[alsa-devel] [PATCH 5/6] ESI W192M : Add text Line in/Mic for selecting input gain state

Clément Guedez klem.dev at gmail.com
Sat Mar 14 14:45:24 CET 2015


Hi,

I had a look on the snd_ctl_enum_info function, it will be better with it
for sure.

Excuse me, but what do you mean by the control name suffix ?

After correcting those, I will send the whole patchset.

Thanks

2015-03-14 9:10 GMT+01:00 Takashi Iwai <tiwai at suse.de>:

> At Sat, 14 Mar 2015 03:31:41 +0100,
> klem.dev at gmail.com wrote:
> >
> > From: Clément Guedez <klem.dev at gmail.com>
> >
> > Add text Line in/Mic for selecting input gain state in mixer for ESI
> W192M.
> >
> > Signed-off-by: Clément Guedez <klem.dev at gmail.com>
> >
> > diff --git a/sound/pci/ice1712/wtm.c b/sound/pci/ice1712/wtm.c
> > index 3af9daf..497ff1a 100644
> > --- a/sound/pci/ice1712/wtm.c
> > +++ b/sound/pci/ice1712/wtm.c
> > @@ -339,8 +339,23 @@ static int stac9460_adc_vol_put(struct snd_kcontrol
> *kcontrol,
> >  /*
> >   * MIC / LINE switch fonction
> >   */
> > +static int stac9460_mic_sw_info(struct snd_kcontrol *kcontrol,
> > +                             struct snd_ctl_elem_info *uinfo)
> > +{
> > +     static char *texts[2] = { "Line In", "Mic" };
> > +
> > +     uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
> > +     uinfo->count = 1;
> > +     uinfo->value.enumerated.items = 2;
> > +     if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
> > +             uinfo->value.enumerated.item =
> uinfo->value.enumerated.items
> > +             - 1;
> > +     strcpy(uinfo->value.enumerated.name,
> > +             texts[uinfo->value.enumerated.item]);
> > +
> > +     return 0;
>
> You can use snd_ctl_enum_info() helper.
>
> Also, if you change from a switch to an enum, fix the control name
> suffix, too.
>
>
> Takashi
>
>
> > +}
> >
> > -#define stac9460_mic_sw_info         snd_ctl_boolean_mono_info
> >
> >  static int stac9460_mic_sw_get(struct snd_kcontrol *kcontrol,
> >                               struct snd_ctl_elem_value *ucontrol)
> > @@ -354,7 +369,7 @@ static int stac9460_mic_sw_get(struct snd_kcontrol
> *kcontrol,
> >               val = stac9460_get(ice, STAC946X_GENERAL_PURPOSE);
> >       else
> >               val = stac9460_2_get(ice, STAC946X_GENERAL_PURPOSE);
> > -     ucontrol->value.integer.value[0] = ~val>>7 & 0x1;
> > +     ucontrol->value.enumerated.item[0] = (val >> 7) & 0x1;
> >       return 0;
> >  }
> >
> > @@ -370,7 +385,7 @@ static int stac9460_mic_sw_put(struct snd_kcontrol
> *kcontrol,
> >               old = stac9460_get(ice, STAC946X_GENERAL_PURPOSE);
> >       else
> >               old = stac9460_2_get(ice, STAC946X_GENERAL_PURPOSE);
> > -     new = (~ucontrol->value.integer.value[0] << 7 & 0x80) | (old &
> ~0x80);
> > +     new = (ucontrol->value.enumerated.item[0] << 7 & 0x80) | (old &
> ~0x80);
> >       change = (new != old);
> >       if (change) {
> >               if (id == 0)
> > --
> > 2.1.4
> >
>


More information about the Alsa-devel mailing list