| Message ID | 20191107015808.26844-9-cujomalainey@chromium.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [01/11] ucm: docs: Add JackName value | expand |
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
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.
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
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(+)