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authorManuel Bachmann <manuel.bachmann@iot.bzh>2015-12-28 16:16:12 +0100
committerManuel Bachmann <manuel.bachmann@iot.bzh>2015-12-28 16:16:12 +0100
commit07c775201fbd9477bd4a69cee3d48a95eb612bc6 (patch)
tree48bd25df68a0eb36b7c0dfb428dfc471905c668f /plugins/audio/audio-alsa.c
parent7181ede7add4eb3f5a92f5f8c9fd9cc8fdf6c659 (diff)
Fix Audio plugin loading, mute on Porter/Koelsch
Audio plugin was crashing due to new client context model misuse. Muting/demuting sound did fail on Porter/Koelsch boards, because their audio cards do not obey standards found on desktop systems. Signed-off-by: Manuel Bachmann <manuel.bachmann@iot.bzh>
Diffstat (limited to 'plugins/audio/audio-alsa.c')
-rw-r--r--plugins/audio/audio-alsa.c32
1 files changed, 25 insertions, 7 deletions
diff --git a/plugins/audio/audio-alsa.c b/plugins/audio/audio-alsa.c
index 1f54f244..8a4caf21 100644
--- a/plugins/audio/audio-alsa.c
+++ b/plugins/audio/audio-alsa.c
@@ -37,6 +37,7 @@ PUBLIC unsigned char _alsa_init (const char *name, audioCtxHandleT *ctx) {
snd_mixer_t *mixer;
snd_mixer_selem_id_t *mixer_sid;
snd_mixer_elem_t *mixer_elm;
+ snd_mixer_elem_t *mixer_elm_m;
unsigned int rate = 22050;
long vol, vol_min, vol_max;
int num, i;
@@ -69,6 +70,8 @@ PUBLIC unsigned char _alsa_init (const char *name, audioCtxHandleT *ctx) {
snd_mixer_selem_id_set_name (mixer_sid, "Master");
mixer_elm = snd_mixer_find_selem (mixer, mixer_sid);
+ mixer_elm_m = NULL;
+
if (!mixer_elm) {
/* no "Master" mixer ; we are probably on a board... search ! */
for (mixer_elm = snd_mixer_first_elem (mixer); mixer_elm != NULL;
@@ -76,9 +79,15 @@ PUBLIC unsigned char _alsa_init (const char *name, audioCtxHandleT *ctx) {
if (snd_mixer_elem_info (mixer_elm) < 0)
continue;
snd_mixer_selem_get_id (mixer_elm, mixer_sid);
- if (strstr (snd_mixer_selem_id_get_name (mixer_sid), "Master") ||
- strstr (snd_mixer_selem_id_get_name (mixer_sid), "Playback"))
+ if (strstr (snd_mixer_selem_id_get_name (mixer_sid), "DVC Out")) {
+
+ /* this is Porter... let us found the specific mute switch */
+ snd_mixer_selem_id_set_index (mixer_sid, 0);
+ snd_mixer_selem_id_set_name (mixer_sid, "DVC Out Mute");
+ mixer_elm_m = snd_mixer_find_selem (mixer, mixer_sid);
+
break;
+ }
}
}
@@ -110,6 +119,7 @@ PUBLIC unsigned char _alsa_init (const char *name, audioCtxHandleT *ctx) {
dev_ctx[num]->dev = dev;
dev_ctx[num]->params = params;
dev_ctx[num]->mixer_elm = mixer_elm;
+ dev_ctx[num]->mixer_elm_m = mixer_elm_m;
dev_ctx[num]->vol_max = vol_max;
dev_ctx[num]->vol = vol;
dev_ctx[num]->thr_should_run = 0;
@@ -198,14 +208,17 @@ PUBLIC void _alsa_set_volume_all (unsigned int num, int vol) {
PUBLIC unsigned char _alsa_get_mute (unsigned int num) {
int mute = 0;
+ snd_mixer_elem_t *elm_m;
if (!dev_ctx || !dev_ctx[num] || !dev_ctx[num]->mixer_elm)
return;
- if (snd_mixer_selem_has_playback_switch (dev_ctx[num]->mixer_elm)) {
- snd_mixer_selem_get_playback_switch (dev_ctx[num]->mixer_elm, SND_MIXER_SCHN_FRONT_LEFT, &mute);
- snd_mixer_selem_get_playback_switch (dev_ctx[num]->mixer_elm, SND_MIXER_SCHN_FRONT_RIGHT, &mute);
+ dev_ctx[num]->mixer_elm_m ? (elm_m = dev_ctx[num]->mixer_elm_m) :
+ (elm_m = dev_ctx[num]->mixer_elm);
+ if (snd_mixer_selem_has_playback_switch (elm_m)) {
+ snd_mixer_selem_get_playback_switch (elm_m, SND_MIXER_SCHN_FRONT_LEFT, &mute);
+ snd_mixer_selem_get_playback_switch (elm_m, SND_MIXER_SCHN_FRONT_RIGHT, &mute);
}
return (unsigned char)!mute;
@@ -213,11 +226,16 @@ PUBLIC unsigned char _alsa_get_mute (unsigned int num) {
PUBLIC void _alsa_set_mute (unsigned int num, unsigned char mute) {
+ snd_mixer_elem_t *elm_m;
+
if (!dev_ctx || !dev_ctx[num] || !dev_ctx[num]->mixer_elm || 1 < mute < 0)
return;
- if (snd_mixer_selem_has_playback_switch (dev_ctx[num]->mixer_elm))
- snd_mixer_selem_set_playback_switch_all (dev_ctx[num]->mixer_elm, !mute);
+ dev_ctx[num]->mixer_elm_m ? (elm_m = dev_ctx[num]->mixer_elm_m) :
+ (elm_m = dev_ctx[num]->mixer_elm);
+
+ if (snd_mixer_selem_has_playback_switch (elm_m))
+ snd_mixer_selem_set_playback_switch_all (elm_m, !mute);
}
PUBLIC void _alsa_set_rate (unsigned int num, unsigned int rate) {