| Message ID | 20191107015808.26844-10-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): > Add software gain ucm definition. > > 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 e84f3f8f..ee6ee5e0 100644 > --- a/include/use-case.h > +++ b/include/use-case.h > @@ -344,6 +344,9 @@ int snd_use_case_get_list(snd_use_case_mgr_t *uc_mgr, > * - This is used on platform where reported buffer level is not accurate. > * E.g. "512", which holds 512 samples in device buffer. Note: this will > * increase latency. > + * - SoftwareGain > + * - Specify the software gain in 0.01dB. E.g. "20" means there will be > + * 0.2 dB software gain on this node. > * - DisableSoftwareVolume > * - Set to "1" to force userspace to use hardware volume controls > */ > In other words, it's the recommended software gain control? The description should be improved then. Jaroslav
On Mon, Nov 11, 2019 at 7:33 AM Jaroslav Kysela <perex@perex.cz> wrote: > > Dne 07. 11. 19 v 2:58 Curtis Malainey napsal(a): > > Add software gain ucm definition. > > > > 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 e84f3f8f..ee6ee5e0 100644 > > --- a/include/use-case.h > > +++ b/include/use-case.h > > @@ -344,6 +344,9 @@ int snd_use_case_get_list(snd_use_case_mgr_t *uc_mgr, > > * - This is used on platform where reported buffer level is not accurate. > > * E.g. "512", which holds 512 samples in device buffer. Note: this will > > * increase latency. > > + * - SoftwareGain > > + * - Specify the software gain in 0.01dB. E.g. "20" means there will be > > + * 0.2 dB software gain on this node. > > * - DisableSoftwareVolume > > * - Set to "1" to force userspace to use hardware volume controls > > */ > > > > In other words, it's the recommended software gain control? The description > should be improved then. > > Jaroslav > Not the control/mixer, in this case it is a gain value that is expected to be applied by the audio server (should the server parse it) > -- > 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 e84f3f8f..ee6ee5e0 100644 --- a/include/use-case.h +++ b/include/use-case.h @@ -344,6 +344,9 @@ int snd_use_case_get_list(snd_use_case_mgr_t *uc_mgr, * - This is used on platform where reported buffer level is not accurate. * E.g. "512", which holds 512 samples in device buffer. Note: this will * increase latency. + * - SoftwareGain + * - Specify the software gain in 0.01dB. E.g. "20" means there will be + * 0.2 dB software gain on this node. * - DisableSoftwareVolume * - Set to "1" to force userspace to use hardware volume controls */
Add software gain ucm definition. Signed-off-by: Curtis Malainey <cujomalainey@chromium.org> --- include/use-case.h | 3 +++ 1 file changed, 3 insertions(+)