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Issue created Oct 04, 2021 by Martin Kepplinger@martin.kepplingerOwner

update alsa ucm2 / pulseaudio config to 5.15+ linux kernels

newer linux kernels include that change: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=907f0a3051869a61499905377212500155bd28ec which removes the Librem_5 and Librem_5_Devkit card names and audio doesn't work anymore with this.

To clarify: in our tree, we revert the above commit in order to stay compatible. We want to remove the revert, at the same time we have a working config here, though.

renaming the Librem_5 directory to Librem 5 in /usr/share/alsa/ucm2/ makes system sound work again, but not for the modem (calls don't work at all).

in order to use the mainline kernel we need to adjust the audio config.

Edited Oct 04, 2021 by Martin Kepplinger
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