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alsa-sink/source: Make sure volumes are synchronised after fast user switching

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Log in as user A, fast user switch to user B, let user B change
port, volume or mute status, then switch back to user A.

At this point we must make sure that the ALSA and PA volumes are
synchronised by writing to the ALSA mixer when the ALSA device
becomes available.

BugLink: https://bugs.launchpad.net/bugs/915035
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
This commit is contained in:
David Henningsson 2012-04-04 17:07:13 +02:00
parent 29e4b187a3
commit 6961d3e1c7
6 changed files with 73 additions and 4 deletions
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3
src/pulsecore/source.h
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@ -111,6 +111,7 @@ struct pa_source {
pa_hashmap *ports;
pa_device_port *active_port;
pa_atomic_t mixer_dirty;
unsigned priority;
@ -368,6 +369,8 @@ pa_bool_t pa_source_get_mute(pa_source *source, pa_bool_t force_refresh);
pa_bool_t pa_source_update_proplist(pa_source *s, pa_update_mode_t mode, pa_proplist *p);
int pa_source_set_port(pa_source *s, const char *name, pa_bool_t save);
void pa_source_set_mixer_dirty(pa_source *s, pa_bool_t is_dirty);
pa_bool_t pa_source_update_rate(pa_source *s, uint32_t rate, pa_bool_t passthrough);
unsigned pa_source_linked_by(pa_source *s); /* Number of connected streams */