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alsa: support fixed latency range in alsa modules

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This adds a boolean module parameter to disable automatic dynamic
latency readjustments on underruns, but leaves automatic dynamic
watermark readjustments untouched.
This commit is contained in:
Lars R. Damerow 2011-11-03 21:14:45 +01:00 • committed by Lennart Poettering
parent 6124bf8951
commit 7a387fed36
5 changed files with 47 additions and 10 deletions
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4
src/modules/alsa/module-alsa-source.c
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@ -67,7 +67,8 @@ PA_MODULE_USAGE(
"control=<name of mixer control>"
"deferred_volume=<Synchronize software and hardware volume changes to avoid momentary jumps?> "
"deferred_volume_safety_margin=<usec adjustment depending on volume direction> "
"deferred_volume_extra_delay=<usec adjustment to HW volume changes>");
"deferred_volume_extra_delay=<usec adjustment to HW volume changes> "
"fixed_latency_range=<disable latency range changes on overrun?>");
static const char* const valid_modargs[] = {
"name",
@ -92,6 +93,7 @@ static const char* const valid_modargs[] = {
"deferred_volume",
"deferred_volume_safety_margin",
"deferred_volume_extra_delay",
"fixed_latency_range",
NULL
};