At Thu, 28 Jan 2010 09:48:44 +0100 (CET),
Jaroslav Kysela wrote:
>
> On Thu, 28 Jan 2010, Wei Ni wrote:
>
> > Hi, Takashi When I develop hdmi audio driver on the GT21x, I found a bug
> > in the had_intel.c In hda_codec.c, it has define "[HDA_PCM_TYPE_HDMI] =
> > { 3, 7, 8, 9, -1 },", it support up to device 9 for HDMI. But in
> > hda_intel.c, it only define AZX_MAX_PCMS as 8. So the GT21x have 4 hdmi
> > codecs, when run azx_attach_pcm_stream(), it will show error "Invalid
> > PCM device number 8", and "... number 9", and return "-EINVAL". We
> > should change the AZX_MAX_PCMS to 10.
>
> I'm afraid, but having more than 8 PCM devices might cause problems when
> CONFIG_SND_DYNAMIC_MINORS is not set. At least, this condition
> (#if SNDRV_PCM_DEVICES < 10) should be handled in the HDA driver.
Indeed. But it'll be give anyway at runtime, so no big issue.
The fix, however, should be merged because of inconsistency between
hda_intel.c and hda_codec.c. We should put this rather in
hda_codec.h so that it can be referred from both.
thanks,
Takashi
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