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authorCharles Keepax <ckeepax@opensource.wolfsonmicro.com>2017-05-23 15:47:29 +0100
committerLinus Walleij <linus.walleij@linaro.org>2017-05-29 11:07:55 +0200
commit05f479bf7d239f01ff6546f2bdeb14ad0fe65601 (patch)
tree01007d9e5d3d3093d50cb01a1c715c142c63d4d1 /include/linux/gpio/driver.h
parentf9e3a419aa53d77a9ba348f587775aea726fcafa (diff)
gpio: Add new flags to control sleep status of GPIOs
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>
Diffstat (limited to 'include/linux/gpio/driver.h')
-rw-r--r--include/linux/gpio/driver.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 393582867afd..af20369ec8e7 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -213,6 +213,9 @@ bool gpiochip_line_is_irq(struct gpio_chip *chip, unsigned int offset);
bool gpiochip_line_is_open_drain(struct gpio_chip *chip, unsigned int offset);
bool gpiochip_line_is_open_source(struct gpio_chip *chip, unsigned int offset);
+/* Sleep persistence inquiry for drivers */
+bool gpiochip_line_is_persistent(struct gpio_chip *chip, unsigned int offset);
+
/* get driver data */
void *gpiochip_get_data(struct gpio_chip *chip);