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gpio: max77620: get gpio value based on direction

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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>
This commit is contained in:
Venkat Reddy Talla 2016-06-27 16:26:24 +05:30 committed by Linus Walleij
parent 7eebe96f22
commit 1941b4419a
1 changed files with 4 additions and 1 deletions
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3
drivers/gpio/gpio-max77620.c
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@ -123,7 +123,10 @@ static int max77620_gpio_get(struct gpio_chip *gc, unsigned int offset)
return ret; return ret;
} }
if (val & MAX77620_CNFG_GPIO_DIR_MASK)
return !!(val & MAX77620_CNFG_GPIO_INPUT_VAL_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, static int max77620_gpio_dir_output(struct gpio_chip *gc, unsigned int offset,