84 static int lm3646_mode_ctrl(struct lm3646_flash *flash,  in lm3646_mode_ctrl()  argument
89 		return regmap_write(flash->regmap,  in lm3646_mode_ctrl()
90 				    REG_ENABLE, flash->mode_reg | MODE_SHDN);  in lm3646_mode_ctrl()
92 		return regmap_write(flash->regmap,  in lm3646_mode_ctrl()
93 				    REG_ENABLE, flash->mode_reg | MODE_TORCH);  in lm3646_mode_ctrl()
95 		return regmap_write(flash->regmap,  in lm3646_mode_ctrl()
96 				    REG_ENABLE, flash->mode_reg | MODE_FLASH);  in lm3646_mode_ctrl()
104 	struct lm3646_flash *flash = to_lm3646_flash(ctrl);  in lm3646_get_ctrl()  local
111 	rval = regmap_read(flash->regmap, REG_FLAG, &reg_val);  in lm3646_get_ctrl()
138 	struct lm3646_flash *flash = to_lm3646_flash(ctrl);  in lm3646_set_ctrl()  local
146 			return lm3646_mode_ctrl(flash, ctrl->val);  in lm3646_set_ctrl()
148 		return lm3646_mode_ctrl(flash, V4L2_FLASH_LED_MODE_NONE);  in lm3646_set_ctrl()
151 		return regmap_update_bits(flash->regmap,  in lm3646_set_ctrl()
158 		rval = regmap_read(flash->regmap, REG_ENABLE, &reg_val);  in lm3646_set_ctrl()
162 		return lm3646_mode_ctrl(flash, V4L2_FLASH_LED_MODE_FLASH);  in lm3646_set_ctrl()
171 		rval = regmap_read(flash->regmap, REG_ENABLE, &reg_val);  in lm3646_set_ctrl()
175 			return lm3646_mode_ctrl(flash,  in lm3646_set_ctrl()
180 		return regmap_update_bits(flash->regmap,  in lm3646_set_ctrl()
186 		return regmap_update_bits(flash->regmap,  in lm3646_set_ctrl()
192 		return regmap_update_bits(flash->regmap,  in lm3646_set_ctrl()
206 static int lm3646_init_controls(struct lm3646_flash *flash)  in lm3646_init_controls()  argument
209 	struct v4l2_ctrl_handler *hdl = &flash->ctrls_led;  in lm3646_init_controls()
231 			  LM3646_FLASH_TOUT_STEP, flash->pdata->flash_timeout);  in lm3646_init_controls()
259 	flash->subdev_led.ctrl_handler = hdl;  in lm3646_init_controls()
274 static int lm3646_subdev_init(struct lm3646_flash *flash)  in lm3646_subdev_init()  argument
276 	struct i2c_client *client = to_i2c_client(flash->dev);  in lm3646_subdev_init()
279 	v4l2_i2c_subdev_init(&flash->subdev_led, client, &lm3646_ops);  in lm3646_subdev_init()
280 	flash->subdev_led.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;  in lm3646_subdev_init()
281 	strcpy(flash->subdev_led.name, LM3646_NAME);  in lm3646_subdev_init()
282 	rval = lm3646_init_controls(flash);  in lm3646_subdev_init()
285 	rval = media_entity_init(&flash->subdev_led.entity, 0, NULL, 0);  in lm3646_subdev_init()
288 	flash->subdev_led.entity.type = MEDIA_ENT_T_V4L2_SUBDEV_FLASH;  in lm3646_subdev_init()
292 	v4l2_ctrl_handler_free(&flash->ctrls_led);  in lm3646_subdev_init()
296 static int lm3646_init_device(struct lm3646_flash *flash)  in lm3646_init_device()  argument
302 	rval = regmap_read(flash->regmap, REG_ENABLE, &reg_val);  in lm3646_init_device()
305 	flash->mode_reg = reg_val & 0xfc;  in lm3646_init_device()
308 	rval = lm3646_mode_ctrl(flash, V4L2_FLASH_LED_MODE_NONE);  in lm3646_init_device()
316 	rval = regmap_update_bits(flash->regmap,  in lm3646_init_device()
319 				  (flash->pdata->led1_flash_brt));  in lm3646_init_device()
328 	rval = regmap_update_bits(flash->regmap,  in lm3646_init_device()
331 				  (flash->pdata->led1_torch_brt));  in lm3646_init_device()
336 	return regmap_read(flash->regmap, REG_FLAG, &reg_val);  in lm3646_init_device()
342 	struct lm3646_flash *flash;  in lm3646_probe()  local
346 	flash = devm_kzalloc(&client->dev, sizeof(*flash), GFP_KERNEL);  in lm3646_probe()
347 	if (flash == NULL)  in lm3646_probe()
350 	flash->regmap = devm_regmap_init_i2c(client, &lm3646_regmap);  in lm3646_probe()
351 	if (IS_ERR(flash->regmap))  in lm3646_probe()
352 		return PTR_ERR(flash->regmap);  in lm3646_probe()
366 	flash->pdata = pdata;  in lm3646_probe()
367 	flash->dev = &client->dev;  in lm3646_probe()
369 	rval = lm3646_subdev_init(flash);  in lm3646_probe()
373 	rval = lm3646_init_device(flash);  in lm3646_probe()
377 	i2c_set_clientdata(client, flash);  in lm3646_probe()
384 	struct lm3646_flash *flash = i2c_get_clientdata(client);  in lm3646_remove()  local
386 	v4l2_device_unregister_subdev(&flash->subdev_led);  in lm3646_remove()
387 	v4l2_ctrl_handler_free(&flash->ctrls_led);  in lm3646_remove()
388 	media_entity_cleanup(&flash->subdev_led.entity);  in lm3646_remove()