include/media/v4l2-flash-led-class.h

1 /* SPDX-License-Identifier: GPL-2.0-only */
3  * V4L2 flash LED sub-device registration helpers.
12 #include <media/v4l2-ctrls.h>
13 #include <media/v4l2-subdev.h>
21  * struct v4l2_flash_ctrl_data - flash control initialization data, filled
22  *				basing on the features declared by the LED flash
25  * @cid:	contains v4l2 flash control id if the config
34  * struct v4l2_flash_ops - V4L2 flash operations
36  * @external_strobe_set: Setup strobing the flash by hardware pin state
53  * struct v4l2_flash_config - V4L2 Flash sub-device initialization data
56  * @intensity:			non-flash strobe constraints for the LED
57  * @flash_faults:		bitmask of flash faults that the LED flash class
60  *				<linux/led-class-flash.h>
71  * struct v4l2_flash - Flash sub-device context
72  * @fled_cdev:		LED flash class device controlled by this sub-device
74  *			with the LED flash class device
75  * @ops:		V4L2 specific flash ops
76  * @sd:			V4L2 sub-device
77  * @hdl:		flash controls handler
79  *			the sub-device state
92  * v4l2_subdev_to_v4l2_flash - Returns a &struct v4l2_flash from the
93  * &struct v4l2_subdev embedded on it.
104  * v4l2_ctrl_to_v4l2_flash - Returns a &struct v4l2_flash from the
105  * &struct v4l2_ctrl embedded on it.
111 	return container_of(c->handler, struct v4l2_flash, hdl);  in v4l2_ctrl_to_v4l2_flash()
116  * v4l2_flash_init - initialize V4L2 flash led sub-device
117  * @dev:	flash device, e.g. an I2C device
119  * @fled_cdev:	LED flash class device to wrap
120  * @ops:	V4L2 Flash device ops
121  * @config:	initialization data for V4L2 Flash sub-device
123  * Create V4L2 Flash sub-device wrapping given LED subsystem device.
124  * The ops pointer is stored by the V4L2 flash framework. No
138  * v4l2_flash_indicator_init - initialize V4L2 indicator sub-device
139  * @dev:	flash device, e.g. an I2C device
141  * @iled_cdev:	LED flash class device representing the indicator LED
142  * @config:	initialization data for V4L2 Flash sub-device
144  * Create V4L2 Flash sub-device wrapping given LED subsystem device.
145  * The ops pointer is stored by the V4L2 flash framework. No
158  * v4l2_flash_release - release V4L2 Flash sub-device
159  * @v4l2_flash: the V4L2 Flash sub-device to release
161  * Release V4L2 Flash sub-device.