summaryrefslogtreecommitdiff
path: root/drivers/gpio/gpiolib.h
diff options
context:
space:
mode:
authorBartosz Golaszewski <bartosz.golaszewski@linaro.org>2023-08-21 17:18:27 +0300
committerBartosz Golaszewski <bartosz.golaszewski@linaro.org>2023-08-22 10:37:46 +0300
commit9ce4ed5b4db13633f9934a4eac02c4cde04d5c63 (patch)
treecc1a729486d8ee9717cab5d01a35bd058c47ee57 /drivers/gpio/gpiolib.h
parent91043f559313fb04ac18253fcf18561a40c1b045 (diff)
downloadlinux-9ce4ed5b4db13633f9934a4eac02c4cde04d5c63.tar.xz
gpiolib: provide and use gpiod_line_state_notify()
Wrap the calls to blocking_notifier_call_chain() for the line state notifier with a helper that allows us to use fewer lines of code and simpler syntax. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Diffstat (limited to 'drivers/gpio/gpiolib.h')
-rw-r--r--drivers/gpio/gpiolib.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h
index e860ed434bc2..a0a67569300b 100644
--- a/drivers/gpio/gpiolib.h
+++ b/drivers/gpio/gpiolib.h
@@ -147,6 +147,7 @@ int gpiod_set_array_value_complex(bool raw, bool can_sleep,
extern spinlock_t gpio_lock;
extern struct list_head gpio_devices;
+void gpiod_line_state_notify(struct gpio_desc *desc, unsigned long action);
/**
* struct gpio_desc - Opaque descriptor for a GPIO