struct v4l2_flash_config — V4L2 Flash sub-device initialization data
struct v4l2_flash_config {
char dev_name[32];
struct led_flash_setting torch_intensity;
struct led_flash_setting indicator_intensity;
u32 flash_faults;
unsigned int has_external_strobe:1;
}; the name of the media entity, unique in the system
constraints for the LED in torch mode
constraints for the indicator LED
bitmask of flash faults that the LED flash class device can report; corresponding LED_FAULT* bit definitions are available in the header file <linux/led-class-flash.h>
external strobe capability