Re: [PATCH 3/5] Input: bu21013_ts - Add support for Device Treebooting

From: Dmitry Torokhov
Date: Sat Nov 24 2012 - 02:50:07 EST


On Fri, Nov 23, 2012 at 03:52:58PM +0000, Lee Jones wrote:
> On Wed, 14 Nov 2012, Lee Jones wrote:
>
> > Now we can register the BU21013_ts touch screen when booting with
> > Device Tree enabled. Here we parse all the necessary components
> > previously expected to be passed from platform data.
> >
> > Cc: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
> > Cc: linux-input@xxxxxxxxxxxxxxx
> > Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
> > Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
> > Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
> > ---
> > drivers/input/touchscreen/bu21013_ts.c | 39 ++++++++++++++++++++++++++++----
> > 1 file changed, 35 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/input/touchscreen/bu21013_ts.c b/drivers/input/touchscreen/bu21013_ts.c
> > index 5d8fc75..afef874 100644
> > --- a/drivers/input/touchscreen/bu21013_ts.c
> > +++ b/drivers/input/touchscreen/bu21013_ts.c
> > @@ -15,6 +15,8 @@
> > #include <linux/regulator/consumer.h>
> > #include <linux/module.h>
> > #include <linux/gpio.h>
> > +#include <linux/of.h>
> > +#include <linux/of_gpio.h>
> >
> > /* Reference tracking for multiple displays. */
> > static int bu21013_devices = 0;
> > @@ -487,13 +489,33 @@ static void bu21013_free_irq(struct bu21013_ts_data *bu21013_data)
> > * This function used to initializes the i2c-client touchscreen
> > * driver and returns integer.
> > */
> > +static void __devinit bu21013_of_probe(struct device_node *np,
> > + struct bu21013_platform_device *pdata)
> > +{
> > + pdata->y_flip = pdata->x_flip = false;
> > +
> > + if (of_get_property(np, "rohm,flip-x", NULL))
> > + pdata->x_flip = true;

pdata->x_flip = of_property_read_bool(np, "rohm,flip-x");

?

Can I also get patch documenting the DT properties?

Thanks.

--
Dmitry
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/