[alsa-devel] [PATCH v2 1/2] mfd: arizona: Add support for INn_Mode register control

Inha Song ideal.song at samsung.com
Mon Aug 25 11:20:01 CEST 2014


Hi Lee,

On Thu, 21 Aug 2014 13:12:19 +0100
Lee Jones <lee.jones at linaro.org> wrote:

> On Wed, 13 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 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 at samsung.com>
> > ---
> >  drivers/mfd/arizona-core.c | 11 ++++++++++-
> >  1 file changed, 10 insertions(+), 1 deletion(-)
> 
> This is going to require a DT Ack.
> 
> Is [2/2] adding the documentation?  I can't easily go and look because
> you send the patch-set unthreaded.  Please thread patch-sets.  See
> the man page for `git send-email` for more information.
> 

Sorry, I will resend this patch set to use "git send email".

Best regards,
Inha Song.

> > diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
> > index 10a0cb9..2b68ccd 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 +560,15 @@ 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)) {
> > +		for (i = 0; i < proplen; i++)
> > +			of_property_read_u32_index(arizona->dev->of_node,
> > +						   "wlf,inmode", i,
> > +						    &arizona->pdata.inmode[i]);
> > +	}
> > +
> >  	return 0;
> >  }
> >  
> 
> -- 
> Lee Jones
> Linaro STMicroelectronics Landing Team Lead
> Linaro.org │ Open source software for ARM SoCs
> Follow Linaro: Facebook | Twitter | Blog
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