[34/62] gpio: gpio-raspberrypi-exp: Use new GPIO_LINE_DIRECTION
diff mbox series

Message ID 92a9de8da96f57c156ccd24dc37a330e352f6963.1572945875.git.matti.vaittinen@fi.rohmeurope.com
State New
Headers show
Series
  • Untitled series #140701
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Commit Message

Vaittinen, Matti Nov. 5, 2019, 10:28 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-raspberrypi-exp.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

Patch
diff mbox series

diff --git a/drivers/gpio/gpio-raspberrypi-exp.c b/drivers/gpio/gpio-raspberrypi-exp.c
index b77ea16ffa03..bb100e0124e6 100644
--- a/drivers/gpio/gpio-raspberrypi-exp.c
+++ b/drivers/gpio/gpio-raspberrypi-exp.c
@@ -147,7 +147,10 @@  static int rpi_exp_gpio_get_direction(struct gpio_chip *gc, unsigned int off)
 			get.gpio);
 		return ret ? ret : -EIO;
 	}
-	return !get.direction;
+	if (get.direction)
+		return GPIO_LINE_DIRECTION_OUT;
+
+	return GPIO_LINE_DIRECTION_IN;
 }
 
 static int rpi_exp_gpio_get(struct gpio_chip *gc, unsigned int off)