[PATCH] ASoC: max98357a: Add mixer control to mute/unmute speaker

[Mark Brown]

On Thu, Dec 09, 2021 at 12:28:49AM +0530, Ajit Kumar Pandey wrote:

> +static int speaker_mute_put(struct snd_kcontrol *kcontrol,
> +			    struct snd_ctl_elem_value *ucontrol)
> +{
> +	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
> +	struct max98357a_priv *max98357a = snd_soc_component_get_drvdata(component);
> +	int mode = ucontrol->value.enumerated.item[0];
> +
> +	max98357a->sdmode_switch = mode;
> +	gpiod_set_value_cansleep(max98357a->sdmode, mode);
> +	dev_dbg(component->dev, "set sdmode to %d", mode);

This looks like it should just be a DAPM widget - it's just a generic
GPIO control, there's no connection with the CODEC that I can see so it
definitely shouldn't be in the CODEC driver.  Often trivial stuff like
this is done in the machine driver, though the simple-amplifier driver
is probably a good fit here.
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