From: Jaroslav Kysela <perex@perex.cz>
To: "Diederik de Haas" <didi.debian@cknow.org>,
"Liam Girdwood" <lgirdwood@gmail.com>,
"Mark Brown" <broonie@kernel.org>,
"Takashi Iwai" <tiwai@suse.com>,
"Kuninori Morimoto" <kuninori.morimoto.gx@renesas.com>,
"Thierry Reding" <treding@nvidia.com>,
"Jon Hunter" <jonathanh@nvidia.com>,
"Stephan Gerhold" <stephan@gerhold.net>,
alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org,
"Guido Günther" <agx@sigxcpu.org>
Subject: Re: [PATCH] ASoC: simple-card: Fill in driver name
Date: Mon, 11 Oct 2021 19:16:37 +0200 [thread overview]
Message-ID: <f7efde11-067d-8822-45fa-7cdbe2d17d93@perex.cz> (raw)
In-Reply-To: <5069869.zQgEQKRxDW@bagend>
On 10. 10. 21 12:40, Diederik de Haas wrote:
> On Sunday, 10 October 2021 10:40:09 CEST Jaroslav Kysela wrote:
>>> Unfortunately this change broke multichannel audio on my Rock64 device
>>> running Debian. My Rock64 is connected to my AVR (Pioneer SC-1224) via a
>>> HDMI cable.
>> This looks like an user space configuration problem.
>
> I have placed ALSA card definitions (I think) from LibreELEC on my system from
> https://github.com/LibreELEC/LibreELEC.tv/tree/master/projects/Rockchip/
> filesystem/usr/share/alsa/cards
Apparently, the alsa-lib configuration is used in this case.
It seems that there are four sound cards (Analog/HDMI/I2S/SPDIF) created for
your hardware. The alsa-lib configuration is a bit weird - an obfuscation for
the simple-card driver use. The simple way to resolve this is to create a
proper UCM configuration.
If you need further assistance, create an issue for alsa-lib or alsa-ucm-conf
on github and with an output from the 'alsa-info.sh' script.
Jaroslav
--
Jaroslav Kysela <perex@perex.cz>
Linux Sound Maintainer; ALSA Project; Red Hat, Inc.
next prev parent reply other threads:[~2021-10-11 17:16 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-22 8:27 [PATCH] ASoC: simple-card: Fill in driver name Guido Günther
2021-06-22 15:14 ` Mark Brown
2021-10-10 7:47 ` Diederik de Haas
2021-10-10 8:40 ` Jaroslav Kysela
2021-10-10 10:40 ` Diederik de Haas
2021-10-10 11:25 ` Guido Günther
2021-10-10 11:25 ` Guido Günther
2021-10-11 17:16 ` Jaroslav Kysela [this message]
2021-10-11 21:48 ` didi.debian
2021-10-11 21:48 ` didi.debian
2021-10-12 7:09 ` Jaroslav Kysela
2021-10-12 7:09 ` Jaroslav Kysela
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