[alsa-devel] Problem with DELL XPS M1530

[Takashi Iwai]

At Wed, 20 Feb 2008 16:14:43 +0100,
Anders Rønningen wrote:
> 
> Hi again. Here's the results of the testing.
> 
> 1. alsa-driver-hg20080217, --with-debug=full and the 
> "SND_PCI_QUIRK(PCI_VENDOR_ID_DELL,  0x022e, "Dell     ", 
> STAC_DELL_BIOS)," line in patch_sigmatel.c commented out.
> 
> dmesg output:
> 
> [   13.844000] ALSA 
> /mnt/storage/source/alsa/alsa-driver-hg20080217/pci/hda/hda_codec.c:2994: 
> autoconfig: line_outs=1 (0xf/0x0/0x0/0x0/0x0)
> [   13.844000] ALSA 
> /mnt/storage/source/alsa/alsa-driver-hg20080217/pci/hda/hda_codec.c:2998:    
> speaker_outs=1 (0xd/0x0/0x0/0x0/0x0)
> [   13.844000] ALSA 
> /mnt/storage/source/alsa/alsa-driver-hg20080217/pci/hda/hda_codec.c:3002:    
> hp_outs=1 (0xa/0x0/0x0/0x0/0x0)
> [   13.844000] ALSA 
> /mnt/storage/source/alsa/alsa-driver-hg20080217/pci/hda/hda_codec.c:3003:    
> mono: mono_out=0x0
> [   13.844000] ALSA 
> /mnt/storage/source/alsa/alsa-driver-hg20080217/pci/hda/hda_codec.c:3011:    
> inputs: mic=0x13, fmic=0x0, line=0xe, fline=0x0, cd=0x0, aux=0x0
> [   13.844000] ALSA 
> /mnt/storage/source/alsa/alsa-driver-hg20080217/pci/hda/../../alsa-kernel/pci/hda/patch_sigmatel.c:2224: 
> dac_nids=2 (0x5/0x4/0x0/0x0/0x0)
> 
> alsa-info.sh
> 
> http://pastebin.ca/911134
> 
> 2. alsa-driver 1.0.16, --with-debug=full, but else unmodified.
> 
> dmesg output:
> 
> [   14.452000] ALSA 
> /mnt/storage/source/alsa/alsa-driver-1.0.16/pci/hda/hda_codec.c:2894: 
> autoconfig: line_outs=1 (0xd/0x0/0x0/0x0/0x0)
> [   14.452000] ALSA 
> /mnt/storage/source/alsa/alsa-driver-1.0.16/pci/hda/hda_codec.c:2898:    
> speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
> [   14.452000] ALSA 
> /mnt/storage/source/alsa/alsa-driver-1.0.16/pci/hda/hda_codec.c:2902:    
> hp_outs=2 (0xf/0xa/0x0/0x0/0x0)
> [   14.452000] ALSA 
> /mnt/storage/source/alsa/alsa-driver-1.0.16/pci/hda/hda_codec.c:2903:    
> mono: mono_out=0x0
> [   14.452000] ALSA 
> /mnt/storage/source/alsa/alsa-driver-1.0.16/pci/hda/hda_codec.c:2911:    
> inputs: mic=0xe, fmic=0x0, line=0x0, fline=0x0, cd=0x0, aux=0x0
> [   14.456000] ALSA 
> /mnt/storage/source/alsa/alsa-driver-1.0.16/pci/hda/../../alsa-kernel/pci/hda/patch_sigmatel.c:2212: 
> dac_nids=3 (0x5/0x2/0x4/0x0/0x0)
> 
> alsa-info.sh
> 
> http://pastebin.ca/911147
> 
> Now the odd thing is that after the last compile of alsa-driver 1.0.16 
> ... stuff works! Both HP jacks, the internal speakers and the mic work 
> just fine. I don't really know what to make of it, since all I have done 
> is compile like I did earlier and reboot...

Thanks.  It's not that odd.  As I mentioned, the fix after 1.0.16
might break the dual headphone configuration of Dell laptops.

Need to investigate a bit further...


Takashi