Re: [alsa-devel] [PATCH v3 1/2] mfd: arizona: Add support for INn_Modec register control

[Inha Song <ideal.song@samsung.com>]

Hi, Lee
Thanks for your review.

On Thu, 28 Aug 2014 12:36:51 +0100
Lee Jones <lee.jones@linaro.org> wrote:

> On Mon, 18 Aug 2014, 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 less than or equal to
> > the number of input singals. If values less than the number
> > of input signals, elements that has not been specifed are set
> > to 0 by default.
> > 
> > Example:
> >    - wlf,inmode = <2 0 2>;	/* IN1, IN3 use DMIC */
> > 
> > Signed-off-by: Inha Song <ideal.song@samsung.com>
> > ---
> >  drivers/mfd/arizona-core.c | 8 +++++++-
> >  1 file changed, 7 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
> > index 10a0cb9..81e6db8 100644
> > --- a/drivers/mfd/arizona-core.c
> > +++ b/drivers/mfd/arizona-core.c
> > @@ -534,7 +534,7 @@ EXPORT_SYMBOL_GPL(arizona_of_get_named_gpio);
> >  static int arizona_of_get_core_pdata(struct arizona *arizona)
> >  {
> >  	struct arizona_pdata *pdata = &arizona->pdata;
> > -	int ret, i;
> > +	int ret, i, proplen;
> >  
> >  	pdata->reset = arizona_of_get_named_gpio(arizona, "wlf,reset", true);
> >  
> > @@ -560,6 +560,12 @@ static int arizona_of_get_core_pdata(struct arizona *arizona)
> >  			ret);
> >  	}
> >  
> > +	proplen = of_property_count_u32_elems(arizona->dev->of_node,
> > +					      "wlf,inmode");
> > +	if (proplen > 0 && proplen <= ARRAY_SIZE(arizona->pdata.inmode))
> > +		of_property_read_u32_array(arizona->dev->of_node, "wlf,inmode",
> > +					   arizona->pdata.inmode, proplen);
> 
> of_property_for_each_u32()?

Is it more clear to use of_property_for_each_u32() instead of
of_property_read_u32_array()?

If so, I will fix in v5.

Best regards,
Inha Song.

> 
> -- 
> Lee Jones
> Linaro STMicroelectronics Landing Team Lead
> Linaro.org │ Open source software for ARM SoCs
> Follow Linaro: Facebook | Twitter | Blog