Messages in this thread | | | Date | Thu, 18 May 2006 17:15:20 +0200 | From | Andreas Mohr <> | Subject | Re: How to enable bios-disabled soundcard? |
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Hi,
[CC'ing ALSA list]
On Thu, May 18, 2006 at 05:09:47PM +0300, Meelis Roos wrote: > Context: IBM X20 laptop with integrated PCI CS4281 soundcard. Loading > snd_cs4281 gives these messages and registers no alsa device: > > ACPI: PCI interrupt for device 0000:00:0b.0 disabled > CS4281: probe of 0000:00:0b.0 failed with error -5 > > Error -5 seems to be -EIO. > > There is no option ib bios to enable/disable the soundcard and the bios > is almost the latest (2.23, latest 2.25 fixes only unrelated things by > changelog).
The mail subject most likely is wrong, since the IRQ message above doesn't suggest a BIOS issue at all, since the message is most likely a result of calling snd_cs4281_free() in failure path, which disables this IRQ again.
> lspci identifies the card as follows (pci ID is the same as in the > driver): > 0000:00:0b.0 Multimedia audio controller: Cirrus Logic Crystal CS4281 PCI > Audio (rev 01) > > I tried pci=routeirq. It distributed the interrupts differently but this > problem did remain.
I believe that it's a simple hardware mismatch failure in the main probe function of this driver, nothing else.
> So how can I enable the soundcard?
The best way to find out is to edit snd_cs4281_probe() and add snd_printk()s at all error paths to find the one which actually fails.
Andreas Mohr - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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