@Eric, my patch does not apply to your hardware, it applies only to
7720g. According to comment #36, the patch is not yet fully functional
as the subwoofer volume is not controlled by the right mixer control.
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I upgrade to 11.04, subwoofer is still not working.
How can I applied this patch?
thx
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Title:
acer 7720g laptop 3 spkr's 3rd being sub woofer not
[Expired for alsa-driver (Ubuntu) because there has been no activity for
60 days.]
** Changed in: alsa-driver (Ubuntu)
Status: Incomplete => Expired
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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 co
** Tags added: patch
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Title:
acer 7720g laptop 3 spkr's 3rd being sub woofer not working
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Would it be possible for someone with the hardware to test this patch?
It should be applied on top of Takashi's daily snapshot. If this doesn't
say you anything, let me know and I'll make a dkms package for you as
well. That would require you to run Maverick though.
** Patch added: "acer_7720z_sub
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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Title:
acer 7720g l
^^^David thanks for the fix that works... but with headphones plugged in you
can still hear the woofer
is there a fix for that ?? .. (im on 10.04) ^^^
note: there is no independent adjustment for the woofer sound
preferences alsamixer maybe that's normal?
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@Dmitri, interesting, how did that document leak out on the net? :-)
Anyway, according to the ALC268 datasheet, pin 37 is connected to nid 16h.
Would it be possible for someone with the hardware to do this:
download and install snd-hda-tools from my ppa (ppa:diwic/maverick). Start
hda_analyzer w
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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@Eric, thanks, but unfortunately that is not helpful for this bug since it has
an ALC268, which does not have a subwoofer/LFE output...
If you're having trouble with your subwoofer on your laptop as well, please
file a separate bug.
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acer 7720g laptop 3 spkr's 3rd being sub woofer not working
Yes a subwoofer or you can call it a 3rd speaker if you want. It's a
good feature since most of Laptop have very small speakers more like
twiters you have a litle bit more bass. :-)
My Laptop is actually a ACER 8735G and have a ALC665 if I can rely on
what I find in the internet.
I attached the P
A subwoofer in a laptop? That's something new for me :-)
Anyway, it looks like a difficult problem to me. At least without
knowing how things are physically connected, i e what pins on the
realtek ALC268 chip are connected to the subwoofer...
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acer 7720g laptop 3 spkr's 3rd being sub woofer no
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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Samething with me.
I have just install linux-alsa-driver-modules-2.6.32-22.13 and I still have the
problem.
I only see stereo output in alsa mixer.
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acer 7720g laptop 3 spkr's 3rd being sub woofer not working
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You received this bug notification because yo
sorry brad this is still a problem . even with the new release but I've kinda
give up . Im sure its solvable though!
just seems very hard to sort out the problem not being all that familiar with
alsa and new to gnu-linux an-all ..
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acer 7720g laptop 3 spkr's 3rd being sub woofer not working
This bug report was marked as Incomplete and has not had any updated
comments for quite some time. As a result this bug is being closed.
Please reopen if this is still an issue in the current Ubuntu release
http://www.ubuntu.com/getubuntu/download . Also, please be sure to
provide any requested in
** Tags added: karmic
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https:
Thank you for the fast reply.
I remove backports and alsa driver.
I reinstall linux-alsa-driver-modules-2.6.31-19-generic
Restart, still not working.
Uninstall linux-alsa-driver-modules-2.6.31-19-generic
Install linux-alsa-driver-modules-2.6.31-20-generic
Restart, still not working.
my system una
You need to remove linux-backports-modules-alsa* if you intend to test
linux-alsa-driver-modules.
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acer 7720g laptop 3 spkr's 3rd being sub woofer not working
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You received this bug notification because you are a member of Ubuntu
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I also have the same problem with a ACER 8735G that as a internal
subwoofer.
I install linux-backports-modules-alsa-karmic-generic
restart
check all ouput volume with Gnome ALSA mixer
There is no output for subwoofer.
playback sound, nothing for the subwoofer
I install linux-alsa-driver-modules-2
after researching this bug on-line it is comon to all 7720g with a sub-woofer
on all Linux platforms.
i have not found any solutions.
perhaps contact with the alsa project directly would advance things!
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acer 7720g laptop 3 spkr's 3rd being sub woofer not working
https://bugs.launchpad.net/
also when looking through alsamixer the display is showing for playback options
.
< Master > PCM Line In Mic Boost
Beep Internal
where (master & beep) are mutable.. cant see how mic boost can be a playback
option..
do you
thanks for being patient!
i ran ( uname -r ) i was runing 2.6.31-20-generic !? (possibly after running
aptitude lol )
i rebooted and ran 2.6.31-19-generic added the ppa:ubuntu-audio-dev/ppa to the
software sources .
apt-get install linux-alsa-driver-modules-2.6.31-19-generic
tested it no sound
Can you please try the latest alsa-driver? It's linux-alsa-driver-
modules-2.6.31-19-generic from the ubuntu-audio-dev PPA. Make sure that
you're using 2.6.31-19-generic (see uname -r).
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acer 7720g laptop 3 spkr's 3rd being sub woofer not working
https://bugs.launchpad.net/bugs/516725
You rece
got the -proposed repo enabled updated , dist-upgraded ..
alas same problem no sound from bass speaker looking on the web all
aspire7720g with this problem
question could it be that one of the inputs in asla is the bass speaker?
as looking in aslamixer there's alot of inputs etc
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acer 772
could you issue me a command line for that procedure as i'm noobish
sorry ..
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Try removing alsa-modules-$(uname -r), enabling the -proposed repo, and
dist-upgrading.
** Changed in: alsa-driver (Ubuntu)
Status: New => Incomplete
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hi yeah installed the backport linux-backports-modules-alsa-karmic-generic,
rebooted .. first there was no sound at all, then i did a update got the sound
but no bass through speaker .. i found in alsamixer alot of extras tho
-master- -pcm- -line in- -mic boos- -captur-
Please try installing the package linux-backports-modules-alsa-karmic-
generic and rebooting. Then test to see if the speakers you wish to
function are now working, and report back with the results of your test.
Thanks.
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acer 7720g laptop 3 spkr's 3rd being sub woofer not working
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** Attachment added: "AlsaDevices.txt"
http://launchpadlibrarian.net/38717675/AlsaDevices.txt
** Attachment added: "BootDmesg.txt"
http://launchpadlibrarian.net/38717676/BootDmesg.txt
** Attachment added: "Card0.Amixer.values.txt"
http://launchpadlibrarian.net/38717677/Card0.Amixer.valu
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