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

From: Inha Song
Date: Thu Dec 18 2014 - 02:43:08 EST


Hi,
Sorry for the late reply.

On Tue, 09 Dec 2014 08:57:17 +0000
Lee Jones <lee.jones@xxxxxxxxxx> wrote:

> On Mon, 08 Dec 2014, Inha Song wrote:
>
> > Some boards need to set the OUTn_MONO register to configurates
> > the output signal path as a mono differential output. This
> > wlf,out-mono property is optional. If present, values must be
> > specified less than or equal to the number of output signals.
> > If values less than the number of output signals, elements
> > that has not been specified are set to 0 by default.
> >
> > Example:
> > - wlf,out-mono = <1 0 1>; /* set OUT1,OUT3 to mono differential */
> >
> > Signed-off-by: Inha Song <ideal.song@xxxxxxxxxxx>
> > ---
> > drivers/mfd/arizona-core.c | 10 ++++++++++
> > 1 file changed, 10 insertions(+)
> >
> > diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
> > index bce7c07..117be32 100644
> > --- a/drivers/mfd/arizona-core.c
> > +++ b/drivers/mfd/arizona-core.c
> > @@ -561,6 +561,16 @@ static int arizona_of_get_core_pdata(struct arizona *arizona)
> > count++;
> > }
> >
> > + count = 0;
> > + of_property_for_each_u32(arizona->dev->of_node, "wlf,out-mono", prop,
> > + cur, val) {
>
> Nit: Can you break after the first parameter instead?
>
> > + if (count == ARRAY_SIZE(arizona->pdata.out_mono))
>
> It's better practise to use ">=".

OK, I will fix this.

Best Regards,
Inha Song.

>
> > + break;
> > +
> > + arizona->pdata.out_mono[count] = !!val;
> > + count++;
> > + }
> > +
> > return 0;
> > }
> >
>
> --
> Lee Jones
> Linaro STMicroelectronics Landing Team Lead
> Linaro.org â Open source software for ARM SoCs
> Follow Linaro: Facebook | Twitter | Blog
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