[alsa-devel] [PATCH 1/3] ASoC: max98090: read micbias from device property

[Yang Fang]

On Wed, May 27, 2015 at 02:35:40PM -0700, Anish Kumar wrote:
> > From: "Fang, Yang A" <yang.a.fang at intel.com>
> >
> > This patch reads max98090 micbias from acpi or dt
> >
> > Signed-off-by: Fang, Yang A <yang.a.fang at intel.com>
> > ---
> >  sound/soc/codecs/max98090.c |    9 ++++++++-
> >  1 file changed, 8 insertions(+), 1 deletion(-)
> >
> > diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c
> > index c230626..27df17e 100644
> > --- a/sound/soc/codecs/max98090.c
> > +++ b/sound/soc/codecs/max98090.c
> > @@ -2419,6 +2419,8 @@ static int max98090_probe(struct snd_soc_codec *codec)
> >         struct max98090_cdata *cdata;
> >         enum max98090_type devtype;
> >         int ret = 0;
> > +       int err;
> > +       unsigned int micbias;
> >
> >         dev_dbg(codec->dev, "max98090_probe\n");
> >
> > @@ -2503,8 +2505,13 @@ static int max98090_probe(struct snd_soc_codec *codec)
> >         snd_soc_write(codec, M98090_REG_BIAS_CONTROL,
> >                 M98090_VCM_MODE_MASK);
> >
> > +       err = device_property_read_u32(codec->dev, "max,micbias", &micbias);
> 
>             if (err || micbias < M98090_MBVSEL_2V2 || micbias > M98090_MBVSEL_2V8)
>                  micbias = M98090_MBVSEL_2V8;
> Just stick sanity as well.
thanks.will include in v2. waiting for more comments