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Message-id: <20140813092609.35a98034@songinha-Samsung-DeskTop-System>
Date: Wed, 13 Aug 2014 09:26:09 +0900
From: Inha Song <ideal.song@...sung.com>
To: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
Cc: broonie@...nel.org, mark.rutland@....com,
devicetree@...r.kernel.org, alsa-devel@...a-project.org,
sameo@...ux.intel.com, pawel.moll@....com,
ijc+devicetree@...lion.org.uk, patches@...nsource.wolfsonmicro.com,
linux-kernel@...r.kernel.org, lgirdwood@...il.com,
cw00.choi@...sung.com, robh+dt@...nel.org, galak@...eaurora.org,
lee.jones@...aro.org
Subject: Re: [alsa-devel] [PATCH 1/2] mfd: arizona: Add support for INn_MODE
register control
Hi, Charles.
Thanks for your review.
On Tue, 12 Aug 2014 09:28:11 +0100
Charles Keepax <ckeepax@...nsource.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@...sung.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
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