182 	int ret;  in ov490_read()  local
184 	ret = i2c_master_send(dev->isp, buf, 2);  in ov490_read()
185 	if (ret == 2)  in ov490_read()
186 		ret = i2c_master_recv(dev->isp, val, 1);  in ov490_read()
188 	if (ret < 0) {  in ov490_read()
190 			__func__, reg, ret);  in ov490_read()
191 		return ret;  in ov490_read()
200 	int ret;  in ov490_write()  local
202 	ret = i2c_master_send(dev->isp, buf, 3);  in ov490_write()
203 	if (ret < 0) {  in ov490_write()
205 			__func__, reg, ret);  in ov490_write()
206 		return ret;  in ov490_write()
216 	int ret;  in ov490_set_page()  local
222 		ret = ov490_write(dev, OV490_PAGE_HIGH_REG, page_high);  in ov490_set_page()
223 		if (ret)  in ov490_set_page()
224 			return ret;  in ov490_set_page()
228 		ret = ov490_write(dev, OV490_PAGE_LOW_REG, page_low);  in ov490_set_page()
229 		if (ret)  in ov490_set_page()
230 			return ret;  in ov490_set_page()
241 	int ret;  in ov490_read_reg()  local
243 	ret = ov490_set_page(dev, reg >> 16);  in ov490_read_reg()
244 	if (ret)  in ov490_read_reg()
245 		return ret;  in ov490_read_reg()
247 	ret = ov490_read(dev, (u16)reg, val);  in ov490_read_reg()
248 	if (ret)  in ov490_read_reg()
249 		return ret;  in ov490_read_reg()
258 	int ret;  in ov490_write_reg()  local
260 	ret = ov490_set_page(dev, reg >> 16);  in ov490_write_reg()
261 	if (ret)  in ov490_write_reg()
262 		return ret;  in ov490_write_reg()
264 	ret = ov490_write(dev, (u16)reg, val);  in ov490_write_reg()
265 	if (ret)  in ov490_write_reg()
266 		return ret;  in ov490_write_reg()
391 	int ret;  in ov490_initialize()  local
400 		ret = ov490_read_reg(dev, OV490_PID, &pid);  in ov490_initialize()
401 		if (ret == 0)  in ov490_initialize()
406 		dev_err(dev->dev, "OV490 PID read failed (%d)\n", ret);  in ov490_initialize()
407 		return ret;  in ov490_initialize()
410 	ret = ov490_read_reg(dev, OV490_VER, &ver);  in ov490_initialize()
411 	if (ret < 0)  in ov490_initialize()
412 		return ret;  in ov490_initialize()
432 	ret = ov10640_check_id(dev);  in ov490_initialize()
433 	if (ret)  in ov490_initialize()
434 		return ret;  in ov490_initialize()
438 		ret = ov490_write(dev, ov490_regs_wizard[i].reg,  in ov490_initialize()
440 		if (ret < 0) {  in ov490_initialize()
443 				__func__, i, ov490_regs_wizard[i].reg, ret);  in ov490_initialize()
475 	int ret;  in rdacm21_initialize()  local
480 	ret = max9271_set_serial_link(&dev->serializer, false);  in rdacm21_initialize()
481 	if (ret)  in rdacm21_initialize()
482 		return ret;  in rdacm21_initialize()
485 	ret = max9271_configure_i2c(&dev->serializer,  in rdacm21_initialize()
489 	if (ret)  in rdacm21_initialize()
490 		return ret;  in rdacm21_initialize()
492 	ret = max9271_verify_id(&dev->serializer);  in rdacm21_initialize()
493 	if (ret)  in rdacm21_initialize()
494 		return ret;  in rdacm21_initialize()
500 	ret = max9271_enable_gpios(&dev->serializer, MAX9271_GPIO1OUT);  in rdacm21_initialize()
501 	if (ret)  in rdacm21_initialize()
502 		return ret;  in rdacm21_initialize()
504 	ret = max9271_clear_gpios(&dev->serializer, MAX9271_GPIO1OUT);  in rdacm21_initialize()
505 	if (ret)  in rdacm21_initialize()
506 		return ret;  in rdacm21_initialize()
509 	ret = max9271_configure_gmsl_link(&dev->serializer);  in rdacm21_initialize()
510 	if (ret)  in rdacm21_initialize()
511 		return ret;  in rdacm21_initialize()
513 	ret = max9271_set_address(&dev->serializer, dev->addrs[0]);  in rdacm21_initialize()
514 	if (ret)  in rdacm21_initialize()
515 		return ret;  in rdacm21_initialize()
518 	ret = max9271_set_translation(&dev->serializer, dev->addrs[1],  in rdacm21_initialize()
520 	if (ret)  in rdacm21_initialize()
521 		return ret;  in rdacm21_initialize()
525 	ret = max9271_set_gpios(&dev->serializer, MAX9271_GPIO1OUT);  in rdacm21_initialize()
526 	if (ret)  in rdacm21_initialize()
527 		return ret;  in rdacm21_initialize()
530 	ret = ov490_initialize(dev);  in rdacm21_initialize()
531 	if (ret)  in rdacm21_initialize()
532 		return ret;  in rdacm21_initialize()
546 	int ret;  in rdacm21_probe()  local
554 	ret = of_property_read_u32_array(client->dev.of_node, "reg",  in rdacm21_probe()
556 	if (ret < 0) {  in rdacm21_probe()
557 		dev_err(dev->dev, "Invalid DT reg property: %d\n", ret);  in rdacm21_probe()
566 	ret = rdacm21_initialize(dev);  in rdacm21_probe()
567 	if (ret < 0)  in rdacm21_probe()
580 	ret = dev->ctrls.error;  in rdacm21_probe()
581 	if (ret)  in rdacm21_probe()
586 	ret = media_entity_pads_init(&dev->sd.entity, 1, &dev->pad);  in rdacm21_probe()
587 	if (ret < 0)  in rdacm21_probe()
590 	ret = v4l2_async_register_subdev(&dev->sd);  in rdacm21_probe()
591 	if (ret)  in rdacm21_probe()
601 	return ret;  in rdacm21_probe()