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alsa: store mixer controls to use in profile data

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This allows us to easily use different mixer controls for analog and
spdif output.
This commit is contained in:
Lennart Poettering 2009-04-13 22:46:39 +02:00
parent 89f74cb858
commit 6fd8fd18c2
4 changed files with 48 additions and 19 deletions
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10
src/modules/alsa/alsa-util.h
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@ -53,18 +53,20 @@ int pa_alsa_set_hw_params(
int pa_alsa_set_sw_params(snd_pcm_t *pcm, snd_pcm_uframes_t avail_min);
int pa_alsa_prepare_mixer(snd_mixer_t *mixer, const char *dev);
snd_mixer_elem_t *pa_alsa_find_elem(snd_mixer_t *mixer, const char *name, const char *fallback, pa_bool_t playback);
int pa_alsa_find_mixer_and_elem(snd_pcm_t *pcm, snd_mixer_t **_m, snd_mixer_elem_t **_e, const char *control_name);
typedef struct pa_alsa_profile_info {
pa_channel_map map;
const char *alsa_name;
const char *description; /* internationalized */
const char *name;
unsigned priority;
const char *playback_control_name, *playback_control_fallback;
const char *record_control_name, *record_control_fallback;
} pa_alsa_profile_info;
int pa_alsa_prepare_mixer(snd_mixer_t *mixer, const char *dev);
snd_mixer_elem_t *pa_alsa_find_elem(snd_mixer_t *mixer, const char *name, const char *fallback, pa_bool_t playback);
int pa_alsa_find_mixer_and_elem(snd_pcm_t *pcm, snd_mixer_t **_m, snd_mixer_elem_t **_e, const char *control_name, const pa_alsa_profile_info*profile);
/* Picks a working profile based on the specified ss/map */
snd_pcm_t *pa_alsa_open_by_device_id_auto(
const char *dev_id,