49 static int adp1653_update_hw(struct adp1653_flash *flash)  in adp1653_update_hw()  argument
51 	struct i2c_client *client = v4l2_get_subdevdata(&flash->subdev);  in adp1653_update_hw()
57 		flash->indicator_intensity->val)  in adp1653_update_hw()
60 	switch (flash->led_mode->val) {  in adp1653_update_hw()
66 		config |= TIMEOUT_US_TO_CODE(flash->flash_timeout->val)  in adp1653_update_hw()
72 			flash->torch_intensity->val)  in adp1653_update_hw()
88 static int adp1653_get_fault(struct adp1653_flash *flash)  in adp1653_get_fault()  argument
90 	struct i2c_client *client = v4l2_get_subdevdata(&flash->subdev);  in adp1653_get_fault()
98 	flash->fault |= fault;  in adp1653_get_fault()
100 	if (!flash->fault)  in adp1653_get_fault()
108 	flash->led_mode->val = V4L2_FLASH_LED_MODE_NONE;  in adp1653_get_fault()
110 	rval = adp1653_update_hw(flash);  in adp1653_get_fault()
114 	return flash->fault;  in adp1653_get_fault()
117 static int adp1653_strobe(struct adp1653_flash *flash, int enable)  in adp1653_strobe()  argument
119 	struct i2c_client *client = v4l2_get_subdevdata(&flash->subdev);  in adp1653_strobe()
121 		flash->indicator_intensity->val)  in adp1653_strobe()
125 	if (flash->led_mode->val != V4L2_FLASH_LED_MODE_FLASH)  in adp1653_strobe()
133 		flash->flash_intensity->val)  in adp1653_strobe()
153 	struct adp1653_flash *flash =  in adp1653_get_ctrl()  local
157 	rval = adp1653_get_fault(flash);  in adp1653_get_ctrl()
163 	if (flash->fault & ADP1653_REG_FAULT_FLT_SCP)  in adp1653_get_ctrl()
165 	if (flash->fault & ADP1653_REG_FAULT_FLT_OT)  in adp1653_get_ctrl()
167 	if (flash->fault & ADP1653_REG_FAULT_FLT_TMR)  in adp1653_get_ctrl()
169 	if (flash->fault & ADP1653_REG_FAULT_FLT_OV)  in adp1653_get_ctrl()
172 	flash->fault = 0;  in adp1653_get_ctrl()
179 	struct adp1653_flash *flash =  in adp1653_set_ctrl()  local
183 	rval = adp1653_get_fault(flash);  in adp1653_set_ctrl()
196 		return adp1653_strobe(flash, 1);  in adp1653_set_ctrl()
198 		return adp1653_strobe(flash, 0);  in adp1653_set_ctrl()
201 	return adp1653_update_hw(flash);  in adp1653_set_ctrl()
209 static int adp1653_init_controls(struct adp1653_flash *flash)  in adp1653_init_controls()  argument
213 	v4l2_ctrl_handler_init(&flash->ctrls, 9);  in adp1653_init_controls()
215 	flash->led_mode =  in adp1653_init_controls()
216 		v4l2_ctrl_new_std_menu(&flash->ctrls, &adp1653_ctrl_ops,  in adp1653_init_controls()
219 	v4l2_ctrl_new_std_menu(&flash->ctrls, &adp1653_ctrl_ops,  in adp1653_init_controls()
222 	v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,  in adp1653_init_controls()
224 	v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,  in adp1653_init_controls()
226 	flash->flash_timeout =  in adp1653_init_controls()
227 		v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,  in adp1653_init_controls()
229 				  flash->platform_data->max_flash_timeout,  in adp1653_init_controls()
231 				  flash->platform_data->max_flash_timeout);  in adp1653_init_controls()
232 	flash->flash_intensity =  in adp1653_init_controls()
233 		v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,  in adp1653_init_controls()
236 				  flash->platform_data->max_flash_intensity,  in adp1653_init_controls()
237 				  1, flash->platform_data->max_flash_intensity);  in adp1653_init_controls()
238 	flash->torch_intensity =  in adp1653_init_controls()
239 		v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,  in adp1653_init_controls()
242 				  flash->platform_data->max_torch_intensity,  in adp1653_init_controls()
244 				  flash->platform_data->max_torch_intensity);  in adp1653_init_controls()
245 	flash->indicator_intensity =  in adp1653_init_controls()
246 		v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,  in adp1653_init_controls()
249 				  flash->platform_data->max_indicator_intensity,  in adp1653_init_controls()
252 	fault = v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,  in adp1653_init_controls()
258 	if (flash->ctrls.error)  in adp1653_init_controls()
259 		return flash->ctrls.error;  in adp1653_init_controls()
263 	flash->subdev.ctrl_handler = &flash->ctrls;  in adp1653_init_controls()
272 adp1653_init_device(struct adp1653_flash *flash)  in adp1653_init_device()  argument
274 	struct i2c_client *client = v4l2_get_subdevdata(&flash->subdev);  in adp1653_init_device()
284 	mutex_lock(flash->ctrls.lock);  in adp1653_init_device()
286 	flash->fault = 0;  in adp1653_init_device()
287 	rval = adp1653_get_fault(flash);  in adp1653_init_device()
288 	mutex_unlock(flash->ctrls.lock);  in adp1653_init_device()
294 	mutex_lock(flash->ctrls.lock);  in adp1653_init_device()
295 	rval = adp1653_update_hw(flash);  in adp1653_init_device()
296 	mutex_unlock(flash->ctrls.lock);  in adp1653_init_device()
307 __adp1653_set_power(struct adp1653_flash *flash, int on)  in __adp1653_set_power()  argument
311 	ret = flash->platform_data->power(&flash->subdev, on);  in __adp1653_set_power()
318 	ret = adp1653_init_device(flash);  in __adp1653_set_power()
320 		flash->platform_data->power(&flash->subdev, 0);  in __adp1653_set_power()
328 	struct adp1653_flash *flash = to_adp1653_flash(subdev);  in adp1653_set_power()  local
331 	mutex_lock(&flash->power_lock);  in adp1653_set_power()
336 	if (flash->power_count == !on) {  in adp1653_set_power()
337 		ret = __adp1653_set_power(flash, !!on);  in adp1653_set_power()
343 	flash->power_count += on ? 1 : -1;  in adp1653_set_power()
344 	WARN_ON(flash->power_count < 0);  in adp1653_set_power()
347 	mutex_unlock(&flash->power_lock);  in adp1653_set_power()
383 	struct adp1653_flash *flash = to_adp1653_flash(subdev);  in adp1653_suspend()  local
385 	if (!flash->power_count)  in adp1653_suspend()
388 	return __adp1653_set_power(flash, 0);  in adp1653_suspend()
395 	struct adp1653_flash *flash = to_adp1653_flash(subdev);  in adp1653_resume()  local
397 	if (!flash->power_count)  in adp1653_resume()
400 	return __adp1653_set_power(flash, 1);  in adp1653_resume()
413 	struct adp1653_flash *flash;  in adp1653_probe()  local
420 	flash = devm_kzalloc(&client->dev, sizeof(*flash), GFP_KERNEL);  in adp1653_probe()
421 	if (flash == NULL)  in adp1653_probe()
424 	flash->platform_data = client->dev.platform_data;  in adp1653_probe()
426 	mutex_init(&flash->power_lock);  in adp1653_probe()
428 	v4l2_i2c_subdev_init(&flash->subdev, client, &adp1653_ops);  in adp1653_probe()
429 	flash->subdev.internal_ops = &adp1653_internal_ops;  in adp1653_probe()
430 	flash->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;  in adp1653_probe()
432 	ret = adp1653_init_controls(flash);  in adp1653_probe()
436 	ret = media_entity_init(&flash->subdev.entity, 0, NULL, 0);  in adp1653_probe()
440 	flash->subdev.entity.type = MEDIA_ENT_T_V4L2_SUBDEV_FLASH;  in adp1653_probe()
445 	v4l2_ctrl_handler_free(&flash->ctrls);  in adp1653_probe()
452 	struct adp1653_flash *flash = to_adp1653_flash(subdev);  in adp1653_remove()  local
454 	v4l2_device_unregister_subdev(&flash->subdev);  in adp1653_remove()
455 	v4l2_ctrl_handler_free(&flash->ctrls);  in adp1653_remove()
456 	media_entity_cleanup(&flash->subdev.entity);  in adp1653_remove()