AIM SC808

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Hello all,

I own this card since recently:

03:00.0 Audio device: C-Media Electronics Inc CM8888 [Oxygen Express]
    Subsystem: C-Media Electronics Inc HDA Controller
    Flags: bus master, fast devsel, latency 0, IRQ 31, IOMMU group 7
    Memory at fcd00000 (32-bit, non-prefetchable) [size=16K]
    Capabilities: <access denied>
    Kernel driver in use: snd_hda_intel
    Kernel modules: snd_hda_intel

and I found out it doesn't work great. Only headphone output is functioning, RCA line out does not (haven't checked the rest). I found models list in /usr/lib/modules/5.9.2-arch1-1/build/Documentation/sound/hd-audio/models.rst and tested them all using a rmmod / modprobe bash script but none of them seems to enable RCA output.

Windows drivers have possibility to switch between headphone and RCA output from manufacturer's app (there is a click sound coming from electronics of the card when I do this).

I never tampered with low level hardware and I'm not familiar with ALSA development but what I was thinking is that maybe an ALSA snd_hda_intel developer would be interested in receiving this card for tests?

--
Pozdrawiam / Greetings
Marcin Kocur █




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