Sometimes userspace may want to use a reference channel to cancel echos when using video chat, this value identifies the device which carries that channel. Signed-off-by: Curtis Malainey <cujomalainey@xxxxxxxxxxxx> --- include/use-case.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/use-case.h b/include/use-case.h index 9a10f390..e84f3f8f 100644 --- a/include/use-case.h +++ b/include/use-case.h @@ -308,6 +308,9 @@ int snd_use_case_get_list(snd_use_case_mgr_t *uc_mgr, * - CoupledMixers * - Mixer controls that should be changed together. * E.g. "Left Master,Right Master". + * - EchoReferenceDev + * - If userspace wants an echo refence channel this value identifies the + * device to be used. * - EDIDFile * - Path to EDID file for HDMI devices * - JackControl, JackDev, JackHWMute -- 2.24.0.432.g9d3f5f5b63-goog _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
