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

From: Inha Song
Date: Fri Aug 29 2014 - 04:03:22 EST


Hi, Lee
Thanks for your review.

On Thu, 28 Aug 2014 12:36:51 +0100
Lee Jones <lee.jones@xxxxxxxxxx> 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@xxxxxxxxxxx>
> > ---
> > 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 â Open source software for ARM SoCs
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