124 	int error;  in silead_ts_request_input_dev()  local
149 	error = input_register_device(data->input);  in silead_ts_request_input_dev()
150 	if (error) {  in silead_ts_request_input_dev()
151 		dev_err(dev, "Failed to register input device: %d\n", error);  in silead_ts_request_input_dev()
152 			return error;  in silead_ts_request_input_dev()
161 	int error;  in silead_ts_request_pen_input_dev()  local
183 	error = input_register_device(data->pen_input);  in silead_ts_request_pen_input_dev()
184 	if (error) {  in silead_ts_request_pen_input_dev()
185 		dev_err(dev, "Failed to register pen input device: %d\n", error);  in silead_ts_request_pen_input_dev()
186 		return error;  in silead_ts_request_pen_input_dev()
248 	int touch_nr, softbutton, error, i;  in silead_ts_read_data()  local
251 	error = i2c_smbus_read_i2c_block_data(client, SILEAD_REG_DATA,  in silead_ts_read_data()
253 	if (error < 0) {  in silead_ts_read_data()
254 		dev_err(dev, "Data read error %d\n", error);  in silead_ts_read_data()
317 	int error;  in silead_ts_init()  local
319 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_RESET,  in silead_ts_init()
321 	if (error)  in silead_ts_init()
325 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_TOUCH_NR,  in silead_ts_init()
327 	if (error)  in silead_ts_init()
331 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_CLOCK,  in silead_ts_init()
333 	if (error)  in silead_ts_init()
337 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_RESET,  in silead_ts_init()
339 	if (error)  in silead_ts_init()
346 	dev_err(&client->dev, "Registers clear error %d\n", error);  in silead_ts_init()
347 	return error;  in silead_ts_init()
352 	int error;  in silead_ts_reset()  local
354 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_RESET,  in silead_ts_reset()
356 	if (error)  in silead_ts_reset()
360 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_CLOCK,  in silead_ts_reset()
362 	if (error)  in silead_ts_reset()
366 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_POWER,  in silead_ts_reset()
368 	if (error)  in silead_ts_reset()
375 	dev_err(&client->dev, "Chip reset error %d\n", error);  in silead_ts_reset()
376 	return error;  in silead_ts_reset()
381 	int error;  in silead_ts_startup()  local
383 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_RESET, 0x00);  in silead_ts_startup()
384 	if (error) {  in silead_ts_startup()
385 		dev_err(&client->dev, "Startup error %d\n", error);  in silead_ts_startup()
386 		return error;  in silead_ts_startup()
401 	int error;  in silead_ts_load_fw()  local
427 	error = firmware_request_nowarn(&fw, data->fw_name, dev);  in silead_ts_load_fw()
428 	if (error) {  in silead_ts_load_fw()
429 		error = firmware_request_platform(&fw, data->fw_name, dev);  in silead_ts_load_fw()
430 		if (error) {  in silead_ts_load_fw()
431 			dev_err(dev, "Firmware request error %d\n", error);  in silead_ts_load_fw()
432 			return error;  in silead_ts_load_fw()
435 		error = device_property_read_u32_array(dev, "silead,efi-fw-min-max",  in silead_ts_load_fw()
438 		if (!error)  in silead_ts_load_fw()
454 		error = i2c_smbus_write_i2c_block_data(client,  in silead_ts_load_fw()
458 		if (error) {  in silead_ts_load_fw()
459 			dev_err(dev, "Firmware load error %d\n", error);  in silead_ts_load_fw()
465 	return error ?: 0;  in silead_ts_load_fw()
470 	int error;  in silead_ts_get_status()  local
473 	error = i2c_smbus_read_i2c_block_data(client, SILEAD_REG_STATUS,  in silead_ts_get_status()
475 	if (error < 0) {  in silead_ts_get_status()
476 		dev_err(&client->dev, "Status read error %d\n", error);  in silead_ts_get_status()
477 		return error;  in silead_ts_get_status()
487 	int error;  in silead_ts_get_id()  local
489 	error = i2c_smbus_read_i2c_block_data(client, SILEAD_REG_ID,  in silead_ts_get_id()
491 	if (error < 0)  in silead_ts_get_id()
492 		return error;  in silead_ts_get_id()
502 	int error;  in silead_ts_setup()  local
532 …dev_warn(&client->dev, FW_BUG "Stuck I2C bus: please ignore the next 'controller timed out' error\…  in silead_ts_setup()
543 	error = silead_ts_get_id(client);  in silead_ts_setup()
544 	if (error) {  in silead_ts_setup()
545 		dev_err(&client->dev, "Chip ID read error %d\n", error);  in silead_ts_setup()
546 		return error;  in silead_ts_setup()
549 	error = silead_ts_init(client);  in silead_ts_setup()
550 	if (error)  in silead_ts_setup()
551 		return error;  in silead_ts_setup()
553 	error = silead_ts_reset(client);  in silead_ts_setup()
554 	if (error)  in silead_ts_setup()
555 		return error;  in silead_ts_setup()
557 	error = silead_ts_load_fw(client);  in silead_ts_setup()
558 	if (error)  in silead_ts_setup()
559 		return error;  in silead_ts_setup()
561 	error = silead_ts_startup(client);  in silead_ts_setup()
562 	if (error)  in silead_ts_setup()
563 		return error;  in silead_ts_setup()
568 			"Initialization error, status: 0x%X\n", status);  in silead_ts_setup()
590 	int error;  in silead_ts_read_props()  local
592 	error = device_property_read_string(dev, "firmware-name", &str);  in silead_ts_read_props()
593 	if (!error)  in silead_ts_read_props()
597 		dev_dbg(dev, "Firmware file name read error. Using default.");  in silead_ts_read_props()
651 	int error;  in silead_ts_probe()  local
668 	error = silead_ts_set_default_fw_name(data, id);  in silead_ts_probe()
669 	if (error)  in silead_ts_probe()
670 		return error;  in silead_ts_probe()
680 	error = devm_regulator_bulk_get(dev, ARRAY_SIZE(data->regulators),  in silead_ts_probe()
682 	if (error)  in silead_ts_probe()
683 		return error;  in silead_ts_probe()
689 	error = regulator_bulk_enable(ARRAY_SIZE(data->regulators),  in silead_ts_probe()
691 	if (error)  in silead_ts_probe()
692 		return error;  in silead_ts_probe()
694 	error = devm_add_action_or_reset(dev, silead_disable_regulator, data);  in silead_ts_probe()
695 	if (error)  in silead_ts_probe()
696 		return error;  in silead_ts_probe()
704 	error = silead_ts_setup(client);  in silead_ts_probe()
705 	if (error)  in silead_ts_probe()
706 		return error;  in silead_ts_probe()
708 	error = silead_ts_request_input_dev(data);  in silead_ts_probe()
709 	if (error)  in silead_ts_probe()
710 		return error;  in silead_ts_probe()
712 	error = silead_ts_request_pen_input_dev(data);  in silead_ts_probe()
713 	if (error)  in silead_ts_probe()
714 		return error;  in silead_ts_probe()
716 	error = devm_request_threaded_irq(dev, client->irq,  in silead_ts_probe()
719 	if (error) {  in silead_ts_probe()
720 		if (error != -EPROBE_DEFER)  in silead_ts_probe()
721 			dev_err(dev, "IRQ request failed %d\n", error);  in silead_ts_probe()
722 		return error;  in silead_ts_probe()
741 	int error, status;  in silead_ts_resume()  local
746 	error = silead_ts_reset(client);  in silead_ts_resume()
747 	if (error)  in silead_ts_resume()
748 		return error;  in silead_ts_resume()
751 		error = silead_ts_load_fw(client);  in silead_ts_resume()
752 		if (error)  in silead_ts_resume()
753 			return error;  in silead_ts_resume()
756 	error = silead_ts_startup(client);  in silead_ts_resume()
757 	if (error)  in silead_ts_resume()
758 		return error;  in silead_ts_resume()
767 		dev_err(dev, "Resume error, status: 0x%02x\n", status);  in silead_ts_resume()