Re: [LAU] RME multiface detected as digiface

Dear Tito,

* Tito Latini <tito.01beta@email-addr-hidden> [2015-03-13 18:16]:
> On Fri, Mar 13, 2015 at 12:13:27PM +0100, Peter P. wrote:
> > Dear list,
> >
> > the following problem is giving me headache since a very long time:
> >
> > My RME Multiface connected via the ExpressCard to my Lenovo X201s
> > running Debian/GNU testing is 20% of the time detected as Digiface when
> > inserting the card into the computer. Dmesg tells me that
> > Hammerfall-DSP: Digiface found
> >
> > I have to eject the card multiple times and power cycle the Multiface
> > until it is eventually randomly detected as the multiface it is.
> >
> > Does anyone have any idea why this could happen? Does anyone have
> > similar experiences?
>
> The code in `hdsp_get_iobox_version' (sound/pci/rme9652/hdsp.c) seems
> to fail with the ExpressCard (perhaps it is related to HDSP_SHORT_WAIT).
>
> If you have/use only the Multiface, you could try to replace this
> function with
>
> static int hdsp_get_iobox_version (struct hdsp *hdsp)
> {
> hdsp->io_type = Multiface;
> snd_printk("Hammerfall-DSP: Multiface found\n");
> return 0;
> }
>
> and recompile the module.

Wow, thanks! This sounds like a good idea. I am using a Debian stock
kernel. Do you have a good advice on how to recompile a single module
only? I browsed the net a bit but some info there is either old or not
clear.

best, P
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Received on Sat Mar 14 04:15:01 2015