On Wed, Aug 13, 2014 at 08:53:13PM +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 <[email protected]> > --- > drivers/mfd/arizona-core.c | 11 ++++++++++- > 1 file changed, 10 insertions(+), 1 deletion(-) > > 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]); > + } > +
of_property_read_u32_array with proplen as the length should be ok here since we know the size is smaller than the inmode array. Thanks, Charles -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
