v4l2_flash

v4l2_flash_init
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Name

v4l2_flash_init — initialize V4L2 flash led sub-device

Synopsis

`struct v4l2_flash * v4l2_flash_init (`	struct device * `dev`,
	struct device_node * `of_node`,
	struct led_classdev_flash * `fled_cdev`,
	struct led_classdev_flash * `iled_cdev`,
	const struct v4l2_flash_ops * `ops`,
	struct v4l2_flash_config * `config)`;

Arguments

dev: flash device, e.g. an I2C device
of_node: of_node of the LED, may be NULL if the same as device's
fled_cdev: LED flash class device to wrap
iled_cdev: LED flash class device representing indicator LED associated with fled_cdev, may be NULL
ops: V4L2 Flash device ops
config: initialization data for V4L2 Flash sub-device

Description

Create V4L2 Flash sub-device wrapping given LED subsystem device.

Returns

A valid pointer, or, when an error occurs, the return value is encoded using ERR_PTR. Use IS_ERR to check and PTR_ERR to obtain the numeric return value.