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Documentation: gpio: correct return value of gpiod_get_direction

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The use of the GPIOF_* flags is deprecated, so don't advertise them
here. Document the plain numbers for now until we have a better
solution.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Wolfram Sang 2018-01-09 12:35:54 +01:00 committed by Linus Walleij
parent 94fc73094a
commit 9961dbcd22
1 changed files with 1 additions and 1 deletions
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Documentation/gpio/consumer.txt
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@ -184,7 +184,7 @@ A driver can also query the current direction of a GPIO:
int gpiod_get_direction(const struct gpio_desc *desc)
This function will return either GPIOF_DIR_IN or GPIOF_DIR_OUT.
This function returns 0 for output, 1 for input, or an error code in case of error.
Be aware that there is no default direction for GPIOs. Therefore, **using a GPIO
without setting its direction first is illegal and will result in undefined