Russell King c65d1fd350 gpio: sa1100: implement get_direction method ...

Allow gpiolib to read back the current IO direction configuration by
implementing the .get_direction callback.  This, in part, allows
debugfs to report the complete true hardware state rather than the
software state.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

2017-03-24 14:04:37 +01:00

7.4 KiB

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