At Tue, 20 Mar 2007 17:08:48 +0100,
I wrote:
>
> At Tue, 20 Mar 2007 12:05:07 -0400,
> Chuck Ebbert wrote:
> >
> > Takashi Iwai wrote:
> > >
> > > X60/T60 is known to be often broken regarding the communication
> > > between the controller and the codec chip. When this kind of thing
> > > happens, the driver tries to switch to a single-shot I/O without using
> > > ring-buffers and IRQs, and even in such a mode, the communication gets
> > > broken. FWIW, it doesn't happen on other machines with HD-audio, so
> > > it's fairly specific to X60/T60. No idea why.
> >
> > What about Acer Aspire 5102?
> >
> > http://lkml.org/lkml/2006/12/3/9
>
> This is a different problem.
> A known workaround is to provide probe_mask=1 module option.
BTW, does this happen on the latest linus git tree? (rc4 may work,
though)
If yes, could you try the patch below?
thanks,
Takashi
diff -r 1dd843b6ffa7 sound/pci/hda/hda_intel.c
--- a/sound/pci/hda/hda_intel.c Tue Mar 20 11:33:46 2007 +0100
+++ b/sound/pci/hda/hda_intel.c Tue Mar 20 17:16:20 2007 +0100
@@ -198,6 +198,7 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO
#define RIRB_INT_MASK 0x05
/* STATESTS int mask: SD2,SD1,SD0 */
+#define AZX_MAX_CODECS 3
#define STATESTS_INT_MASK 0x07
/* SD_CTL bits */
@@ -991,7 +992,7 @@ static int __devinit azx_codec_create(st
return err;
codecs = 0;
- for (c = 0; c < azx_max_codecs[chip->driver_type]; c++) {
+ for (c = 0; c < AZX_MAX_CODECS; c++) {
if ((chip->codec_mask & (1 << c)) & probe_mask) {
err = snd_hda_codec_new(chip->bus, c, NULL);
if (err < 0)
@@ -999,7 +1000,18 @@ static int __devinit azx_codec_create(st
codecs++;
}
}
- if (! codecs) {
+ if (!codecs) {
+ /* probe additional slots if no codec is found */
+ for (; c < azx_max_codecs[chip->driver_type]; c++) {
+ if ((chip->codec_mask & (1 << c)) & probe_mask) {
+ err = snd_hda_codec_new(chip->bus, c, NULL);
+ if (err < 0)
+ continue;
+ codecs++;
+ }
+ }
+ }
+ if (!codecs) {
snd_printk(KERN_ERR SFX "no codecs initialized\n");
return -ENXIO;
}
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
