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Old 09-18-2007, 11:48 AM   #1
kaz2100
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Registered: Apr 2005
Location: Penguin land, with apple, no gates
Distribution: Debian testing woody(32) sarge etch lenny squeeze(+64) wheezy jessie
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No sound -- 2.6.21/2 and ALSA (ATI SB450 HD audio/ Realtek ALC861 on Toshiba)


Hya,

This post for the following penguins:
Debian lenny
Kernel 2.6.21.x or 2.6.22.x,
sound chip is ATI SB450 HD audio with Realtek ALC851 chipset,
Toshiba laptop,
and
alsamixer shows zero master volume, (and NOT adjustable, thus no sound).

Solution is
run alsaconf (etch version, not lenny version)
and
pass parameter to
Code:
modprobe snd-hda-intel model=auto
Background is:
ALSA works with 2.6.20 kernel, without any tweak.
ALSA does not work with 2.6.21/2.
Read following page with changes with 2.6.21.x (ALC861 with Toshiba)
http://kernelnewbies.org/Linux_2_6_2...0d1829548aeb1c
Read ALSA-Configuration.txt in kernel source

However, neither of following works
Code:
modprobe snd-hda-intel
modprobe snd-hda-intel model=toshiba
It was confusing.

Happy Penguins!

Last edited by kaz2100; 09-18-2007 at 01:14 PM. Reason: missing info
 
Old 09-21-2007, 04:59 AM   #2
t0bias
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Registered: Aug 2005
Distribution: Fedora 13, RHEL 5.3, Ubuntu 10.04, Debian Lenny
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just a guess,
but did you also try not to use the kernel-based drivers
but the software alsa-driver? some time ago it worked
for me this way with a similar problem.

greez,

toby
 
Old 09-21-2007, 10:02 AM   #3
kaz2100
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Registered: Apr 2005
Location: Penguin land, with apple, no gates
Distribution: Debian testing woody(32) sarge etch lenny squeeze(+64) wheezy jessie
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Original Poster
Rep: Reputation: 84
Hya,

I did only kernel based driver.

I have not tried any other. It is working, so at present, I need to do something else.

Happy Penguins!
 
Old 09-25-2007, 07:41 PM   #4
kaz2100
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Registered: Apr 2005
Location: Penguin land, with apple, no gates
Distribution: Debian testing woody(32) sarge etch lenny squeeze(+64) wheezy jessie
Posts: 1,455

Original Poster
Rep: Reputation: 84
Hya,

This trick does not work with etch. I have not figured out how to yet.

Happy Penguins!


Edit
The way to find if it works is that alsamixer has master volume bar and it is adjustable.

Last edited by kaz2100; 09-25-2007 at 08:23 PM. Reason: added alsamixer
 
Old 09-28-2007, 07:48 PM   #5
kaz2100
Senior Member
 
Registered: Apr 2005
Location: Penguin land, with apple, no gates
Distribution: Debian testing woody(32) sarge etch lenny squeeze(+64) wheezy jessie
Posts: 1,455

Original Poster
Rep: Reputation: 84
Hya,

I do not know what I did. However, I traced what I did and tried to find out the problem. It is working as #1 on etch also.

Happy Penguins!
 
Old 10-23-2007, 07:48 PM   #6
toxigenicpoem
LQ Newbie
 
Registered: Oct 2007
Posts: 1

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to /etc/modprobe.d/aliases add this line

alias snd-card-0 snd-hda-intel

to /etc/modprobe.d/alsa-base add this line

options snd-hda-intel enable=1 index=0
 
  


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