* [PATCH 19/62] gpio: gpio-lp87565: Use new GPIO_LINE_DIRECTION
[not found] <cover.1572945778.git.matti.vaittinen@fi.rohmeurope.com>
@ 2019-11-05 10:18 ` Matti Vaittinen
0 siblings, 0 replies; only message in thread
From: Matti Vaittinen @ 2019-11-05 10:18 UTC (permalink / raw)
To: matti.vaittinen, mazziesaccount
Cc: 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-lp87565.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-lp87565.c b/drivers/gpio/gpio-lp87565.c
index a121c8f10610..e1244520cf7d 100644
--- a/drivers/gpio/gpio-lp87565.c
+++ b/drivers/gpio/gpio-lp87565.c
@@ -57,7 +57,10 @@ static int lp87565_gpio_get_direction(struct gpio_chip *chip,
if (ret < 0)
return ret;
- return !(val & BIT(offset));
+ if (val & BIT(offset))
+ return GPIO_LINE_DIRECTION_OUT;
+
+ return GPIO_LINE_DIRECTION_IN;
}
static int lp87565_gpio_direction_input(struct gpio_chip *chip,
--
2.21.0
--
Matti Vaittinen, Linux device drivers
ROHM Semiconductors, Finland SWDC
Kiviharjunlenkki 1E
90220 OULU
FINLAND
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Simon says - in Latin please.
~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~
Thanks to Simon Glass for the translation =]
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[not found] <cover.1572945778.git.matti.vaittinen@fi.rohmeurope.com>
2019-11-05 10:18 ` [PATCH 19/62] gpio: gpio-lp87565: Use new GPIO_LINE_DIRECTION Matti Vaittinen
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