On Tue, Nov 17, 2009 at 1:37 AM, Takashi Iwai <tiwai@xxxxxxx> wrote: > > At Mon, 16 Nov 2009 15:20:32 -0800, > Christian Hergert wrote: > > > > Hi, > > > > I made a patch to fix bug 4657[1] on the tracker. I'm fairly certain that > > it isn't the correct approach but would like some feedback on what that > > would be. > > > > The power-mappings in patch_sigmatel.c seem to allow you to flip multiple > > bits. In the case of the Dell docking station, you need to enable some bits > > while disabling others. Therefore, instead of using the power mappings I > > just hacked in a quick check to work for the hardware I have on hand. If > > there is a proper way to fix this that I have missed, I'll be more than > > happy to fix the patch appropriately. > > > > [1] https://bugtrack.alsa-project.org/alsa-bug/view.php?id=4657 > > The jack detection of the docking station is already there, but it seems > just a missing call to toggle the power-map. > > How about the patch below? > > > thanks, > > Takashi > > --- > diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c > index 7f76a97..bd9a2dd 100644 > --- a/sound/pci/hda/patch_sigmatel.c > +++ b/sound/pci/hda/patch_sigmatel.c > @@ -4396,10 +4396,12 @@ static void stac92xx_set_pinctl(struct hda_codec *codec, hda_nid_t nid, > pin_ctl &= ~(AC_PINCTL_IN_EN | AC_PINCTL_OUT_EN); > > pin_ctl |= flag; > - if (old_ctl != pin_ctl) > + if (old_ctl != pin_ctl) { > snd_hda_codec_write_cache(codec, nid, 0, > AC_VERB_SET_PIN_WIDGET_CONTROL, > pin_ctl); > + stac_toggle_power_map(codec, nid, 1); > + } > } > > static void stac92xx_reset_pinctl(struct hda_codec *codec, hda_nid_t nid, > @@ -4407,10 +4409,12 @@ static void stac92xx_reset_pinctl(struct hda_codec *codec, hda_nid_t nid, > { > unsigned int pin_ctl = snd_hda_codec_read(codec, nid, > 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0x00); > - if (pin_ctl & flag) > + if (pin_ctl & flag) { > snd_hda_codec_write_cache(codec, nid, 0, > AC_VERB_SET_PIN_WIDGET_CONTROL, > pin_ctl & ~flag); > + stac_toggle_power_map(codec, nid, 0); > + } > } > > static int get_pin_presence(struct hda_codec *codec, hda_nid_t nid) I tried this on top of 2.6.31.4 and, unfortunately, it did not solve the problem. I'll investigate a bit to figure out why. -- Christian _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
