diff options
Diffstat (limited to 'sound/soc/sof/control.c')
| -rw-r--r-- | sound/soc/sof/control.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/sound/soc/sof/control.c b/sound/soc/sof/control.c index 2b8711eda362..7baf7f1507c3 100644 --- a/sound/soc/sof/control.c +++ b/sound/soc/sof/control.c @@ -11,8 +11,39 @@ /* Mixer Controls */ #include <linux/pm_runtime.h> +#include <linux/leds.h> #include "sof-priv.h" +static void update_mute_led(struct snd_sof_control *scontrol, + struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + unsigned int temp = 0; + unsigned int mask; + int i; + + mask = 1U << snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); + + for (i = 0; i < scontrol->num_channels; i++) { + if (ucontrol->value.integer.value[i]) { + temp |= mask; + break; + } + } + + if (temp == scontrol->led_ctl.led_value) + return; + + scontrol->led_ctl.led_value = temp; + +#if IS_REACHABLE(CONFIG_LEDS_TRIGGER_AUDIO) + if (!scontrol->led_ctl.direction) + ledtrig_audio_set(LED_AUDIO_MUTE, temp ? LED_OFF : LED_ON); + else + ledtrig_audio_set(LED_AUDIO_MICMUTE, temp ? LED_OFF : LED_ON); +#endif +} + static inline u32 mixer_to_ipc(unsigned int value, u32 *volume_map, int size) { if (value >= size) @@ -118,6 +149,9 @@ int snd_sof_switch_put(struct snd_kcontrol *kcontrol, cdata->chanv[i].value = value; } + if (scontrol->led_ctl.use_led) + update_mute_led(scontrol, kcontrol, ucontrol); + /* notify DSP of mixer updates */ if (pm_runtime_active(sdev->dev)) snd_sof_ipc_set_get_comp_data(sdev->ipc, scontrol, |