[alsa-devel] snd-hda-intel support for SPDIF-in wiht vt1708 card?

[Takashi Iwai]

At Thu, 20 Dec 2007 10:13:29 -0800,
John Stile wrote:
> 
> On Thu, 2007-12-20 at 12:09 +0100, Takashi Iwai wrote: 
> > At Thu, 20 Dec 2007 00:37:46 +0000,
> > forumjunk at comcast.net wrote:
> > > 
> > > 
> > > For VIA platforms, to avoid the driver compile error in pci.h, reconfigure your kernel to remove SMP support, and set the architecture type to PC-compatible.
> > > 
> > > (you already know this, I'm sure):
> > > Recompile the kernel (as a paranoid, I always trash /lib/modules/<kernel_version> before making modules_install). Install the kernel, of course, and reconfigure your boot loader and/or initrd and reboot.
> > > 
> > > There are still several fixes that need to be made to get all of this to compile cleanly, but I haven't got the permanent fixes nailed down yet. I'm almost positive that these are alsa-driver configure errors or omissions. I can't (yet) find a kernel config that will avoid them. The fixes below are harmless, and they will allow you to get the driver compiled.
> > 
> > My guess is that the error of configure script is the only point we
> > need to fix.
> > 
> > > Add this definition to the top section of acore/memory_wrapper.c after the line that reads #include <linux/version.h>
> > > 
> > > #define VMALLOC_VMADDR(x)   ((unsigned long)(x))
> > > 
> > > Change these lines (45 and 46 or close to that) of acore/memory_wrapper.c from:
> > > 
> > >         pmd = pmd_offset(pgd, lpage);
> > >         pte = pte_offset(pmd, lpage);
> > > 
> > > to
> > > 
> > >         pmd = pmd_offset((pud_t *)pgd, lpage);
> > >         pte = pte_offset_kernel(pmd, lpage);
> > > 
> > > The driver will then compile cleanly (at least with no errors or warnings relating to any of these changes)
> > 
> > Don't do this.  This part shouldn't be compiled at all for recent
> > kernels.  This is, again, the problem of configure script that
> > detected the codes wrongly.
> > 
> > 
> > So, could you guys show config.log?  Otherwise it's hard to know
> > what's really wrong.
> > 
> > 
> > thanks,
> I recompiled the kernel without SMP support, and as PC-compatible (per
> forumjunk at comcast.net).  In config.log, vmalloc_to_page shows a warning
> starting at line 540.  "function cpuid_count causes a warning: pointer
> targets in passing argument 4 of 'native_cpuid' differ in signedness". 
> ---------------------------------------
> The config.log

Thanks.  Does the patch below fix the probelm?
Run hgcompile after applying it.


Takashi

diff -r 414b1156a8b3 configure.in
--- a/configure.in	Tue Dec 18 16:09:20 2007 +0100
+++ b/configure.in	Fri Dec 21 12:10:53 2007 +0100
@@ -1230,7 +1230,7 @@ esac
 
 dnl set ia32 (X86)
 case "$processor" in
-  i?86*|k?|crusoe|mcyrixiii|mwinchip|viac3_2|mcore2|geodegx*)
+  i?86*|k?|crusoe|mcyrixiii|mwinchip|viac3_2|mcore2|geodegx*|x86_32)
     if $KCC -mpreferred-stack-boundary=2 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then
       c_opts="-mpreferred-stack-boundary=2 $c_opts"
       CONFIG_X86=y