On Mon, Nov 11, 2019 at 7:36 AM Jaroslav Kysela perex@perex.cz wrote:
Dne 07. 11. 19 v 2:58 Curtis Malainey napsal(a):
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@chromium.org
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
It's PCM device name like PlaybackPCM ? I would rename this to EchoReferencePCM then.
Jaroslav
Not quite. The name associated is another SectionDevice. Although I will have to send a v2 for this patch as I noticed a typo "refence"
-- Jaroslav Kysela perex@perex.cz Linux Sound Maintainer; ALSA Project; Red Hat, Inc.