I have tested the patch on my 7720g laptop.
I applied it on
ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/alsa-driver-20110311.tar.gz
Everything works well.
In alsa-mixer (i have installed 1.0.22 version) subwoofer is controlled by
phones channel.
But when i plug phones in, all
David, there are few places where anybody can buy such docs.. but I just
googled the doc in public access )
Thanks for help.
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https://bugs.launchpad.net/bugs/516725
Title:
acer 7720g
Here is service manual for acer 7720 notebooks:
http://www.scribd.com/doc/35348752/Acer-Aspire-7720z-Compal-La-3551p-Sc.
ACL268 pinout is located on page 34.
As you can see, pin 37 MONO OUT is used for woofer.
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I have installed Ubuntu 10.4. Sub-woofer does not work.
Then I installed linux-alsa-driver-modules-2.6.32-21-generic from
http://ppa.launchpad.net/ubuntu-audio-dev/ppa/ubuntu.
There is no sound from woofer.
I tried to change model for snd-hda-intel in /etc/modprobe.d/alsa-
base.conf. There is no
In ubuntu 10.4 woofer still does not work.
** Changed in: alsa-driver (Ubuntu)
Status: Expired = New
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acer 7720g laptop 3 spkr's 3rd being sub woofer not working
https://bugs.launchpad.net/bugs/516725
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