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[ Upstream commit bb084c0f61d659f0e6d371b096e0e57998f191d6 ] The documentation was wrong, gpiod_get_direction() returns 0/1 instead of the GPIOF_* flags. The docs were fixed with commit 94fc73094abe47 ("gpio: correct docs about return value of gpiod_get_direction"). Now, fix this user (until a better, system-wide solution is in place). Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Acked-by: Daniel Thompson <daniel.thompson@linaro.org> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>