[PATCH] pinctrl: bcm2835: Implement get_direction callback

[Eric Anholt]

Stefan Wahren <stefan.wahren at i2se.com> writes:

> Implement gpio_chip's get_direction() callback, that lets other
> drivers get particular GPIOs direction using gpiod_get_direction().

Reviewed-by: Eric Anholt <eric at anholt.net>
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