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uMPX decoder on Linux
https://forums.stereotool.com/viewtopic.php?f=15&t=33715
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Author:  Minetti [ Sun Oct 15, 2023 7:37 pm ]
Post subject:  uMPX decoder on Linux

Just updated an rpi running a uMPX decoder to Bookworm.

I want to be able to use the read-only overlayfs but when enabled, uMPX decoder re-enumerates the ALSA devices and misses the one that was stored in its last configuration. I see this on a live environment and can't do much further testing now but it also occured with a read/write boot.

Is there any way to pin the FM output to the ALSA name rather the ALSA numbers? (the name doesn't change):

card 4: sndrpihifiberry [snd_rpi_hifiberry_dacplus], device 0: HiFiBerry DAC+ Pro HiFi pcm512x-hifi-0 [HiFiBerry DAC+ Pro HiFi pcm512x-hifi-0]

The device changes its card id between 2,3 and 4 .

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