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alsa_mixer: pass default device to config_get_block_string()

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Instead of replacing NULL with the default device in the open()
method, pass the default device to config_get_block_string().
This commit is contained in:
Max Kellermann 2009-03-26 19:49:26 +01:00
parent f06f049cd8
commit 331b714a7a
1 changed files with 7 additions and 14 deletions
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21
src/mixer/alsa_mixer.c
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@ -47,8 +47,10 @@ alsa_mixer_init(const struct config_param *param)
mixer_init(&am->base, &alsa_mixer);
am->device = config_get_block_string(param, "mixer_device", NULL);
am->control = config_get_block_string(param, "mixer_control", NULL);
am->device = config_get_block_string(param, "mixer_device",
VOLUME_MIXER_ALSA_DEFAULT);
am->control = config_get_block_string(param, "mixer_control",
VOLUME_MIXER_ALSA_CONTROL_DEFAULT);
am->handle = NULL;
am->elem = NULL;
@ -81,12 +83,7 @@ alsa_mixer_open(struct mixer *data)
struct alsa_mixer *am = (struct alsa_mixer *)data;
int err;
snd_mixer_elem_t *elem;
const char *control_name = VOLUME_MIXER_ALSA_CONTROL_DEFAULT;
const char *device = VOLUME_MIXER_ALSA_DEFAULT;
if (am->device) {
device = am->device;
}
err = snd_mixer_open(&am->handle, 0);
snd_config_update_free_global();
if (err < 0) {
@ -94,7 +91,7 @@ alsa_mixer_open(struct mixer *data)
return false;
}
if ((err = snd_mixer_attach(am->handle, device)) < 0) {
if ((err = snd_mixer_attach(am->handle, am->device)) < 0) {
g_warning("problems attaching alsa mixer: %s\n",
snd_strerror(err));
alsa_mixer_close(data);
@ -118,13 +115,9 @@ alsa_mixer_open(struct mixer *data)
elem = snd_mixer_first_elem(am->handle);
if (am->control) {
control_name = am->control;
}
while (elem) {
if (snd_mixer_elem_get_type(elem) == SND_MIXER_ELEM_SIMPLE) {
if (strcasecmp(control_name,
if (strcasecmp(am->control,
snd_mixer_selem_get_name(elem)) == 0) {
break;
}
@ -140,7 +133,7 @@ alsa_mixer_open(struct mixer *data)
return true;
}
g_warning("can't find alsa mixer control \"%s\"\n", control_name);
g_warning("can't find alsa mixer control \"%s\"\n", am->control);
alsa_mixer_close(data);
return false;