Add "Playback Switch" mixer control to mute or unmute speaker playback from ucm conf depend on use cases.
Signed-off-by: Ajit Kumar Pandey AjitKumar.Pandey@amd.com --- sound/soc/codecs/max98357a.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+)
diff --git a/sound/soc/codecs/max98357a.c b/sound/soc/codecs/max98357a.c index 918812763884..9b2f16ab4498 100644 --- a/sound/soc/codecs/max98357a.c +++ b/sound/soc/codecs/max98357a.c @@ -73,6 +73,36 @@ static int max98357a_sdmode_event(struct snd_soc_dapm_widget *w, return 0; }
+static int speaker_mute_get(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); + + ucontrol->value.enumerated.item[0] = max98357a->sdmode_switch; + + return 0; +} + +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); + + return 0; +} + +static const struct snd_kcontrol_new max98357a_snd_controls[] = { + SOC_SINGLE_BOOL_EXT("Playback Switch", 0, + speaker_mute_get, speaker_mute_put), +}; + static const struct snd_soc_dapm_widget max98357a_dapm_widgets[] = { SND_SOC_DAPM_OUTPUT("Speaker"), SND_SOC_DAPM_OUT_DRV_E("SD_MODE", SND_SOC_NOPM, 0, 0, NULL, 0, @@ -86,6 +116,8 @@ static const struct snd_soc_dapm_route max98357a_dapm_routes[] = { };
static const struct snd_soc_component_driver max98357a_component_driver = { + .controls = max98357a_snd_controls, + .num_controls = ARRAY_SIZE(max98357a_snd_controls), .dapm_widgets = max98357a_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(max98357a_dapm_widgets), .dapm_routes = max98357a_dapm_routes,