diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/modules/alsa/alsa-mixer.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/modules/alsa/alsa-mixer.c b/src/modules/alsa/alsa-mixer.c index 41997a79..3eef5f9c 100644 --- a/src/modules/alsa/alsa-mixer.c +++ b/src/modules/alsa/alsa-mixer.c @@ -2400,6 +2400,7 @@ int pa_alsa_path_probe(pa_alsa_path *p, snd_mixer_t *m, pa_bool_t ignore_dB) { pa_alsa_element *e; double min_dB[PA_CHANNEL_POSITION_MAX], max_dB[PA_CHANNEL_POSITION_MAX]; pa_channel_position_t t; + pa_channel_position_mask_t path_volume_channels = 0; pa_assert(p); pa_assert(m); @@ -2436,6 +2437,7 @@ int pa_alsa_path_probe(pa_alsa_path *p, snd_mixer_t *m, pa_bool_t ignore_dB) { if (PA_CHANNEL_POSITION_MASK(t) & e->merged_mask) { min_dB[t] = e->min_dB; max_dB[t] = e->max_dB; + path_volume_channels |= PA_CHANNEL_POSITION_MASK(t); } p->has_dB = TRUE; @@ -2446,6 +2448,7 @@ int pa_alsa_path_probe(pa_alsa_path *p, snd_mixer_t *m, pa_bool_t ignore_dB) { if (PA_CHANNEL_POSITION_MASK(t) & e->merged_mask) { min_dB[t] += e->min_dB; max_dB[t] += e->max_dB; + path_volume_channels |= PA_CHANNEL_POSITION_MASK(t); } } else { /* Hmm, there's another element before us @@ -2484,11 +2487,13 @@ int pa_alsa_path_probe(pa_alsa_path *p, snd_mixer_t *m, pa_bool_t ignore_dB) { p->max_dB = -INFINITY; for (t = 0; t < PA_CHANNEL_POSITION_MAX; t++) { - if (p->min_dB > min_dB[t]) - p->min_dB = min_dB[t]; + if (path_volume_channels & PA_CHANNEL_POSITION_MASK(t)) { + if (p->min_dB > min_dB[t]) + p->min_dB = min_dB[t]; - if (p->max_dB < max_dB[t]) - p->max_dB = max_dB[t]; + if (p->max_dB < max_dB[t]) + p->max_dB = max_dB[t]; + } } return 0; |