Latest working kernel version: 2.6.25.7 Earliest failing kernel version: Distribution: Debian Lenny Hardware Environment: ALC268 on Acer Aspire 5720 Software Environment: Problem Description: The Microphone don't work, but in the kernel version 2.6.25.7 work fine. Solution: In the file sound/pci/hda/patch_realtek.c the value of "Internal Mic" on static struct hda_input_mux alc268_acer_capture_source, should be 0x1, as before in the 2.6.25.x kernel. that work for my notebook.
Created attachment 16557 [details] Change value "Internal Mic" to 0x1
Takashi, there's a patch here. Juan, please submit patches via email, not via bugzilla. Documentation/SubmitChecklist has details. Suitable addressees are: Andrew Morton <akpm@linux-foundation.org> Takashi Iwai <tiwai@suse.de> linux-kernel@vger.kernel.org Thanks.
Then the pin mapping is different from other Acer laptops. Your patch could break other machines, so it can't be applied as is. For further analysis, please run alsa-info.sh with --no-upload option and attach the generated file here. The script is found at http://www.alsa-proejct.org/alsa-info.sh Thanks.
Created attachment 16715 [details] alsa-info for Acer Aspire 5720G
Today i update the kernel code to git://git.kernel.org/pub/scm/linux/kernel/git/nigelc/tuxonice-head.git and the internal Mic from my Acer Aspire 5720 don't work. The solution in the patch http://bugzilla.kernel.org/attachment.cgi?id=16557 work for this model. In this moment exist in code the quirk for the aspire 5720z on SND_PCI_QUIRK(0x1025, 0x011e, "Acer Aspire 5720z", ALC268_ACER) the problem is, the device code "0x011e", is the same for my acer (exist other way to select betwen the models? ). I don't know if the internal mic works on 5720z model. Thanks.
Hi, I have the same problem with my Toshiba Portege m750. The kernel version is 2.6.30-gentoo-r1 but even with the 2.6.29 version I wasn't able to use internal microphone. The only thing I know is that the codec is "Realtek ALC268".
Created attachment 22524 [details] config-2.6.30-gentoo-r1
This is the audio device: 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03) Subsystem: Toshiba America Info Systems Device 0001 Flags: bus master, fast devsel, latency 0, IRQ 22 Memory at ff9f8000 (64-bit, non-prefetchable) [size=16K] Capabilities: [50] Power Management version 2 Capabilities: [60] Message Signalled Interrupts: Mask- 64bit+ Count=1/1 Enable- Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00 Capabilities: [100] Virtual Channel <?> Capabilities: [130] Root Complex Link <?> Kernel driver in use: HDA Intel Kernel modules: snd-hda-intel
A different machine, a different problem. Please don't mix up, but open another bug report. AFAIK, the problem of Acer Aspire 5720 was already fixed in the recent kernel. Let's close now.