* [PATCH 39/62] gpio: gpio-sch: Use new GPIO_LINE_DIRECTION
[not found] <cover.1572945894.git.matti.vaittinen@fi.rohmeurope.com>
@ 2019-11-05 10:30 ` Matti Vaittinen
0 siblings, 0 replies; only message in thread
From: Matti Vaittinen @ 2019-11-05 10:30 UTC (permalink / raw)
To: matti.vaittinen, mazziesaccount
Cc: Andy Shevchenko, Linus Walleij, Bartosz Golaszewski, linux-gpio,
linux-kernel
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-sch.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-sch.c b/drivers/gpio/gpio-sch.c
index fb143f28c386..c65f35b68202 100644
--- a/drivers/gpio/gpio-sch.c
+++ b/drivers/gpio/gpio-sch.c
@@ -127,7 +127,10 @@ static int sch_gpio_get_direction(struct gpio_chip *gc, unsigned gpio_num)
{
struct sch_gpio *sch = gpiochip_get_data(gc);
- return sch_gpio_reg_get(sch, gpio_num, GIO);
+ if (sch_gpio_reg_get(sch, gpio_num, GIO))
+ return GPIO_LINE_DIRECTION_IN;
+
+ return GPIO_LINE_DIRECTION_OUT;
}
static const struct gpio_chip sch_gpio_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 =]
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2019-11-05 10:30 ` [PATCH 39/62] gpio: gpio-sch: Use new GPIO_LINE_DIRECTION Matti Vaittinen
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