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gpio: Add new flags to control sleep status of GPIOs

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Add new flags to allow users to specify that they are not concerned with
the status of GPIOs whilst in a sleep/low power state.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Charles Keepax 2017-05-23 15:47:29 +01:00 • committed by Linus Walleij
parent f9e3a419aa
commit 05f479bf7d
7 changed files with 26 additions and 0 deletions
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2
include/linux/gpio/machine.h
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@ -9,6 +9,8 @@ enum gpio_lookup_flags {
GPIO_ACTIVE_LOW = (1 << 0),
GPIO_OPEN_DRAIN = (1 << 1),
GPIO_OPEN_SOURCE = (1 << 2),
GPIO_SLEEP_MAINTAIN_VALUE = (0 << 3),
GPIO_SLEEP_MAY_LOOSE_VALUE = (1 << 3),
};
/**