[alsa-devel] [PATCH 1/1] ALSA: hda - Fix jack gating when auto_{mute, mic} is suppressed.

[Chih-Chung Chang]

On Mon, Aug 5, 2013 at 3:24 PM, Takashi Iwai <tiwai at suse.de> wrote:

> At Mon,  5 Aug 2013 12:09:21 +0800,
> Chih-Chung Chang wrote:
> >
> > The snd_hda_jack_set_gating_jack() call didn't work when
> > auto_{mute,mic} is suppressed because (1) am_entry is
> > not filled with nid of the mic pin. (2) The jacks are not
> > created (by snd_hda_jack_detect_enable_callback) before the
> > snd_hda_jack_set_gating_jack call.
> >
> > Now we use the first input pin nid directly, and create the jack if it
> > doesn't exist yet.
> >
> > Signed-off-by: Chih-Chung Chang <chihchung at chromium.org>
>
> Where we need this kind of fix, the choice of the mic pin via
> autocfg.inputs[0].pin doesn't look right.  For example, an internal
> mic pin with a smaller NID than an external mic pin would screw it
> up.
>

Thanks for review. I will send a revised patch.


>
>
> thanks,
>
> Takashi
>
>
> >
> > diff --git a/sound/pci/hda/hda_jack.c b/sound/pci/hda/hda_jack.c
> > index 3fd2973..aa02c0f 100644
> > --- a/sound/pci/hda/hda_jack.c
> > +++ b/sound/pci/hda/hda_jack.c
> > @@ -247,8 +247,8 @@ EXPORT_SYMBOL_HDA(snd_hda_jack_detect_enable);
> >  int snd_hda_jack_set_gating_jack(struct hda_codec *codec, hda_nid_t
> gated_nid,
> >                                hda_nid_t gating_nid)
> >  {
> > -     struct hda_jack_tbl *gated = snd_hda_jack_tbl_get(codec,
> gated_nid);
> > -     struct hda_jack_tbl *gating = snd_hda_jack_tbl_get(codec,
> gating_nid);
> > +     struct hda_jack_tbl *gated = snd_hda_jack_tbl_new(codec,
> gated_nid);
> > +     struct hda_jack_tbl *gating = snd_hda_jack_tbl_new(codec,
> gating_nid);
> >
> >       if (!gated || !gating)
> >               return -EINVAL;
> > diff --git a/sound/pci/hda/patch_realtek.c
> b/sound/pci/hda/patch_realtek.c
> > index 8bd2261..2b64de5 100644
> > --- a/sound/pci/hda/patch_realtek.c
> > +++ b/sound/pci/hda/patch_realtek.c
> > @@ -3258,11 +3258,12 @@ static void alc271_hp_gate_mic_jack(struct
> hda_codec *codec,
> >       struct alc_spec *spec = codec->spec;
> >
> >       if (action == HDA_FIXUP_ACT_PROBE) {
> > -             if (snd_BUG_ON(!spec->gen.am_entry[1].pin ||
> > -                            !spec->gen.autocfg.hp_pins[0]))
> > +             int mic_pin = spec->gen.autocfg.inputs[0].pin;
> > +             int hp_pin = spec->gen.autocfg.hp_pins[0];
> > +
> > +             if (snd_BUG_ON(!mic_pin || !hp_pin))
> >                       return;
> > -             snd_hda_jack_set_gating_jack(codec,
> spec->gen.am_entry[1].pin,
> > -                                          spec->gen.autocfg.hp_pins[0]);
> > +             snd_hda_jack_set_gating_jack(codec, mic_pin, hp_pin);
> >       }
> >  }
> >
> > --
> > 1.8.3
> >
>