Em Saturday 29 September 2007 18:53:29 Herton Ronaldo Krzesinski escreveu:
> On Saturday 29 September 2007 06:07:17 zhejiang wrote:
> > Seems that the spec->input_mux contains no item at all.
> > So system maybe crash in the snd_hda_input_mux_info() when try to copy
> > the items[].label,which is null pointer.
> >
> > May you replace the function stac92xx_mux_enum_info() in
> > alsa-driver-1.0.15rc2/alsa-kernel/pci/hda/patch_sigmatel.c ?
> >
> > static int stac92xx_mux_enum_info(struct snd_kcontrol *kcontrol, struct
> > snd_ctl_elem_info *uinfo)
> > {
> > struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
> > struct sigmatel_spec *spec = codec->spec;
> > printk("spec->input_mux->num_items is %d
> > \n",spec->input_mux->num_items);
> > if(!spec->input_mux->num_items)
> > return 0;
> > return snd_hda_input_mux_info(spec->input_mux, uinfo);
> > }
> >
> > Does it still crash?
> > What's the number of num_items?
I received feedback from the reporter:
spec->input_mux->num_items is 0
Also sound works fine, no more crashes.
--
[]'s
Herton
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