Hello all!
I have Souncard called ViperMax produced by the long-gone company
Synergy.
Furthermore I am talking about a Vanilla 2.2.5 kernel in x86 Linux.
The ViperMax is basically an ESS ES1688 Audiodrive and a Gravis
Ultrasound Max. Unfortunately they left out the CS4231 which
is the mixer, I believe.
Thus my dmesg says: ----------------------------------------------
Sound initialization started
<ESS ES1688 AudioDrive (rev 11) (3.1)> at 0x220 irq 7 dma 1,5
<ESS ES1688> at 0x330 irq 7 dma 0
GUS: No CS4231 ??<Gravis UltraSound MAX (1024k)> at 0x240 irq 5 dma 3,3
<Yamaha OPL3> at 0x388
Sound initialization complete
------------------------------------------------------------------
First 'bug': No \n in the 'GUS: No CS4231 ??' message generated in
line 3064 of drivers/sound/gus_wave.c
Well, the Audiodrive is /dev/audio which works just fine. The
Ultrasound is /dev/audio1 which works (it seems) but is far too
silent (no volume). I dunno if the sound is correct, I have to
turn up my stereo quite a bit to hear something. There might be
electronic noise disturbing the signal.
Real bug:
I used aumix and cam to turn up the volume of the Ultrasound
part. They both list it as "Line2" (for info: the Windows ESS driver's
mixer calls it AuxB, controlling GUS' volume perfectly).
Well, Line2 controlls the volume, but even if I turn it to
the maximum, it is still not loud enough.
Questions:
- Does the ultrasound code work even if it doesn't find the CS4231 ?
( My impression while reading the sources was that it doesn't care
after the init )
- Is the ESS mixer code to be fixed? If so, who does it?
I am not quite a kernel hacker but I will do my best if someone just
could tell me what to do... Or where to start.
Contact me for further info or if you have something I should check for
you.
Thanks in advance,
Raimi
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