diff mbox series

[30/62] gpio: gpio-pcie-idio-24: Use new GPIO_LINE_DIRECTION

Message ID b0d91ce784f3587c0b99655a1400652f9514c312.1572945859.git.matti.vaittinen@fi.rohmeurope.com
State New
Headers show
Series None | expand

Commit Message

Matti Vaittinen Nov. 5, 2019, 10:26 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-pcie-idio-24.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/gpio/gpio-pcie-idio-24.c b/drivers/gpio/gpio-pcie-idio-24.c
index 52f1647a46fd..44c1e4fc489f 100644
--- a/drivers/gpio/gpio-pcie-idio-24.c
+++ b/drivers/gpio/gpio-pcie-idio-24.c
@@ -104,15 +104,18 @@  static int idio_24_gpio_get_direction(struct gpio_chip *chip,
 
 	/* FET Outputs */
 	if (offset < 24)
-		return 0;
+		return GPIO_LINE_DIRECTION_OUT;
 
 	/* Isolated Inputs */
 	if (offset < 48)
-		return 1;
+		return GPIO_LINE_DIRECTION_IN;
 
 	/* TTL/CMOS I/O */
 	/* OUT MODE = 1 when TTL/CMOS Output Mode is set */
-	return !(ioread8(&idio24gpio->reg->ctl) & out_mode_mask);
+	if (ioread8(&idio24gpio->reg->ctl) & out_mode_mask)
+		return GPIO_LINE_DIRECTION_OUT;
+
+	return GPIO_LINE_DIRECTION_IN;
 }
 
 static int idio_24_gpio_direction_input(struct gpio_chip *chip,