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alsa-mixer: Handle the index for ALSA mixer jack identifiers

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Some systems have two jacks with same name but different index, we need
to take index into consideration to use both jacks.

Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/272>
This commit is contained in:
Kai-Heng Feng 2020-12-22 13:39:05 +08:00 • committed by PulseAudio Marge Bot
parent 3ecea410d7
commit aad2fca0c9
6 changed files with 73 additions and 58 deletions
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6
src/modules/alsa/alsa-mixer.h
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@ -115,6 +115,8 @@ struct pa_alsa_mixer_id {
int index;
};
char *pa_alsa_mixer_id_to_string(char *dst, size_t dst_len, pa_alsa_mixer_id *id);
/* An option belongs to an element and refers to one enumeration item
* of the element is an enumeration item, or a switch status if the
* element is a switch item. */
@ -179,8 +181,8 @@ struct pa_alsa_jack {
snd_mixer_t *mixer_handle;
char *mixer_device_name;
struct pa_alsa_mixer_id alsa_id;
char *name; /* E g "Headphone" */
char *alsa_name; /* E g "Headphone Jack" */
bool has_control; /* is the jack itself present? */
bool plugged_in; /* is this jack currently plugged in? */
snd_mixer_elem_t *melem; /* Jack detection handle */
@ -196,7 +198,7 @@ struct pa_alsa_jack {
bool append_pcm_to_name;
};
pa_alsa_jack *pa_alsa_jack_new(pa_alsa_path *path, const char *mixer_device_name, const char *name);
pa_alsa_jack *pa_alsa_jack_new(pa_alsa_path *path, const char *mixer_device_name, const char *name, int index);
void pa_alsa_jack_free(pa_alsa_jack *jack);
void pa_alsa_jack_set_has_control(pa_alsa_jack *jack, bool has_control);
void pa_alsa_jack_set_plugged_in(pa_alsa_jack *jack, bool plugged_in);