diff options
Diffstat (limited to 'include/linux/gpio')
| -rw-r--r-- | include/linux/gpio/driver.h | 3 | ||||
| -rw-r--r-- | include/linux/gpio/machine.h | 9 |
2 files changed, 12 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); diff --git a/include/linux/gpio/machine.h b/include/linux/gpio/machine.h index c0d712d22b07..6e76b16fcade 100644 --- a/include/linux/gpio/machine.h +++ b/include/linux/gpio/machine.h @@ -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), }; /** @@ -56,7 +58,14 @@ struct gpiod_lookup_table { .flags = _flags, \ } +#ifdef CONFIG_GPIOLIB void gpiod_add_lookup_table(struct gpiod_lookup_table *table); void gpiod_remove_lookup_table(struct gpiod_lookup_table *table); +#else +static inline +void gpiod_add_lookup_table(struct gpiod_lookup_table *table) {} +static inline +void gpiod_remove_lookup_table(struct gpiod_lookup_table *table) {} +#endif #endif /* __LINUX_GPIO_MACHINE_H */ |
