp-da7219-max98357a.c
> @@ -33,6 +33,7 @@
>    #include <linux/gpio.h>
>    #include <linux/module.h>
>    #include <linux/i2c.h>
> +#include <linux/input.h>
>    #include <linux/acpi.h>

>    #include "../codecs/da7219.h"
> @@ -51,6 +52,7 @@ static int cz_da7219_init(struct snd_soc_pcm_runtime
*rtd)
>           struct snd_soc_card *card = rtd->card;
>           struct snd_soc_dai *codec_dai = rtd->codec_dai;
>           struct snd_soc_component *component = codec_dai->component;
> +       struct snd_soc_jack *jack;

>           dev_info(rtd->dev, "codec dai name = %s\n", codec_dai->name);

> @@ -80,6 +82,12 @@ static int cz_da7219_init(struct snd_soc_pcm_runtime
*rtd)
>                   return ret;
>           }

> +       jack = &cz_jack;
> +       snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_MEDIA);

I think this should be KEY_PLAYPAUSE.

Thanks!
-Dan