diff mbox series

[09/62] gpio: gpio-bd70528: Use new GPIO_LINE_DIRECTION

Message ID e3aa60c61175eb7360402bb99a9dcce145b02a7e.1572945725.git.matti.vaittinen@fi.rohmeurope.com
State New
Headers show
Series [01/62] gpio: Add definition for GPIO direction | expand

Commit Message

Matti Vaittinen Nov. 5, 2019, 10:13 a.m. UTC 
It's hard for occasional GPIO code reader/writer to know if values 0/1
equal to IN or OUT. Use defined GPIO_LINE_DIRECTION_IN and
GPIO_LINE_DIRECTION_OUT to help them out.

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
---
 drivers/gpio/gpio-bd70528.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/gpio/gpio-bd70528.c b/drivers/gpio/gpio-bd70528.c
index 0c1ead12d883..734be6b752d0 100644
--- a/drivers/gpio/gpio-bd70528.c
+++ b/drivers/gpio/gpio-bd70528.c
@@ -54,8 +54,10 @@  static int bd70528_get_direction(struct gpio_chip *chip, unsigned int offset)
 		dev_err(bdgpio->chip.dev, "Could not read gpio direction\n");
 		return ret;
 	}
+	if (val & BD70528_GPIO_OUT_EN_MASK)
+		return GPIO_LINE_DIRECTION_OUT;
 
-	return !(val & BD70528_GPIO_OUT_EN_MASK);
+	return GPIO_LINE_DIRECTION_IN;
 }
 
 static int bd70528_gpio_set_config(struct gpio_chip *chip, unsigned int offset,
@@ -166,9 +168,9 @@  static int bd70528_gpio_get(struct gpio_chip *chip, unsigned int offset)
 	 * locking would make no sense.
 	 */
 	ret = bd70528_get_direction(chip, offset);
-	if (ret == 0)
+	if (ret == GPIO_LINE_DIRECTION_OUT)
 		ret = bd70528_gpio_get_o(bdgpio, offset);
-	else if (ret == 1)
+	else if (ret == GPIO_LINE_DIRECTION_IN)
 		ret = bd70528_gpio_get_i(bdgpio, offset);
 	else
 		dev_err(bdgpio->chip.dev, "failed to read GPIO direction\n");