CS4236 problems

[Thomas Petersen <mendocino@mendocino.mine.nu>]

I'm having lots of problems getting the cs4236 driver to work. I started 
out with the 0.9.0rc1 package. The snd-cs4236.o module wouldn't load. It 
just resulted in a message like "kernel: CS4236+ soundcard not found or 
device busy" in the system log.
Then i found out that the cs4236 driver was missing the pnp id of my 
card. I gathered the information from /proc/isapnp and added the line:
ISAPNP_CS4232('C','S','C',0xe936,0x0000,0x0010,0x0003),
to the list of pnpids in cs4236.c
Now the module could load, and I could even play some music... problem 
was now, that the sound wasn't audible. I turned up the volume for all 
channels in alsamixer and that actually made a difference. Now i could 
hear the music but extremely low. It is like the output is muted or 
something needs to be turned up. Also in a program like "kmix" the 
master volume is missing... strange.

Today i have tried with a cvs snapshot from 8th may. To get the module 
to load i did the same as before but i additionally had to uncomment the 
lines:
if (ver1 != ver2) {
     snd_printk("CS4236+ chip detected, but control port 0x%lx is not
  valid\n", cport);
     snd_device_free(card, chip);
     return -ENODEV;
}
in cs4236_lib.c. Otherwise it would just always give that message in the 
log when loading the module. I now have the same result as before.

In addition to the cs4236 card i also have a Terratec 128i (ESS Solo-1, 
snd-es1938.o) which is working perfectly with alsa.
The cs4236 is working correctly with OSS using the cs4232 driver.

I can supply more information on request like contents of /proc/isapnp 
and stuff like that. Just ask!


Thomas Petersen


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