[PATCH 41/62] gpio: gpio-stmpe: Use new GPIO_LINE_DIRECTION

From: Matti Vaittinen
Date: Tue Nov 05 2019 - 05:31:45 EST


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@xxxxxxxxxxxxxxxxx>
---
drivers/gpio/gpio-stmpe.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-stmpe.c b/drivers/gpio/gpio-stmpe.c
index 994d542daf53..542706a852e6 100644
--- a/drivers/gpio/gpio-stmpe.c
+++ b/drivers/gpio/gpio-stmpe.c
@@ -84,7 +84,10 @@ static int stmpe_gpio_get_direction(struct gpio_chip *chip,
if (ret < 0)
return ret;

- return !(ret & mask);
+ if (ret & mask)
+ return GPIO_LINE_DIRECTION_OUT;
+
+ return GPIO_LINE_DIRECTION_IN;
}

static int stmpe_gpio_direction_output(struct gpio_chip *chip,
--
2.21.0


--
Matti Vaittinen, Linux device drivers
ROHM Semiconductors, Finland SWDC
Kiviharjunlenkki 1E
90220 OULU
FINLAND

~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~
Simon says - in Latin please.
~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~
Thanks to Simon Glass for the translation =]