On Thu, Feb 03, 2011 at 11:58:45AM +0200, Felipe Balbi wrote: > On Thu, Feb 03, 2011 at 03:18:50PM +0530, Sourav Poddar wrote: > > The ads7846 driver requests a gpio to detect pendown events, > > but does not configure its direction. Configure this gpio > > as an input after requesting it. > > > > Signed-off-by: Sourav Poddar <sourav.poddar@xxxxxx> > > --- > > changes between v2 and v1: Added return error support in v2. > > > > drivers/input/touchscreen/ads7846.c | 7 +++++++ > > 1 files changed, 7 insertions(+), 0 deletions(-) > > > > diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c > > index 036f245..f30768b 100644 > > --- a/drivers/input/touchscreen/ads7846.c > > +++ b/drivers/input/touchscreen/ads7846.c > > @@ -962,6 +962,13 @@ static int __devinit ads7846_setup_pendown(struct spi_device *spi, struct ads784 > > return err; > > } > > > > + err = gpio_direction_input(pdata->gpio_pendown); > > + if (err) { > > + dev_err(&spi->dev, "failed to configure pendown GPIO input direction %d\n", > > + pdata->gpio_pendown); > > + return err; > > and now you miss a gpio_free(). Better use gpio_request_one()? -- Pengutronix e.K. | Wolfram Sang | Industrial Linux Solutions | http://www.pengutronix.de/ |
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