47 static int adp1653_update_hw(struct adp1653_flash *flash)  in adp1653_update_hw()  argument
49 	struct i2c_client *client = v4l2_get_subdevdata(&flash->subdev);  in adp1653_update_hw()
55 		flash->indicator_intensity->val)  in adp1653_update_hw()
58 	switch (flash->led_mode->val) {  in adp1653_update_hw()
64 		config |= TIMEOUT_US_TO_CODE(flash->flash_timeout->val)  in adp1653_update_hw()
70 			flash->torch_intensity->val)  in adp1653_update_hw()
86 static int adp1653_get_fault(struct adp1653_flash *flash)  in adp1653_get_fault()  argument
88 	struct i2c_client *client = v4l2_get_subdevdata(&flash->subdev);  in adp1653_get_fault()
96 	flash->fault |= fault;  in adp1653_get_fault()
98 	if (!flash->fault)  in adp1653_get_fault()
106 	flash->led_mode->val = V4L2_FLASH_LED_MODE_NONE;  in adp1653_get_fault()
108 	rval = adp1653_update_hw(flash);  in adp1653_get_fault()
112 	return flash->fault;  in adp1653_get_fault()
115 static int adp1653_strobe(struct adp1653_flash *flash, int enable)  in adp1653_strobe()  argument
117 	struct i2c_client *client = v4l2_get_subdevdata(&flash->subdev);  in adp1653_strobe()
119 		flash->indicator_intensity->val)  in adp1653_strobe()
123 	if (flash->led_mode->val != V4L2_FLASH_LED_MODE_FLASH)  in adp1653_strobe()
131 		flash->flash_intensity->val)  in adp1653_strobe()
151 	struct adp1653_flash *flash =  in adp1653_get_ctrl()  local
155 	rval = adp1653_get_fault(flash);  in adp1653_get_ctrl()
161 	if (flash->fault & ADP1653_REG_FAULT_FLT_SCP)  in adp1653_get_ctrl()
163 	if (flash->fault & ADP1653_REG_FAULT_FLT_OT)  in adp1653_get_ctrl()
165 	if (flash->fault & ADP1653_REG_FAULT_FLT_TMR)  in adp1653_get_ctrl()
167 	if (flash->fault & ADP1653_REG_FAULT_FLT_OV)  in adp1653_get_ctrl()
170 	flash->fault = 0;  in adp1653_get_ctrl()
177 	struct adp1653_flash *flash =  in adp1653_set_ctrl()  local
181 	rval = adp1653_get_fault(flash);  in adp1653_set_ctrl()
194 		return adp1653_strobe(flash, 1);  in adp1653_set_ctrl()
196 		return adp1653_strobe(flash, 0);  in adp1653_set_ctrl()
199 	return adp1653_update_hw(flash);  in adp1653_set_ctrl()
207 static int adp1653_init_controls(struct adp1653_flash *flash)  in adp1653_init_controls()  argument
211 	v4l2_ctrl_handler_init(&flash->ctrls, 9);  in adp1653_init_controls()
213 	flash->led_mode =  in adp1653_init_controls()
214 		v4l2_ctrl_new_std_menu(&flash->ctrls, &adp1653_ctrl_ops,  in adp1653_init_controls()
217 	v4l2_ctrl_new_std_menu(&flash->ctrls, &adp1653_ctrl_ops,  in adp1653_init_controls()
220 	v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,  in adp1653_init_controls()
222 	v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,  in adp1653_init_controls()
224 	flash->flash_timeout =  in adp1653_init_controls()
225 		v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,  in adp1653_init_controls()
227 				  flash->platform_data->max_flash_timeout,  in adp1653_init_controls()
229 				  flash->platform_data->max_flash_timeout);  in adp1653_init_controls()
230 	flash->flash_intensity =  in adp1653_init_controls()
231 		v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,  in adp1653_init_controls()
234 				  flash->platform_data->max_flash_intensity,  in adp1653_init_controls()
235 				  1, flash->platform_data->max_flash_intensity);  in adp1653_init_controls()
236 	flash->torch_intensity =  in adp1653_init_controls()
237 		v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,  in adp1653_init_controls()
240 				  flash->platform_data->max_torch_intensity,  in adp1653_init_controls()
242 				  flash->platform_data->max_torch_intensity);  in adp1653_init_controls()
243 	flash->indicator_intensity =  in adp1653_init_controls()
244 		v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,  in adp1653_init_controls()
247 				  flash->platform_data->max_indicator_intensity,  in adp1653_init_controls()
250 	fault = v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,  in adp1653_init_controls()
256 	if (flash->ctrls.error)  in adp1653_init_controls()
257 		return flash->ctrls.error;  in adp1653_init_controls()
261 	flash->subdev.ctrl_handler = &flash->ctrls;  in adp1653_init_controls()
270 adp1653_init_device(struct adp1653_flash *flash)  in adp1653_init_device()  argument
272 	struct i2c_client *client = v4l2_get_subdevdata(&flash->subdev);  in adp1653_init_device()
282 	mutex_lock(flash->ctrls.lock);  in adp1653_init_device()
284 	flash->fault = 0;  in adp1653_init_device()
285 	rval = adp1653_get_fault(flash);  in adp1653_init_device()
286 	mutex_unlock(flash->ctrls.lock);  in adp1653_init_device()
292 	mutex_lock(flash->ctrls.lock);  in adp1653_init_device()
293 	rval = adp1653_update_hw(flash);  in adp1653_init_device()
294 	mutex_unlock(flash->ctrls.lock);  in adp1653_init_device()
305 __adp1653_set_power(struct adp1653_flash *flash, int on)  in __adp1653_set_power()  argument
309 	if (flash->platform_data->power) {  in __adp1653_set_power()
310 		ret = flash->platform_data->power(&flash->subdev, on);  in __adp1653_set_power()
314 		gpiod_set_value(flash->platform_data->enable_gpio, on);  in __adp1653_set_power()
323 	ret = adp1653_init_device(flash);  in __adp1653_set_power()
327 	if (flash->platform_data->power)  in __adp1653_set_power()
328 		flash->platform_data->power(&flash->subdev, 0);  in __adp1653_set_power()
330 		gpiod_set_value(flash->platform_data->enable_gpio, 0);  in __adp1653_set_power()
338 	struct adp1653_flash *flash = to_adp1653_flash(subdev);  in adp1653_set_power()  local
341 	mutex_lock(&flash->power_lock);  in adp1653_set_power()
346 	if (flash->power_count == !on) {  in adp1653_set_power()
347 		ret = __adp1653_set_power(flash, !!on);  in adp1653_set_power()
353 	flash->power_count += on ? 1 : -1;  in adp1653_set_power()
354 	WARN_ON(flash->power_count < 0);  in adp1653_set_power()
357 	mutex_unlock(&flash->power_lock);  in adp1653_set_power()
393 	struct adp1653_flash *flash = to_adp1653_flash(subdev);  in adp1653_suspend()  local
395 	if (!flash->power_count)  in adp1653_suspend()
398 	return __adp1653_set_power(flash, 0);  in adp1653_suspend()
405 	struct adp1653_flash *flash = to_adp1653_flash(subdev);  in adp1653_resume()  local
407 	if (!flash->power_count)  in adp1653_resume()
410 	return __adp1653_set_power(flash, 1);  in adp1653_resume()
421 			   struct adp1653_flash *flash,  in adp1653_of_init()  argument
430 	flash->platform_data = pd;  in adp1653_of_init()
480 	struct adp1653_flash *flash;  in adp1653_probe()  local
483 	flash = devm_kzalloc(&client->dev, sizeof(*flash), GFP_KERNEL);  in adp1653_probe()
484 	if (flash == NULL)  in adp1653_probe()
488 		ret = adp1653_of_init(client, flash, client->dev.of_node);  in adp1653_probe()
497 		flash->platform_data = client->dev.platform_data;  in adp1653_probe()
500 	mutex_init(&flash->power_lock);  in adp1653_probe()
502 	v4l2_i2c_subdev_init(&flash->subdev, client, &adp1653_ops);  in adp1653_probe()
503 	flash->subdev.internal_ops = &adp1653_internal_ops;  in adp1653_probe()
504 	flash->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;  in adp1653_probe()
506 	ret = adp1653_init_controls(flash);  in adp1653_probe()
510 	ret = media_entity_pads_init(&flash->subdev.entity, 0, NULL);  in adp1653_probe()
514 	flash->subdev.entity.function = MEDIA_ENT_F_FLASH;  in adp1653_probe()
520 	v4l2_ctrl_handler_free(&flash->ctrls);  in adp1653_probe()
527 	struct adp1653_flash *flash = to_adp1653_flash(subdev);  in adp1653_remove()  local
529 	v4l2_device_unregister_subdev(&flash->subdev);  in adp1653_remove()
530 	v4l2_ctrl_handler_free(&flash->ctrls);  in adp1653_remove()
531 	media_entity_cleanup(&flash->subdev.entity);  in adp1653_remove()