Sourav, On Thu, Feb 3, 2011 at 15:28, Felipe Balbi <balbi@xxxxxx> 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(). My question to your previous version is still unanswered. Would it be relevant to add gpio_set_debounce() for this gpio? -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html