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alsa: Integrate UCM basic functions

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UCM basic functions will provide another way to handle the alsa mixer
and controls. That means alsa card module will make use of alsa ucm
configurations provided by various audio systems instead of mixer and
paths configurations provided by PA. PA profiles come from UCM verb, PA
sinks/sources and ports come from UCM devices.

In case the proper UCM configurations are found, ucm branches are
activated, or we will still fall through to the original way.

Signed-off-by: Feng Wei <wei.feng@freescale.com>
This commit is contained in:
Feng Wei 2012-07-05 12:53:21 +08:00 • committed by Arun Raghavan
parent 7369a53ab5
commit c19d108219
8 changed files with 1687 additions and 37 deletions
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6
src/modules/alsa/alsa-mixer.h
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@ -48,6 +48,7 @@ typedef struct pa_alsa_profile_set pa_alsa_profile_set;
typedef struct pa_alsa_port_data pa_alsa_port_data;
#include "alsa-util.h"
#include "alsa-ucm.h"
typedef enum pa_alsa_switch_use {
PA_ALSA_SWITCH_IGNORE,
@ -265,6 +266,9 @@ struct pa_alsa_mapping {
pa_sink *sink;
pa_source *source;
/* ucm device context*/
pa_alsa_ucm_mapping_context ucm_context;
};
struct pa_alsa_profile {
@ -314,11 +318,13 @@ struct pa_alsa_profile_set {
void pa_alsa_mapping_dump(pa_alsa_mapping *m);
void pa_alsa_profile_dump(pa_alsa_profile *p);
void pa_alsa_decibel_fix_dump(pa_alsa_decibel_fix *db_fix);
pa_alsa_mapping *pa_alsa_mapping_get(pa_alsa_profile_set *ps, const char *name);
pa_alsa_profile_set* pa_alsa_profile_set_new(const char *fname, const pa_channel_map *bonus);
void pa_alsa_profile_set_probe(pa_alsa_profile_set *ps, const char *dev_id, const pa_sample_spec *ss, unsigned default_n_fragments, unsigned default_fragment_size_msec);
void pa_alsa_profile_set_free(pa_alsa_profile_set *s);
void pa_alsa_profile_set_dump(pa_alsa_profile_set *s);
void pa_alsa_profile_set_drop_unsupported(pa_alsa_profile_set *s);
snd_mixer_t *pa_alsa_open_mixer_for_pcm(snd_pcm_t *pcm, char **ctl_device, snd_hctl_t **hctl);