Use mixer's mute switch if possible
@@ -14,6 +14,7 @@ struct AlsaMixerVolumeParams {
range: f64,
min_db: alsa::mixer::MilliBel,
max_db: alsa::mixer::MilliBel,
+ has_switch: bool,
}
#[derive(Clone)]
@@ -47,7 +48,10 @@ impl AlsaMixer {
let hw_mix = selem
.get_playback_vol_db(alsa::mixer::SelemChannelId::mono())
.is_ok();
-
+ let has_switch = selem.has_playback_switch();
+ if min_db != alsa::mixer::MilliBel(SND_CTL_TLV_DB_GAIN_MUTE) {
+ warn!("Alsa min-db is not SND_CTL_TLV_DB_GAIN_MUTE!!");
+ }
info!(
"Alsa Mixer info min: {} ({:?}[dB]) -- max: {} ({:?}[dB]) HW: {:?}",
min, min_db, max, max_db, hw_mix
@@ -75,6 +79,7 @@ impl AlsaMixer {
range: (max - min) as f64,
min_db: min_db,
max_db: max_db,
+ has_switch: has_switch,
},
})
}
@@ -96,6 +101,22 @@ impl AlsaMixer {
match set_volume {
Some(vol) => {
+ if self.params.has_switch {
+ let is_muted = selem
+ .get_playback_switch(alsa::mixer::SelemChannelId::mono())
+ .map(|b| b == 0)
+ .unwrap_or(false);
+ if vol == 0 {
+ debug!("Toggling mute::True");
+ selem.set_playback_switch_all(0).expect("Can't switch mute");
+
+ return Ok(vol);
+ } else if is_muted {
+ debug!("Toggling mute::False");
+ selem.set_playback_switch_all(1).expect("Can't reset mute");
+ }
+ }
+
if self.config.mapped_volume {
// Cubic mapping ala alsamixer
// https://linux.die.net/man/1/alsamixer
