* [PATCH 15/62] gpio: gpio-htc-egpio: Use new GPIO_LINE_DIRECTION
[not found] <cover.1572945766.git.matti.vaittinen@fi.rohmeurope.com>
@ 2019-11-05 10:16 ` Matti Vaittinen
0 siblings, 0 replies; only message in thread
From: Matti Vaittinen @ 2019-11-05 10:16 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-htc-egpio.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-htc-egpio.c b/drivers/gpio/gpio-htc-egpio.c
index 6eb56f7ab9c9..100b328fb66e 100644
--- a/drivers/gpio/gpio-htc-egpio.c
+++ b/drivers/gpio/gpio-htc-egpio.c
@@ -220,7 +220,10 @@ static int egpio_get_direction(struct gpio_chip *chip, unsigned offset)
egpio = gpiochip_get_data(chip);
- return !test_bit(offset, &egpio->is_out);
+ if (test_bit(offset, &egpio->is_out))
+ return GPIO_LINE_DIRECTION_OUT;
+
+ return GPIO_LINE_DIRECTION_IN;
}
static void egpio_write_cache(struct egpio_info *ei)
--
2.21.0
--
Matti Vaittinen, Linux device drivers
ROHM Semiconductors, Finland SWDC
Kiviharjunlenkki 1E
90220 OULU
FINLAND
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2019-11-05 10:16 ` [PATCH 15/62] gpio: gpio-htc-egpio: Use new GPIO_LINE_DIRECTION Matti Vaittinen
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