On Wed, 22 Jun 2016 14:28:00 -0500
Richard Shaw <hobbes1...@gmail.com> wrote:

> I have a F23 system which I use as a HTPC and occasionally the audio
> reverts from hdmi2 in the devices to the on-board stereo sound card.

> Anyone have any ideas?

The kernel loads drivers in parallel, so sometimes the order of audio
devices is different because of different load order.  You can put a
file in /etc/modprobe.d specifying the position of the devices, and this
shouldn't happen any more.

A sample of what I use in a file called soundcard.conf.

options snd cards_limit=8
options slots=snd-hda-intel,snd-ice1724,snd-ca0106,snd-hda-intel
alias snd-card-0 snd-hda-intel id="SB"
options snd-hda-intel index=0
alias snd-card-1 snd-ca0106 id="CA0106"
options snd-ca0106 index=1
alias snd-card-2 snd-ice1724 id="Revolution51"
options snd-ice1724 index=2
#alias snd-card-3 snd-cmipci
#options snd_cmipci index=3
alias snd-card-3 snd-hda-intel id="HDMI"
options snd-hda-intel index=3
alias snd-card-7 snd-usb-audio
options snd-usb-audio index=7

You'll probably have to tweak it, a search should find something closer
to your setup.
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