[Bug 266927] Re: Static sound on Left Channel with hda-intel STAC 9221 A1

[Harry Stojan]

I'm a Linux novice. I had such a problem on my Dell Mini 9 under Ubuntu 9.10. I tried to solve the problem by removing the PulseAudio but other problems arose and I had to reinstall the system. On the newly installed system the problem wasn't solved so I had to read many posts to find a solution.
My audio device is:
harry at harry-mini9:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC268 Analog [ALC268 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
harry at harry-mini9:~$ lspci -vvnn -s "00:1b.0"
00:1b.0 Audio device [0403]: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller [8086:27d8] (rev 02)
	Subsystem: Dell Device [1028:02b0]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 22
	Region 0: Memory at f0540000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: HDA Intel
	Kernel modules: snd-hda-intel

I looked for the model in /usr/share/doc/alsa-base/driver/HD-Audio-Models.txt.gz and found that for my audio device, ALC268, the model name for a Dell computer should be 'dell'. Unfortunately, the last line in the /etc/modprobe.d/alsa-base.conf file was: options snd-hda-intel model=dell. So, I decided to change the model with 'auto' but after rebooting the computer there was no sound at all. Then I replaces the model name with 'acer-aspire' and rebooted the computer.
The problem was solved.

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Static sound on Left Channel with hda-intel STAC 9221 A1
https://bugs.launchpad.net/bugs/266927
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