gpio: max77620: get gpio value based on direction
Gpio direction is determined by DIRx bit of GPIO
configuration register, return max77620 gpio value
based on direction in or out.
Signed-off-by: Venkat Reddy Talla <vreddytalla@nvidia.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-max77620.c b/drivers/gpio/gpio-max77620.c
index 8658c32..b46b436 100644
--- a/drivers/gpio/gpio-max77620.c
+++ b/drivers/gpio/gpio-max77620.c
@@ -123,7 +123,10 @@
return ret;
}
- return !!(val & MAX77620_CNFG_GPIO_INPUT_VAL_MASK);
+ if (val & MAX77620_CNFG_GPIO_DIR_MASK)
+ return !!(val & MAX77620_CNFG_GPIO_INPUT_VAL_MASK);
+ else
+ return !!(val & MAX77620_CNFG_GPIO_OUTPUT_VAL_MASK);
}
static int max77620_gpio_dir_output(struct gpio_chip *gc, unsigned int offset,