From mboxrd@z Thu Jan 1 00:00:00 1970 From: Charles Keepax Subject: Re: [alsa-devel] [PATCH 1/2] mfd: arizona: Add support for INn_MODE register control Date: Tue, 12 Aug 2014 09:28:11 +0100 Message-ID: <20140812082811.GB15833@opensource.wolfsonmicro.com> References: <20140809173138.767b97fd@songinha-Samsung-DeskTop-System> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20140809173138.767b97fd@songinha-Samsung-DeskTop-System> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Inha Song Cc: broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org, sameo-VuQAYsv1563Yd54FQh9/CA@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, patches-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, lgirdwood-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, cw00.choi-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org List-Id: devicetree@vger.kernel.org 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 > --- > 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. Thanks, Charles -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html