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#1 2007-06-09 13:49:39

noamsml
Member
Registered: 2005-06-25
Posts: 42
Website

Intel HDA: Card detected, no sound.

I have a laptop with an Intel HDA (High Definition Audio), and though the card is detected well enough, there is no sound whatsoever. My user is in the "audio" group and I have unmuted everything. My laptop is a Toshiba Satellite A250. The card is (according to aplay) an ALC286.

Output of aplay -l:

[noam@noam-laptop ~]$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC268 Analog [ALC268 Analog]
  Subdevices: 0/1
  Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 6: Si3054 Modem [Si3054 Modem]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

Output of aplay -L:

[noam@noam-laptop ~]$ aplay -L
default:CARD=Intel
    HDA Intel, ALC268 Analog
    Default Audio Device
front:CARD=Intel,DEV=0
    HDA Intel, ALC268 Analog
    Front speakers
surround40:CARD=Intel,DEV=0
    HDA Intel, ALC268 Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=Intel,DEV=0
    HDA Intel, ALC268 Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=Intel,DEV=0
    HDA Intel, ALC268 Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=Intel,DEV=0
    HDA Intel, ALC268 Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=Intel,DEV=0
    HDA Intel, ALC268 Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=Intel,DEV=0
    HDA Intel
    IEC958 (S/PDIF) Digital Audio Output
null
    Discard all samples (playback) or generate zero samples (capture)

All log messages containing HDA in them:

[root@noam-laptop log]# grep -i HDA -r .
./kernel.log:Jun  9 07:15:06 noam-laptop hda_codec: Unknown model for ALC268, trying auto-probe from BIOS...
./kernel.log:Jun  9 07:19:44 noam-laptop hda_codec: Unknown model for ALC268, trying auto-probe from BIOS...
./kernel.log:Jun  9 09:01:29 noam-laptop hda-intel: no codecs initialized
./kernel.log:Jun  9 09:05:58 noam-laptop hda-intel: no codecs initialized
./everything.log:Jun  9 07:15:06 noam-laptop hda_codec: Unknown model for ALC268, trying auto-probe from BIOS...
./everything.log:Jun  9 07:19:44 noam-laptop hda_codec: Unknown model for ALC268, trying auto-probe from BIOS...
./everything.log:Jun  9 09:01:29 noam-laptop hda-intel: no codecs initialized
./everything.log:Jun  9 09:05:58 noam-laptop hda-intel: no codecs initialized
./errors.log:Jun  9 09:01:29 noam-laptop hda-intel: no codecs initialized
./errors.log:Jun  9 09:05:58 noam-laptop hda-intel: no codecs initialized
./messages.log:Jun  9 07:15:06 noam-laptop hda_codec: Unknown model for ALC268, trying auto-probe from BIOS...
./messages.log:Jun  9 07:19:44 noam-laptop hda_codec: Unknown model for ALC268, trying auto-probe from BIOS...

Trying to play into specific non-default device:

 
[noam@noam-laptop log]$ aplay -D front /usr/share/sounds/startup3.wav 
aplay: main:545: audio open error: Device or resource busy

Does anyone have any idea what I can do? I looked in the ALSA documentation and they didn't mention any models for the ALC286.


I summon daemons from the depths of /etc/rc.d

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#2 2007-06-09 17:22:24

noamsml
Member
Registered: 2005-06-25
Posts: 42
Website

Re: Intel HDA: Card detected, no sound.

OK, I found this patch, but I'm not sure how to apply it, and to what. My newbie-ish tendencies are showing through, I fear. Is it already applied in the upstream CVS/GIT/SVN/Whatever version of ALSA?

Edit: OK, I got the correct mercurial version of ALSA, but I don't know how to patch the kernel with it.

Last edited by noamsml (2007-06-09 20:22:59)


I summon daemons from the depths of /etc/rc.d

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#3 2007-07-26 12:51:08

gummibaerchen
Member
Registered: 2007-07-20
Posts: 109

Re: Intel HDA: Card detected, no sound.

Good News:

Linus Torvald just merged with ALSA Head
(http://git.kernel.org/?p=linux/kernel/g … ;a=summary)

And six days ago support was added for the ALC268 smile
(http://git.kernel.org/?p=linux/kernel/g … 4b3d69e15d)

So just wait for a new kernel release wink

[should be already in 2.6.23rc1]

Last edited by gummibaerchen (2007-07-26 12:55:06)

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#4 2007-08-23 16:09:58

gummibaerchen
Member
Registered: 2007-07-20
Posts: 109

Re: Intel HDA: Card detected, no sound.

Wow, today is my day!!!!

I finally have sound on that card smile Just upgrade your system and restart smile

Yay!!!

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