[alsa-devel] [PATCH 1/2] mfd: arizona: Add support for INn_MODE register control

[Inha Song]

Hi, Charles.

Thanks for your review.

On Tue, 12 Aug 2014 09:28:11 +0100
Charles Keepax <ckeepax at opensource.wolfsonmicro.com> wrote:

> On Sat, Aug 09, 2014 at 05:31:38PM +0900, Inha Song wrote:
> > Some boards need to set the INn_MODE[1:0] register to change
> > the input signal patch. This wlf,inmode property is optional.
> > If present values must be specified by the number of
> > ARIZONA_MAX_INPUT.
> > 
> > Example:
> >    - wlf,inmode = <2 0 2 0>;	/* IN1, IN3 use DMIC */
> > 
> > Signed-off-by: Inha Song <ideal.song at samsung.com>
> > ---
> >  drivers/mfd/arizona-core.c | 4 ++++
> >  1 file changed, 4 insertions(+)
> > 
> > diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
> > index 10a0cb9..4b2eb73 100644
> > --- a/drivers/mfd/arizona-core.c
> > +++ b/drivers/mfd/arizona-core.c
> > @@ -560,6 +560,10 @@ static int arizona_of_get_core_pdata(struct arizona *arizona)
> >  			ret);
> >  	}
> >  
> > +	of_property_read_u32_array(arizona->dev->of_node,
> > +					 "wlf,inmode",
> > +					 arizona->pdata.inmode,
> > +					 ARRAY_SIZE(arizona->pdata.inmode));
> 
> Might be better to allow the device tree to be shorter than the
> array in pdata, should this get expanded on future devices.
> 

OK, I will fix in v2 to use "of_property_count_u32_elems" and "of_property_read_u32_index".

Best regards,
Inha Song.

> Thanks,
> Charles