mixer vol does not change 5.1 back speakers

[Mathew Kanner]

On May 26, Emanuel Haupt wrote:
> hi all,
> 
> $ uname -imr
> 5.4-RELEASE-p1 i386 BEAVER
> 
> cat /dev/sndstat
> FreeBSD Audio Driver (newpcm)
> Installed devices:
> pcm0: <Creative EMU10K1> at io 0xdf80 irq 21 kld snd_emu10k1 (4p/2r/0v channels duplex default)
> 
> using:
>  sound.ko
>  snd_emu10k1.ko
> 
> i just got myself a fancy 5.1 speaker system. unfortunately
> changing master "vol" just changes the two front speakers, the middle
> and the two back speakers always remain in the same volume even by
> running:
> 
> $ for i in $(mixer | awk '{print $2}'); do mixer $i 0; done
> 
> just FYI, these are my mixer options:
> 
> Mixer vol      is currently set to  84:84
> Mixer pcm      is currently set to  75:75
> Mixer speaker  is currently set to  75:75
> Mixer line     is currently set to  75:75
> Mixer mic      is currently set to   0:0
> Mixer cd       is currently set to  75:75
> Mixer rec      is currently set to   0:0
> Mixer line1    is currently set to  75:75
> Mixer phin     is currently set to   0:0
> Mixer phout    is currently set to   0:0
> Mixer video    is currently set to  75:75
> 
> is anyone else having the same problem? if it's a bug i'm going
> to send a pr.

	Hi Emanuel,
	I have not heard of this before but I believe it to be true.
Jus tbe sure the search the PR database before you file it.  Sound has
quite a backlog of open PRs.
	--Mat