From: Curtis Malainey <cujomalainey@google.com>
To: Jaroslav Kysela <perex@perex.cz>
Cc: Curtis Malainey <cujomalainey@chromium.org>,
Mark Brown <broonie@kernel.org>,
ALSA development <alsa-devel@alsa-project.org>
Subject: Re: [alsa-devel] [PATCH 07/11] ucm: docs: Add CaptureChannelMap
Date: Mon, 11 Nov 2019 14:08:24 -0800 [thread overview]
Message-ID: <CAOReqxg+yRPDdkvPGoANLzuzpgu3e8KjyiQ=f==BvqrqnudtGA@mail.gmail.com> (raw)
In-Reply-To: <ba0fb03e-8085-d2c2-ecda-af454001c835@perex.cz>
On Mon, Nov 11, 2019 at 7:30 AM Jaroslav Kysela <perex@perex.cz> wrote:
>
> Dne 07. 11. 19 v 2:58 Curtis Malainey napsal(a):
> > Add ucm value to tell userspace to remap channels. This is useful for
> > systems with DMICs where there may be more channels than active
> > channels.
> >
> > Signed-off-by: Curtis Malainey <cujomalainey@chromium.org>
> > ---
> > include/use-case.h | 4 ++++
> > 1 file changed, 4 insertions(+)
> >
> > diff --git a/include/use-case.h b/include/use-case.h
> > index 1aeaf9d4..31f9e4be 100644
> > --- a/include/use-case.h
> > +++ b/include/use-case.h
> > @@ -301,6 +301,10 @@ int snd_use_case_get_list(snd_use_case_mgr_t *uc_mgr,
> > * - name of capture mixer
> > * - CaptureMixerID
> > * - mixer capture ID
> > + * - CaptureChannelMap
> > + * - Remap channels using ALSA PCM channel mapping API notation
> > + * E.g. "2 3 0 1 -1 -1 -1 -1 -1 -1 -1" means, FL takes channel 2,
> > + * FR takes channel 3, RL takes channel 0, RL takes channel 1.
> > * - EDIDFile
> > * - Path to EDID file for HDMI devices
> > * - JackControl, JackDev, JackHWMute
> >
>
> I see a room for the improvement to have a better and complete mapping
> description like:
>
> CaptureChannelMap "FR=0 RL=1 TC=2"
>
> The location names should follow SND_CHMAP defines.
>
> Jaroslav
>
I am definitely for that modification as the mapping for the plugin is
not easy to read, that being said, do we have a tool to handle
parsing/converting that from a string already? I feel like we should
add one if we are going to make that the spec.
> --
> Jaroslav Kysela <perex@perex.cz>
> Linux Sound Maintainer; ALSA Project; Red Hat, Inc.
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next prev parent reply other threads:[~2019-11-11 22:09 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
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 [this message]
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
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