gpio: stp-xway: Implement get callback

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Add an implementation to get the current GPIO state.

The callback is used by the leds-gpio driver for example, in case the
current LED/GPIO state should be kept during driver load.

Signed-off-by: Mathias Kresin <dev@kresin.me>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

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Mathias Kresin 2018-06-28 21:57:40 +02:00 • committed by Linus Walleij

parent bac5c3b829

commit 5b9b2b5284

1 changed files with 15 additions and 0 deletions

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drivers/gpio/gpio-stp-xway.c

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