From: Curtis Malainey <cujomalainey@google.com>
To: Jaroslav Kysela <perex@perex.cz>,
Jimmy Cheng-Yi Chiang <cychiang@google.com>
Cc: Curtis Malainey <cujomalainey@chromium.org>,
Mark Brown <broonie@kernel.org>,
ALSA development <alsa-devel@alsa-project.org>
Subject: Re: [alsa-devel] [PATCH 06/11] ucm: docs: Add DisableSoftwareVolume
Date: Mon, 11 Nov 2019 11:11:04 -0800 [thread overview]
Message-ID: <CAOReqxiNiJb=mzM+ogDZ+72fgcy3Mi4ZMxYW72qYw-h-0hBVJQ@mail.gmail.com> (raw)
In-Reply-To: <CAOReqxjWove6=9x+Hm0-xEJ_4-iocZo4fnwzV73-sxobTTuCyQ@mail.gmail.com>
On Mon, Nov 11, 2019 at 10:51 AM Curtis Malainey
<cujomalainey@google.com> wrote:
>
> On Mon, Nov 11, 2019 at 7:22 AM Jaroslav Kysela <perex@perex.cz> wrote:
> >
> > Dne 07. 11. 19 v 2:58 Curtis Malainey napsal(a):
> > > Some userspace audio servers might default to software volume, this
> > > allows the ucm to force its behaviour
> > >
> > > Signed-off-by: Curtis Malainey <cujomalainey@chromium.org>
> > > ---
> > > include/use-case.h | 2 ++
> > > 1 file changed, 2 insertions(+)
> > >
> > > diff --git a/include/use-case.h b/include/use-case.h
> > > index 05628303..1aeaf9d4 100644
> > > --- a/include/use-case.h
> > > +++ b/include/use-case.h
> > > @@ -334,6 +334,8 @@ 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.
> > > + * - DisableSoftwareVolume
> > > + * - Set to "1" to force userspace to use hardware volume controls
> > > */
> > > int snd_use_case_get(snd_use_case_mgr_t *uc_mgr,
> > > const char *identifier,
> > >
> >
> >
> > My understanding is that if the hardware volume controls are defined in UCM,
> > then the UCM user (audio server) should use them. Otherwise, the software
> > volume control should be applied. I don't see the reason to have this info
> > doubled.
> >
> > Jaroslav
> >
> +Jimmy Cheng-Yi Chiang can you clarify in what context CRAS might need
> this value? The only cases I see are for Chat 150 C and Jabra SPEAK
> 810. There are no volume mixers associated with these files.
+Jimmy Cheng-Yi Chiang retry adding Jimmy to email chain
> > --
> > Jaroslav Kysela <perex@perex.cz>
> > Linux Sound Maintainer; ALSA Project; Red Hat, Inc.
_______________________________________________
Alsa-devel mailing list
Alsa-devel@alsa-project.org
https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
next prev parent reply other threads:[~2019-11-11 19:12 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-07 1:57 [alsa-devel] [PATCH 01/11] ucm: docs: Add JackName value Curtis Malainey
2019-11-07 1:57 ` [alsa-devel] [PATCH 02/11] ucm: docs: Add JackType value Curtis Malainey
2019-11-11 13:39 ` Jaroslav Kysela
2019-11-29 16:01 ` Jaroslav Kysela
2019-12-03 3:22 ` Curtis Malainey
2019-12-03 8:39 ` Jaroslav Kysela
2019-11-07 1:58 ` [alsa-devel] [PATCH 03/11] ucm: docs: add value JackSwitch Curtis Malainey
2019-11-11 13:30 ` Jaroslav Kysela
2019-11-07 1:58 ` [alsa-devel] [PATCH 04/11] ucm: docs: Add EDID File value Curtis Malainey
2019-11-11 15:18 ` Jaroslav Kysela
2019-11-07 1:58 ` [alsa-devel] [PATCH 05/11] ucm: docs: Add MinBufferLevel value Curtis Malainey
2019-11-11 14:55 ` Jaroslav Kysela
2019-11-11 15:19 ` Jaroslav Kysela
2019-11-07 1:58 ` [alsa-devel] [PATCH 06/11] ucm: docs: Add DisableSoftwareVolume Curtis Malainey
2019-11-11 15:22 ` Jaroslav Kysela
2019-11-11 18:51 ` Curtis Malainey
2019-11-11 19:11 ` Curtis Malainey [this message]
2019-11-07 1:58 ` [alsa-devel] [PATCH 07/11] ucm: docs: Add CaptureChannelMap Curtis Malainey
2019-11-11 15:30 ` Jaroslav Kysela
2019-11-11 22:08 ` Curtis Malainey
2019-11-07 1:58 ` [alsa-devel] [PATCH 08/11] " Curtis Malainey
2019-11-07 2:02 ` Curtis Malainey
2019-11-11 15:31 ` Jaroslav Kysela
2019-11-11 22:09 ` Curtis Malainey
2019-11-07 1:58 ` [alsa-devel] [PATCH 09/11] ucm: docs: Add EchoReferenceDev Curtis Malainey
2019-11-11 15:36 ` Jaroslav Kysela
2019-11-11 18:42 ` Curtis Malainey
2019-11-07 1:58 ` [alsa-devel] [PATCH 10/11] ucm: docs: Add SoftwareGain Curtis Malainey
2019-11-11 15:33 ` Jaroslav Kysela
2019-11-11 18:46 ` Curtis Malainey
2019-11-07 1:58 ` [alsa-devel] [PATCH 11/11] ucm: docs: Add DefaultNodeGain Curtis Malainey
2019-11-11 15:34 ` Jaroslav Kysela
2019-11-11 18:44 ` Curtis Malainey
2019-11-11 9:44 ` [alsa-devel] [PATCH 01/11] ucm: docs: Add JackName value Kai Vehmanen
2019-11-11 13:26 ` Jaroslav Kysela
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CAOReqxiNiJb=mzM+ogDZ+72fgcy3Mi4ZMxYW72qYw-h-0hBVJQ@mail.gmail.com' \
--to=cujomalainey@google.com \
--cc=alsa-devel@alsa-project.org \
--cc=broonie@kernel.org \
--cc=cujomalainey@chromium.org \
--cc=cychiang@google.com \
--cc=perex@perex.cz \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).