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gpio: lp87565: Set proper output level and direction for direction_output 

The value argument of lp87565_gpio_direction_output() means output level
rather than gpio direction.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Keerthy <j-keerthy@ti.com>
Tested-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Axel Lin 2017-07-03 16:28:12 +08:00 committed by Linus Walleij
parent 727fd697da
commit fa8f6d0619
1 changed files with 24 additions and 22 deletions
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46
drivers/gpio/gpio-lp87565.c
View File

@ -26,6 +26,27 @@ struct lp87565_gpio {
struct regmap *map;
};
static int lp87565_gpio_get(struct gpio_chip *chip, unsigned int offset)
{
struct lp87565_gpio *gpio = gpiochip_get_data(chip);
int ret, val;
ret = regmap_read(gpio->map, LP87565_REG_GPIO_IN, &val);
if (ret < 0)
return ret;
return !!(val & BIT(offset));
}
static void lp87565_gpio_set(struct gpio_chip *chip, unsigned int offset,
int value)
{
struct lp87565_gpio *gpio = gpiochip_get_data(chip);
regmap_update_bits(gpio->map, LP87565_REG_GPIO_OUT,
BIT(offset), value ? BIT(offset) : 0);
}
static int lp87565_gpio_get_direction(struct gpio_chip *chip,
unsigned int offset)
{
@ -54,30 +75,11 @@ static int lp87565_gpio_direction_output(struct gpio_chip *chip,
{
struct lp87565_gpio *gpio = gpiochip_get_data(chip);
lp87565_gpio_set(chip, offset, value);
return regmap_update_bits(gpio->map,
LP87565_REG_GPIO_CONFIG,
BIT(offset), !value ? BIT(offset) : 0);
}
static int lp87565_gpio_get(struct gpio_chip *chip, unsigned int offset)
{
struct lp87565_gpio *gpio = gpiochip_get_data(chip);
int ret, val;
ret = regmap_read(gpio->map, LP87565_REG_GPIO_IN, &val);
if (ret < 0)
return ret;
return !!(val & BIT(offset));
}
static void lp87565_gpio_set(struct gpio_chip *chip, unsigned int offset,
int value)
{
struct lp87565_gpio *gpio = gpiochip_get_data(chip);
regmap_update_bits(gpio->map, LP87565_REG_GPIO_OUT,
BIT(offset), value ? BIT(offset) : 0);
BIT(offset), BIT(offset));
}
static int lp87565_gpio_request(struct gpio_chip *gc, unsigned int offset)