From: Luotao Fu on
to set an GPIO pin to input, the corresponding bit in GPDR needs to be cleared
instead of set. fixed with this patch.

Signed-off-by: Luotao Fu <l.fu(a)pengutronix.de>
---
drivers/gpio/stmpe-gpio.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/gpio/stmpe-gpio.c b/drivers/gpio/stmpe-gpio.c
index a4de271..4e1f1b9 100644
--- a/drivers/gpio/stmpe-gpio.c
+++ b/drivers/gpio/stmpe-gpio.c
@@ -88,7 +88,7 @@ static int stmpe_gpio_direction_input(struct gpio_chip *chip,
u8 reg = stmpe->regs[STMPE_IDX_GPDR_LSB] - (offset / 8);
u8 mask = 1 << (offset % 8);

- return stmpe_set_bits(stmpe, reg, mask, mask);
+ return stmpe_set_bits(stmpe, reg, mask, 0);
}

static int stmpe_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
--
1.7.1

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