status

Commit: a563cf4d75cd5bca4907c389cb77f30a4fdfa11f
Parent: c178e95283eddd9eee1199eef7106bdd8880dc53
Author: opask
Date:   Tue,  2 Apr 2019 10:43:14 -0600

getvol(): return -1 when volume is muted

Diffstat:
M
linux.c
 | 
5
++++-

1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/linux.c b/linux.c
@@ -13,6 +13,7 @@ getvol(const char *card, const char *output)
 	snd_mixer_selem_id_t *sid;
 	snd_mixer_elem_t *elem;
 
+	int notmuted;
 	long vol, min, max;
 
 	snd_mixer_open(&handle, 0);
@@ -27,13 +28,15 @@ getvol(const char *card, const char *output)
 
 	snd_mixer_selem_get_playback_volume(elem, SND_MIXER_SCHN_MONO, &vol);
 	snd_mixer_selem_get_playback_volume_range(elem, &min, &max);
+	snd_mixer_selem_get_playback_switch(elem, 0, &notmuted);
 
 	/* covert from raw value to percent */
 	vol = (double)(vol - min) / (double)(max - min) * 100;
 
 	snd_mixer_close(handle);
 	snd_mixer_selem_id_free(sid);
-	return (int)vol;
+
+	return notmuted ? (int)vol : -1;
 }
 
 char *