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Realtek ALC880 not recognised any more by alsa
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dmpogo
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Joined: 02 Sep 2004
Posts: 2288
Location: Canada

PostPosted: Mon May 23, 2011 12:16 am    Post subject: Reply with quote

corrosif wrote:
My previous analysis was wrong... the fact is that the result is always the same, at each boot.
Simply, I moved my computer from place to place during the first tests, sometimes with external speakers (connected to the headphones), sometimes without.
I did not notice that when it was not working, it was always when using the internal speakers without headphones :)

On my laptop, there is no physical hardware for surround control (there are only two native speakers, and a stereo headphone output).

I kept the sources of my old kernel (2.6.32-gentoo-r7)... I could try to compile it again to see if detection still works OK on that old kernel.


I would not care that much about alsaconf, there could be a bit of mismatch in alsa-utils version and the alsa version in the kernel. Given that aplay and amixer show the card all right means it is recognized.

I wonder if your internal speaker are just dead though, do you have dual boot/vm windows to check ? (or, then, the old kernel ?)
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corrosif
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Joined: 21 Dec 2003
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PostPosted: Mon May 23, 2011 8:39 pm    Post subject: Reply with quote

No, the main speakers are working fine under windows, so they are not dead.

I have recompiled my old kernel (2.6.32-gentoo-r7), then all alsa-related ebuilds (keeping exact same versions).
Please note that I have kept exactly the same kernel config as the newer kernel to compile the old one.

On this old kernel, sound is working perfectly on the main speakers.
And if I connect a headphone, the main speakers are muting automatically and sound is working on the headphones.
Moreover, alsaconf is detecting the soudcard properly:

Code:
Soundcard Selection

Following card(s) are found on your system.
Choose a soundcard to configure:

hda-intel     Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) High
legacy        Probe legacy ISA (non-PnP) chips

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S'il n'y a pas de solution, alors il n'y a pas de problème (logique Shadok).
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figueroa
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Joined: 14 Aug 2005
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PostPosted: Sat Mar 08, 2014 4:35 am    Post subject: Reply with quote

Although this is a very old thread, the following may point to the solution:
http://forums.gentoo.org/viewtopic-t-985856-highlight-realtek+alc880.html
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Andy Figueroa
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