* [PATCH 12/62] gpio: gpio-exar: Use new GPIO_LINE_DIRECTION
[not found] <cover.1572945749.git.matti.vaittinen@fi.rohmeurope.com>
@ 2019-11-05 10:15 ` Matti Vaittinen
0 siblings, 0 replies; only message in thread
From: Matti Vaittinen @ 2019-11-05 10:15 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-exar.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-exar.c b/drivers/gpio/gpio-exar.c
index fae327d5b06e..da1ef0b1c291 100644
--- a/drivers/gpio/gpio-exar.c
+++ b/drivers/gpio/gpio-exar.c
@@ -77,7 +77,10 @@ static int exar_get_direction(struct gpio_chip *chip, unsigned int offset)
EXAR_OFFSET_MPIOSEL_HI : EXAR_OFFSET_MPIOSEL_LO;
unsigned int bit = (offset + exar_gpio->first_pin) % 8;
- return !!(exar_get(chip, addr) & BIT(bit));
+ if (exar_get(chip, addr) & BIT(bit))
+ return GPIO_LINE_DIRECTION_IN;
+
+ return GPIO_LINE_DIRECTION_OUT;
}
static int exar_get_value(struct gpio_chip *chip, unsigned int offset)
--
2.21.0
--
Matti Vaittinen, Linux device drivers
ROHM Semiconductors, Finland SWDC
Kiviharjunlenkki 1E
90220 OULU
FINLAND
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Thanks to Simon Glass for the translation =]
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2019-11-05 10:15 ` [PATCH 12/62] gpio: gpio-exar: Use new GPIO_LINE_DIRECTION Matti Vaittinen
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