[alsa-devel] Speaker and Headphone Output problem with ALC1200
Thomas Pietrzak
Thomas.pietrzak at univ-metz.fr
Mon Apr 20 10:07:11 CEST 2009
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Hi,
I have a MSI GX720-061 laptop, and I unfortunately experiment the
"Speaker and Headphone Output" problem.
The sound card is the following:
$ lspci |grep Audio
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio
Controller (rev 03)
$ aplay -l
**** Liste des PLAYBACK périphériques ****
carte 0: Intel [HDA Intel], périphérique 0 : ALC1200 Analog [ALC1200
Analog]
Sous-périphériques: 0/1
Sous-périphérique: #0: subdevice #0
carte 0: Intel [HDA Intel], périphérique 1 : ALC1200 Digital [ALC1200
Digital]
Sous-périphériques: 1/1
Sous-périphérique: #0: subdevice #0
carte 0: Intel [HDA Intel], périphérique 6 : Si3054 Modem [Si3054 Modem]
Sous-périphériques: 1/1
Sous-périphérique: #0: subdevice #0
Note that in Ubuntu Intrepid it was recognized as ALC888. However my
problem remains in Jaunty.
These are the alsa packages I have (Ubuntu Jaunty):
$ dpkg -l |grep alsa
ii alsa-base 1.0.18.dfsg-1ubuntu6
ALSA driver configuration files
ii alsa-oss 1.0.17-1
ALSA wrapper for OSS applications
ii alsa-tools 1.0.18-1ubuntu2
Console based ALSA utilities for specific ha
ii alsa-tools-gui 1.0.18-1ubuntu2
GUI based ALSA utilities for specific hardwa
ii alsa-utils 1.0.18-1ubuntu10
ALSA utilities
ii alsamixergui 0.9.0rc2-1-9
graphical soundcard mixer for ALSA soundcard
ii alsaplayer-alsa 0.99.80-3ubuntu1
PCM player designed for ALSA (ALSA output mo
ii alsaplayer-common 0.99.80-3ubuntu1
PCM player designed for ALSA (common files)
ii alsaplayer-gtk 0.99.80-3ubuntu1
PCM player designed for ALSA (GTK version)
ii bluez-alsa 4.32-0ubuntu3
Bluetooth audio support
ii gnome-alsamixer 0.9.7~cvs.20060916.ds.1-2
ALSA sound mixer for GNOME
ii gstreamer0.10-alsa 0.10.22-4
GStreamer plugin for ALSA
ii libesd-alsa0 0.2.40-0ubuntu3
Enlightened Sound Daemon (ALSA) - Shared lib
ii libpt-1.10.10-plugins-alsa 1.10.10-2ubuntu3
Portable Windows Library Audio Plugin for th
ii libpt2.4.2-plugins-alsa 2.4.2-2ubuntu1
PTLib audio plugin for the ALSA Interface
rc libsdl1.2debian-alsa 1.2.13-2ubuntu1
Simple DirectMedia Layer (with X11 and ALSA
This is my kernel:
$ uname -a
Linux rigel 2.6.28-11-generic #38-Ubuntu SMP Fri Mar 27 10:01:17 UTC
2009 x86_64 GNU/Linux
My problem is that I can't have both 7.1 sound and headphones working.
If I add this line to /etc/modprobe.d/alsa-base.conf:
options snd-hda-intel model=6stack-dig position_fix=0
I have 7.1 sound. But if I plug my headphones, I have sound on both
headphones and PC speakers. The only way to mute the speakers and still
have sound in the headphones is to uncheck "headphones" in the settings
tab of the gnome mixer, and to mute "center" and "LFE".
I tried the option probe_mask=1 that is recommended for ALC1200, but it
didn't changed anything.
I found a solution by googleing. It suggested to add this instead:
options snd-hda-intel model=targa-2ch-dig
options snd-hda-intel enable_msi=1
In this case I only have headphones when I plug my headphones. However I
don't have 7.1 sound anymore, but only stereo.
Can someone help me to make my headphones work normally with 7.1 sound?
Please feel free to ask me any information you need.
Many thanks,
- ---
Tom
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