Hello Martin
You can reply on the list as I have subscribed .Actually is it possible
to post to a debian mailing list without being a member of the list ? I
think I tried in the past, but witouht success.
So indeed I was missing the correponding devices in /dev. As you wrote,
the snddevices from the alsa base package script did the job of creating
them not without sending me a freaky kernel warning of the like :
ioctl32(alsamixergui:2060): Unknown cmd fd(3) cmd(40045500){00}
arg(effff82c) on /dev/snd/controlC0
ioctl32(amixer:2066): Unknown cmd fd(3) cmd(40045500){00} arg(effff814)
on /dev/snd/controlC0
Then I load the sound card module with the following result :
bombadil2:/home/manu# modprobe snd_sun_cs4231
Setting up ALSA...amixer: Mixer attach hw:0 error: Invalid argument
amixer: Mixer attach hw:0 error: Invalid argument
amixer: Mixer attach hw:0 error: Invalid argument
amixer: Mixer attach hw:0 error: Invalid argument
( but the module loads OK )
When I try to use alphamixergui now, I have also the same problem error
snd_ctl_open failed that I used to have and the kernel sends me a
warning in the logs ( the same as the former ioctl bla )
The sound is working with the alsa module although there must be a
problem with frequency, because the tunes are played two times faster (
with debian package mpg123 ) . It's a bit funny the first time to hear
the songs of my reggae/dub band as they become ska, but I'm not sure
this treatment will benefit all kinds of music :-)
With a hand-compiled mplayer, I just get garbage on the soundcard ouput.
Emmanuel
Martin Habets a écrit :
On Sat, Sep 24, 2005 at 04:05:33PM +0200, Emmanuel Ka wrote:
Hello
Actually you were right, the kernel uses now alsa for this driver. When
I modprobe the module, it loads all the corresponding alsa drivers.
However alsamixergui fails with the error snd_ctl_open failed for
default : no such file or directory.
Maybe you are missing the device files in /dev/snd/?
You need device files there like controlC0, hwC0D0, pcmC0D0c, pcmC0D0p,
seq and timer.
If you don't see these you need to create them unless you use devfs or udev.
To create them find the snddevices script (part of alsa-base package, or
google for it). If you use devfs/udev I have no clue what to do.
Following the advice from this thread
http://www.mail-archive.com/[email protected]/msg13884.html,
I checked before that all oss remodules were removed.
bombadil2:~# lsmod | grep snd
bombadil2:~# modprobe snd-sun-cs4231
You know a fix for this driver was posted on the mailing list last week?
bombadil2:~# lsmod | grep snd
snd_sun_cs4231 26152 0
snd_pcm 107273 1 snd_sun_cs4231
snd_timer 28168 2 snd_sun_cs4231,snd_pcm
snd 57640 3 snd_sun_cs4231,snd_pcm,snd_timer
soundcore 11976 1 snd
snd_page_alloc 13904 2 snd_sun_cs4231,snd_pcm
bombadil2:~# alsamixergui ..... ==> error message above
bombadil2:~# cat /proc/asound/cards
0 [CS4231 ]: CS4231 - Sun CS4231
Sun CS4231 at 0x1fff1200000, irq 13,7e3
bombadil2:~# cat /proc/asound/devices
0: [0- 0]: ctl
16: [0- 0]: digital audio playback
24: [0- 0]: digital audio capture
33: : timer
Looks good :)
Martin
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