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card: handle sticky profile flag

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New card database entry version 5 for card profile is sticky flag.
New messaging API handlers set-profile-sticky and get-profile-sticky.

When card profile is sticky, always restore it even if it is unavailable,
and prevent switching from it when ports become unavailable.

Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/568>
This commit is contained in:
Igor V. Kovalenko 2020-12-16 00:35:05 +03:00 • committed by PulseAudio Marge Bot
parent 79cb1369fc
commit e576bd924f
5 changed files with 133 additions and 5 deletions
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10
src/modules/module-switch-on-port-available.c
View file

@ -137,6 +137,11 @@ static int try_to_switch_profile(pa_device_port *port) {
void *state;
unsigned best_prio = 0;
if (port->card->profile_is_sticky) {
pa_log_info("Keeping sticky card profile '%s'", port->card->active_profile->name);
return -1;
}
pa_log_debug("Finding best profile for port %s, preferred = %s",
port->name, pa_strnull(port->preferred_profile));
@ -391,6 +396,11 @@ static pa_hook_result_t card_profile_available_hook_callback(pa_core *c, pa_card
if (!pa_streq(profile->name, card->active_profile->name))
return PA_HOOK_OK;
if (card->profile_is_sticky) {
pa_log_info("Keeping sticky card profile '%s'", profile->name);
return PA_HOOK_OK;
}
pa_log_debug("Active profile %s on card %s became unavailable, switching to another profile", profile->name, card->name);
pa_card_set_profile(card, find_best_profile(card), false);