[PATCH 51/62] gpio: gpio-ts4900: Use new GPIO_LINE_DIRECTION
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From: Matti Vaittinen <hidden>
Date: 2019-11-05 10:35:25
Also in:
lkml
Subsystem:
gpio subsystem, the rest · Maintainers:
Linus Walleij, Bartosz Golaszewski, Linus Torvalds
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 <redacted> --- drivers/gpio/gpio-ts4900.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-ts4900.c b/drivers/gpio/gpio-ts4900.c
index 1da8d0586329..d885032cf814 100644
--- a/drivers/gpio/gpio-ts4900.c
+++ b/drivers/gpio/gpio-ts4900.c@@ -44,7 +44,10 @@ static int ts4900_gpio_get_direction(struct gpio_chip *chip, regmap_read(priv->regmap, offset, ®); - return !(reg & TS4900_GPIO_OE); + if (reg & TS4900_GPIO_OE) + return GPIO_LINE_DIRECTION_OUT; + + return GPIO_LINE_DIRECTION_IN; } static int ts4900_gpio_direction_input(struct gpio_chip *chip,
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2.21.0
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Matti Vaittinen, Linux device drivers
ROHM Semiconductors, Finland SWDC
Kiviharjunlenkki 1E
90220 OULU
FINLAND
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