[alsa-devel] hda-intel - Add digout to ALC880 F1734 model

Michael Gruber lists.mg at googlemail.com
Sat Nov 1 13:43:25 CET 2008

The patch "ALSA: hda - Add infrastructure for dynamic stream allocation"
broke the detection of my card. With this patch applied the dmesg output is:

[ 3761.464838] ACPI: PCI Interrupt 0000:00:1b.0[A] -> GSI 16 (level,
low) -> IRQ 16
[ 3761.464863] PCI: Setting latency timer of device 0000:00:1b.0 to 64
[ 3761.499927] ACPI: PCI interrupt for device 0000:00:1b.0 disabled
[ 3761.499945] HDA Intel: probe of 0000:00:1b.0 failed with error -22

When I loaded the module with model=... then it would work only for some
models, but not for others. I found out that the ones which worked were the
ones with a digout. I added the digout to the F1734 model and now it is
working again.

I can't test if the digout is really working because I lack the hardware, but
when I turn on the IEC958 control in the mixer then red light is emitted from
my headphone port.

I will attach a patch that adds digout to this model because this seems the
right thing to do, but I don't know whether there is something wrong with the
aforementioned patch that caused my problem in the first place.
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