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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-08-20 20:42:41 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-08-20 20:42:41 +0300
commit5c40cd7db64a2949f268d7467b9be551a565d14b (patch)
treefb8a67f6edcb0c9922c256a598d675c1c04051d6 /include/linux/led-class-flash.h
parent8bde384a2090759efc9b92f34300887d418a2a3a (diff)
parent25bf10be219d37d2fb221c93816a913f5f735530 (diff)
downloadlinux-rolling-stable.tar.xz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/led-class-flash.h')
-rw-r--r--include/linux/led-class-flash.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/led-class-flash.h b/include/linux/led-class-flash.h
index 36df927ec4b7..21ec856c36bc 100644
--- a/include/linux/led-class-flash.h
+++ b/include/linux/led-class-flash.h
@@ -45,6 +45,8 @@ struct led_flash_ops {
int (*timeout_set)(struct led_classdev_flash *fled_cdev, u32 timeout);
/* get the flash LED fault */
int (*fault_get)(struct led_classdev_flash *fled_cdev, u32 *fault);
+ /* set flash duration */
+ int (*duration_set)(struct led_classdev_flash *fled_cdev, u32 duration);
};
/*
@@ -75,6 +77,9 @@ struct led_classdev_flash {
/* flash timeout value in microseconds along with its constraints */
struct led_flash_setting timeout;
+ /* flash timeout value in microseconds along with its constraints */
+ struct led_flash_setting duration;
+
/* LED Flash class sysfs groups */
const struct attribute_group *sysfs_groups[LED_FLASH_SYSFS_GROUPS_SIZE];
};
@@ -209,4 +214,15 @@ int led_set_flash_timeout(struct led_classdev_flash *fled_cdev, u32 timeout);
*/
int led_get_flash_fault(struct led_classdev_flash *fled_cdev, u32 *fault);
+/**
+ * led_set_flash_duration - set flash LED duration
+ * @fled_cdev: the flash LED to set
+ * @timeout: the flash duration to set it to
+ *
+ * Set the flash strobe duration.
+ *
+ * Returns: 0 on success or negative error value on failure
+ */
+int led_set_flash_duration(struct led_classdev_flash *fled_cdev, u32 duration);
+
#endif /* __LINUX_FLASH_LEDS_H_INCLUDED */