mikee512
mikee512
Thanks for the fast reply! This is ubuntu 24.04 with all updates applied. alsa-lib is not listed as a package, alsa-ucm-conf is 1.2.10, the latest I see on the alsa...
I upgraded to 24.10 on my way to 25.04 and it solves the playback issue. 25.04 is currently disabled for upgrade from what I see, I can't upgrade right now....
Is there anything I can do to help with the mic solution ?
I have been trying to figure out the difference between how chrome handles the mic and linux. Is this a matter of the tplg file and dmic config in there...
Looking at coreboot mainboard/google/volteer/variants/eldrid/overridetree.cb it indicates the mic is 2ch_pdm1, speakers are max98357a and headphones are rt5682. The tplg file is sof-tgl-max98357a-rt5682.tplg but there do appear to be pdm1 variants...
found the token definitions in the kernel but I can't get alsatplg --decode followed by alsatplg --compile to produce the same output on the existing /lib/firmware tplg file. The resulting...
Thanks! I'll start looking at the ucm and see if I can figure out the server side.
where do I hardcode to PDM1 :)
alsaucm -c hw:0 dump text Verb.HiFi { Comment Default Device.Mic { Comment "Internal Microphone" Values { CaptureCTL "_ucm0001.hw:sofrt5682" CaptureChannels 2 CapturePCM "_ucm0001.dmic_stereo_in:sofrt5682,99,0,1" CapturePriority 100 PlaybackCTL "_ucm0001.hw:sofrt5682" } } ... does...
I see /usr/share/alsa/ucm2/conf.d/sof-rt5682/HiFi.conf and its reference to common/pcm/split.conf. Is this where the reference to pdm0 is ? I dont yet see it but still digesting ...