diff options
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/cs5535-gpio.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpio/cs5535-gpio.c b/drivers/gpio/cs5535-gpio.c index 0fdbe94f24a..0c3c498f226 100644 --- a/drivers/gpio/cs5535-gpio.c +++ b/drivers/gpio/cs5535-gpio.c @@ -154,7 +154,7 @@ static int chip_gpio_request(struct gpio_chip *c, unsigned offset) static int chip_gpio_get(struct gpio_chip *chip, unsigned offset) { - return cs5535_gpio_isset(offset, GPIO_OUTPUT_VAL); + return cs5535_gpio_isset(offset, GPIO_READ_BACK); } static void chip_gpio_set(struct gpio_chip *chip, unsigned offset, int val) @@ -172,6 +172,7 @@ static int chip_direction_input(struct gpio_chip *c, unsigned offset) spin_lock_irqsave(&chip->lock, flags); __cs5535_gpio_set(chip, offset, GPIO_INPUT_ENABLE); + __cs5535_gpio_clear(chip, offset, GPIO_OUTPUT_ENABLE); spin_unlock_irqrestore(&chip->lock, flags); return 0; @@ -184,6 +185,7 @@ static int chip_direction_output(struct gpio_chip *c, unsigned offset, int val) spin_lock_irqsave(&chip->lock, flags); + __cs5535_gpio_set(chip, offset, GPIO_INPUT_ENABLE); __cs5535_gpio_set(chip, offset, GPIO_OUTPUT_ENABLE); if (val) __cs5535_gpio_set(chip, offset, GPIO_OUTPUT_VAL); |