From: Jaroslav Kysela <perex@perex.cz> To: Christian Hewitt <christianshewitt@gmail.com>, alsa-devel@alsa-project.org Cc: Matthias Reichl <hias@horus.com>, linux-amlogic@lists.infradead.org, Jerome Brunet <jbrunet@baylibre.com> Subject: Re: [RESEND] Amlogic DPCM audio card(s) speaker placement issue Date: Sun, 26 Dec 2021 18:30:14 +0100 [thread overview] Message-ID: <3cd96113-3272-1efe-aa81-39de952d1e68@perex.cz> (raw) In-Reply-To: <ECC56215-1E02-4735-82F3-B68E73F56CB4@gmail.com> On 26. 12. 21 12:43, Christian Hewitt wrote: > **** List of PLAYBACK Hardware Devices **** > card 0: LIBRETECHCC [LIBRETECH-CC], device 0: fe.dai-link-0 (*) [] > Subdevices: 1/1 > Subdevice #0: subdevice #0 > numid=12,iface=PCM,name='ELD',device=2 > numid=11,iface=PCM,name='IEC958 Playback Default',device=2 > numid=10,iface=PCM,name='IEC958 Playback Mask',device=2 > numid=9,iface=PCM,name='Playback Channel Map',device=2 > > https://github.com/torvalds/linux/blob/master/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts#L136-L188 Have you tried to reorder the dai-link-# sections in DT? It appears to me that sound/soc/codecs/hdmi-codec.c / hdmi_codec_pcm_new() gets the internal PCM device rather than the exported PCM device for the user space. If the DAI routing cannot be changed, then the hdmi-codec.c should be modified to export the correct device number for the user space: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/sound/soc/codecs/hdmi-codec.c?h=v5.16-rc6#n805 Jaroslav -- Jaroslav Kysela <perex@perex.cz> Linux Sound Maintainer; ALSA Project; Red Hat, Inc. _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic
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From: Jaroslav Kysela <perex@perex.cz> To: Christian Hewitt <christianshewitt@gmail.com>, alsa-devel@alsa-project.org Cc: Matthias Reichl <hias@horus.com>, Jerome Brunet <jbrunet@baylibre.com>, linux-amlogic@lists.infradead.org Subject: Re: [RESEND] Amlogic DPCM audio card(s) speaker placement issue Date: Sun, 26 Dec 2021 18:30:14 +0100 [thread overview] Message-ID: <3cd96113-3272-1efe-aa81-39de952d1e68@perex.cz> (raw) In-Reply-To: <ECC56215-1E02-4735-82F3-B68E73F56CB4@gmail.com> On 26. 12. 21 12:43, Christian Hewitt wrote: > **** List of PLAYBACK Hardware Devices **** > card 0: LIBRETECHCC [LIBRETECH-CC], device 0: fe.dai-link-0 (*) [] > Subdevices: 1/1 > Subdevice #0: subdevice #0 > numid=12,iface=PCM,name='ELD',device=2 > numid=11,iface=PCM,name='IEC958 Playback Default',device=2 > numid=10,iface=PCM,name='IEC958 Playback Mask',device=2 > numid=9,iface=PCM,name='Playback Channel Map',device=2 > > https://github.com/torvalds/linux/blob/master/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts#L136-L188 Have you tried to reorder the dai-link-# sections in DT? It appears to me that sound/soc/codecs/hdmi-codec.c / hdmi_codec_pcm_new() gets the internal PCM device rather than the exported PCM device for the user space. If the DAI routing cannot be changed, then the hdmi-codec.c should be modified to export the correct device number for the user space: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/sound/soc/codecs/hdmi-codec.c?h=v5.16-rc6#n805 Jaroslav -- Jaroslav Kysela <perex@perex.cz> Linux Sound Maintainer; ALSA Project; Red Hat, Inc.
next prev parent reply other threads:[~2021-12-26 17:30 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-12-26 11:43 [RESEND] Amlogic DPCM audio card(s) speaker placement issue Christian Hewitt 2021-12-26 11:43 ` Christian Hewitt 2021-12-26 17:30 ` Jaroslav Kysela [this message] 2021-12-26 17:30 ` Jaroslav Kysela 2021-12-30 8:28 ` Christian Hewitt 2021-12-30 8:28 ` Christian Hewitt 2022-01-03 9:57 ` Jerome Brunet 2022-01-03 9:57 ` Jerome Brunet 2022-01-03 11:04 ` Jaroslav Kysela 2022-01-03 11:04 ` Jaroslav Kysela
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