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snd_hda_intel broken in 3.3.0/3.4.0/3.5.0 for lenovo x201
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grosmano
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PostPosted: Mon Jul 02, 2012 1:09 am    Post subject: Reply with quote

Hello,
If it may help, i just had a similar problem with gentoo-sources-3.3.8 and in my case the reason was that CONFIG_SYSVIPC was not set.
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wumpyr
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PostPosted: Mon Jul 02, 2012 10:19 am    Post subject: Reply with quote

grosmano wrote:
Hello,
If it may help, i just had a similar problem with gentoo-sources-3.3.8 and in my case the reason was that CONFIG_SYSVIPC was not set.


This is already set on my system.
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tbart
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Joined: 31 Oct 2004
Posts: 137
Location: Baden // Austria

PostPosted: Thu Jul 05, 2012 3:42 pm    Post subject: Reply with quote

hm. seems to me your kernel sees the card (dmesg lists snd_hda_intel gets loaded). but alsa can't see the card. possibly a codec problem?

did you try to
Code:
modprobe snd_hda_intel model=ideapad

?
From what I read, this should be the correct parameter for you card. Try others as well!


Code:
/usr/src/linux/Documentation/sound/alsa/HD-Audio-Models.txt
lists the models.
Debugging help can be found here:
Code:
/usr/src/linux/Documentation/sound/alsa/HD-Audio.txt


I know it sounds weird, as your card has already worked alright, but maybe they changed some detection scheme and you now need to explicitly state the codec...
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wumpyr
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PostPosted: Sun Aug 05, 2012 3:51 am    Post subject: Reply with quote

tbart wrote:
hm. seems to me your kernel sees the card (dmesg lists snd_hda_intel gets loaded). but alsa can't see the card. possibly a codec problem?

did you try to
Code:
modprobe snd_hda_intel model=ideapad

?
From what I read, this should be the correct parameter for you card. Try others as well!

I know it sounds weird, as your card has already worked alright, but maybe they changed some detection scheme and you now need to explicitly state the codec...


Tried gentoo-sources-3.5.0. I have it working now but it requires setting model=thinkpad in /etc/modprobe.d/alsa.conf. i.e.

Code:
options snd-hda-intel model=thinkpad


I tried just putting this in /etc/conf.d/modules

Code:
modules="tp_smapi coretemp kvm-intel tun snd_hda_intel"

module_snd_hda_intel_args="model=thinkpad"


but it didn't work. What is wrong with my entry in /etc/conf.d/modules?
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tbart
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Joined: 31 Oct 2004
Posts: 137
Location: Baden // Austria

PostPosted: Mon Aug 06, 2012 10:27 am    Post subject: Reply with quote

seems to me /etc/conf.d/modules is outdated.

use /etc/modules.d and update the DB afterwards.

see
Code:
man update-modules
for details!
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