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-rw-r--r--src/modules/module-alsa-sink.c20
-rw-r--r--src/modules/module-alsa-source.c21
2 files changed, 24 insertions, 17 deletions
diff --git a/src/modules/module-alsa-sink.c b/src/modules/module-alsa-sink.c
index a4180d30..8f907745 100644
--- a/src/modules/module-alsa-sink.c
+++ b/src/modules/module-alsa-sink.c
@@ -1474,14 +1474,15 @@ int pa__init(pa_module*m) {
pa_assert(u->mixer_elem);
if (snd_mixer_selem_has_playback_volume(u->mixer_elem)) {
- pa_bool_t suitable = TRUE;
+ pa_bool_t suitable = FALSE;
- if (snd_mixer_selem_get_playback_volume_range(u->mixer_elem, &u->hw_volume_min, &u->hw_volume_max) < 0) {
+ if (snd_mixer_selem_get_playback_volume_range(u->mixer_elem, &u->hw_volume_min, &u->hw_volume_max) < 0)
pa_log_info("Failed to get volume range. Falling back to software volume control.");
- suitable = FALSE;
- } else {
+ else if (u->hw_volume_min >= u->hw_volume_max)
+ pa_log_warn("Your kernel driver is broken: it reports a volume range from %li to %li which makes no sense.", u->hw_volume_min, u->hw_volume_max);
+ else {
pa_log_info("Volume ranges from %li to %li.", u->hw_volume_min, u->hw_volume_max);
- pa_assert(u->hw_volume_min < u->hw_volume_max);
+ suitable = TRUE;
}
if (snd_mixer_selem_get_playback_dB_range(u->mixer_elem, &u->hw_dB_min, &u->hw_dB_max) < 0)
@@ -1492,9 +1493,12 @@ int pa__init(pa_module*m) {
VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_max, sizeof(u->hw_dB_max));
#endif
- pa_log_info("Volume ranges from %0.2f dB to %0.2f dB.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0);
- pa_assert(u->hw_dB_min < u->hw_dB_max);
- u->hw_dB_supported = TRUE;
+ if (u->hw_dB_min >= u->hw_dB_max)
+ pa_log_warn("Your kernel driver is broken: it reports a volume range from %0.2f dB to %0.2f dB which makes no sense.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0);
+ else {
+ pa_log_info("Volume ranges from %0.2f dB to %0.2f dB.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0);
+ u->hw_dB_supported = TRUE;
+ }
}
if (suitable &&
diff --git a/src/modules/module-alsa-source.c b/src/modules/module-alsa-source.c
index 6492839f..d5e21704 100644
--- a/src/modules/module-alsa-source.c
+++ b/src/modules/module-alsa-source.c
@@ -1295,14 +1295,15 @@ int pa__init(pa_module*m) {
pa_assert(u->mixer_elem);
if (snd_mixer_selem_has_capture_volume(u->mixer_elem)) {
- pa_bool_t suitable = TRUE;
+ pa_bool_t suitable = FALSE;
- if (snd_mixer_selem_get_capture_volume_range(u->mixer_elem, &u->hw_volume_min, &u->hw_volume_max) < 0) {
+ if (snd_mixer_selem_get_capture_volume_range(u->mixer_elem, &u->hw_volume_min, &u->hw_volume_max) < 0)
pa_log_info("Failed to get volume range. Falling back to software volume control.");
- suitable = FALSE;
- } else {
+ else if (u->hw_volume_min >= u->hw_volume_max)
+ pa_log_warn("Your kernel driver is broken: it reports a volume range from %li to %li which makes no sense.", u->hw_volume_min, u->hw_volume_max);
+ else {
pa_log_info("Volume ranges from %li to %li.", u->hw_volume_min, u->hw_volume_max);
- pa_assert(u->hw_volume_min < u->hw_volume_max);
+ suitable = TRUE;
}
if (snd_mixer_selem_get_capture_dB_range(u->mixer_elem, &u->hw_dB_min, &u->hw_dB_max) < 0)
@@ -1313,9 +1314,12 @@ int pa__init(pa_module*m) {
VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_max, sizeof(u->hw_dB_max));
#endif
- pa_log_info("Volume ranges from %0.2f dB to %0.2f dB.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0);
- pa_assert(u->hw_dB_min < u->hw_dB_max);
- u->hw_dB_supported = TRUE;
+ if (u->hw_dB_min >= u->hw_dB_max)
+ pa_log_warn("Your kernel driver is broken: it reports a volume range from %0.2f dB to %0.2f dB which makes no sense.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0);
+ else {
+ pa_log_info("Volume ranges from %0.2f dB to %0.2f dB.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0);
+ u->hw_dB_supported = TRUE;
+ }
}
if (suitable &&
@@ -1326,7 +1330,6 @@ int pa__init(pa_module*m) {
suitable = FALSE;
}
-
if (suitable) {
u->mixer_seperate_channels = pa_alsa_calc_mixer_map(u->mixer_elem, &map, u->mixer_map, FALSE) >= 0;