narmstrong changed the topic of #linux-amlogic to: Amlogic mainline kernel development discussion - our wiki http://linux-meson.com/ - ml linux-amlogic@lists.infradead.org - official channel moved from Freenode - publicly logged on https://libera.irclog.whitequark.org/linux-amlogic
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<massoud> narmstrong: thanks for your input, coming to my HDMI ARC question, do you know if X3 can do ARC on the HDMI interface ? X4 can do eARC from the bloc diagram but I am wondering for the others meson socs ?
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<narmstrong> massoud: x3 maybe not, but the s905d3 yes
<debiangamer> There is no sound heard from the AV port of Sunvell T95Z Plus Amlogic S912. Using the 5.12.9-meson64 kernel with Armbian Debian Sid Xfce. There are no acodec related erros in logs. This command seems to work fine but no sound: aplay -D sysdefault:CARD=P230Q200 Ensoniq-ZR-76-01-Dope-77.wav. amixer shows Simple mixer control 'ACODEC',0 and other
<debiangamer> ACODEC devices.Pipewire is running and pavucontrol shows volume changes in output that is Built-in Audio Stereo but no sound can be heard.
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<debiangamer> sysdefault:CARD=P230Q200 is the HDMI audio port and audio can be heard after plugging headphones to the monitor.
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<debiangamer> There are these messages in dmesg when playing with pulseaudio applications and the only audio port available in pavucontrol: [ 3040.060547] hdmi-audio-codec hdmi-audio-codec.4.auto: Not able to map channels to speakers (-22)
<debiangamer> [ 3040.060637] hdmi-audio-codec hdmi-audio-codec.4.auto: ASoC: error at snd_soc_dai_hw_params on i2s-hifi: -22
<debiangamer> [ 3040.060664] gx-sound-card sound: ASoC: PRE_PMU: be.dai-link-4-playback event failed: -22
<debiangamer> Switching stereo output to multichannel and back in the pavucontrol Configuration tab makes pulseaudio apps to work.
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<hyc> hey, so are the mainline S912 kernels 64bit, or 32bit only?
<hyc> seems like Amlogic only ever shipped 32bit support
<hyc> CoreElec says the amlogic 4.9 kernel is best supported
<hyc> neither coreelec nor libreelec mention ehether they're 32bit or 64bit
<hyc> damned annoying lack of details on their About pages
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<debiangamer> hyc: the mainline S912 kernels 64bit only. Latest stable kernels has the best support, the version 5.12.9 currently.
<khilman> more specifically, the upstream kernels are 64-bit, but can support 32-bit userspace (c.f. CONFIG_COMPAT)
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<hyc> cool, I'm only interested in 64bit userland
<hyc> thanks
<hyc> and do these also support android userspace?
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