125 	int error;  in silead_ts_request_input_dev()  local
150 	error = input_register_device(data->input);  in silead_ts_request_input_dev()
151 	if (error) {  in silead_ts_request_input_dev()
152 		dev_err(dev, "Failed to register input device: %d\n", error);  in silead_ts_request_input_dev()
153 			return error;  in silead_ts_request_input_dev()
162 	int error;  in silead_ts_request_pen_input_dev()  local
184 	error = input_register_device(data->pen_input);  in silead_ts_request_pen_input_dev()
185 	if (error) {  in silead_ts_request_pen_input_dev()
186 		dev_err(dev, "Failed to register pen input device: %d\n", error);  in silead_ts_request_pen_input_dev()
187 		return error;  in silead_ts_request_pen_input_dev()
249 	int touch_nr, softbutton, error, i;  in silead_ts_read_data()  local
252 	error = i2c_smbus_read_i2c_block_data(client, SILEAD_REG_DATA,  in silead_ts_read_data()
254 	if (error < 0) {  in silead_ts_read_data()
255 		dev_err(dev, "Data read error %d\n", error);  in silead_ts_read_data()
319 	int error;  in silead_ts_init()  local
321 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_RESET,  in silead_ts_init()
323 	if (error)  in silead_ts_init()
327 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_TOUCH_NR,  in silead_ts_init()
329 	if (error)  in silead_ts_init()
333 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_CLOCK,  in silead_ts_init()
335 	if (error)  in silead_ts_init()
339 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_RESET,  in silead_ts_init()
341 	if (error)  in silead_ts_init()
348 	dev_err(&client->dev, "Registers clear error %d\n", error);  in silead_ts_init()
349 	return error;  in silead_ts_init()
354 	int error;  in silead_ts_reset()  local
356 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_RESET,  in silead_ts_reset()
358 	if (error)  in silead_ts_reset()
362 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_CLOCK,  in silead_ts_reset()
364 	if (error)  in silead_ts_reset()
368 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_POWER,  in silead_ts_reset()
370 	if (error)  in silead_ts_reset()
377 	dev_err(&client->dev, "Chip reset error %d\n", error);  in silead_ts_reset()
378 	return error;  in silead_ts_reset()
383 	int error;  in silead_ts_startup()  local
385 	error = i2c_smbus_write_byte_data(client, SILEAD_REG_RESET, 0x00);  in silead_ts_startup()
386 	if (error) {  in silead_ts_startup()
387 		dev_err(&client->dev, "Startup error %d\n", error);  in silead_ts_startup()
388 		return error;  in silead_ts_startup()
403 	int error;  in silead_ts_load_fw()  local
429 	error = firmware_request_nowarn(&fw, data->fw_name, dev);  in silead_ts_load_fw()
430 	if (error) {  in silead_ts_load_fw()
431 		error = firmware_request_platform(&fw, data->fw_name, dev);  in silead_ts_load_fw()
432 		if (error) {  in silead_ts_load_fw()
433 			dev_err(dev, "Firmware request error %d\n", error);  in silead_ts_load_fw()
434 			return error;  in silead_ts_load_fw()
437 		error = device_property_read_u32_array(dev, "silead,efi-fw-min-max",  in silead_ts_load_fw()
440 		if (!error)  in silead_ts_load_fw()
456 		error = i2c_smbus_write_i2c_block_data(client,  in silead_ts_load_fw()
460 		if (error) {  in silead_ts_load_fw()
461 			dev_err(dev, "Firmware load error %d\n", error);  in silead_ts_load_fw()
467 	return error ?: 0;  in silead_ts_load_fw()
472 	int error;  in silead_ts_get_status()  local
475 	error = i2c_smbus_read_i2c_block_data(client, SILEAD_REG_STATUS,  in silead_ts_get_status()
477 	if (error < 0) {  in silead_ts_get_status()
478 		dev_err(&client->dev, "Status read error %d\n", error);  in silead_ts_get_status()
479 		return error;  in silead_ts_get_status()
489 	int error;  in silead_ts_get_id()  local
491 	error = i2c_smbus_read_i2c_block_data(client, SILEAD_REG_ID,  in silead_ts_get_id()
493 	if (error < 0)  in silead_ts_get_id()
494 		return error;  in silead_ts_get_id()
504 	int error;  in silead_ts_setup()  local
545 	error = silead_ts_get_id(client);  in silead_ts_setup()
546 	if (error) {  in silead_ts_setup()
547 		dev_err(&client->dev, "Chip ID read error %d\n", error);  in silead_ts_setup()
548 		return error;  in silead_ts_setup()
551 	error = silead_ts_init(client);  in silead_ts_setup()
552 	if (error)  in silead_ts_setup()
553 		return error;  in silead_ts_setup()
555 	error = silead_ts_reset(client);  in silead_ts_setup()
556 	if (error)  in silead_ts_setup()
557 		return error;  in silead_ts_setup()
559 	error = silead_ts_load_fw(client);  in silead_ts_setup()
560 	if (error)  in silead_ts_setup()
561 		return error;  in silead_ts_setup()
563 	error = silead_ts_startup(client);  in silead_ts_setup()
564 	if (error)  in silead_ts_setup()
565 		return error;  in silead_ts_setup()
592 	int error;  in silead_ts_read_props()  local
594 	error = device_property_read_u32(dev, "silead,max-fingers",  in silead_ts_read_props()
596 	if (error) {  in silead_ts_read_props()
597 		dev_dbg(dev, "Max fingers read error %d\n", error);  in silead_ts_read_props()
601 	error = device_property_read_string(dev, "firmware-name", &str);  in silead_ts_read_props()
602 	if (!error)  in silead_ts_read_props()
660 	int error;  in silead_ts_probe()  local
677 	error = silead_ts_set_default_fw_name(data, id);  in silead_ts_probe()
678 	if (error)  in silead_ts_probe()
679 		return error;  in silead_ts_probe()
689 	error = devm_regulator_bulk_get(dev, ARRAY_SIZE(data->regulators),  in silead_ts_probe()
691 	if (error)  in silead_ts_probe()
692 		return error;  in silead_ts_probe()
698 	error = regulator_bulk_enable(ARRAY_SIZE(data->regulators),  in silead_ts_probe()
700 	if (error)  in silead_ts_probe()
701 		return error;  in silead_ts_probe()
703 	error = devm_add_action_or_reset(dev, silead_disable_regulator, data);  in silead_ts_probe()
704 	if (error)  in silead_ts_probe()
705 		return error;  in silead_ts_probe()
713 	error = silead_ts_setup(client);  in silead_ts_probe()
714 	if (error)  in silead_ts_probe()
715 		return error;  in silead_ts_probe()
717 	error = silead_ts_request_input_dev(data);  in silead_ts_probe()
718 	if (error)  in silead_ts_probe()
719 		return error;  in silead_ts_probe()
721 	error = silead_ts_request_pen_input_dev(data);  in silead_ts_probe()
722 	if (error)  in silead_ts_probe()
723 		return error;  in silead_ts_probe()
725 	error = devm_request_threaded_irq(dev, client->irq,  in silead_ts_probe()
728 	if (error) {  in silead_ts_probe()
729 		if (error != -EPROBE_DEFER)  in silead_ts_probe()
730 			dev_err(dev, "IRQ request failed %d\n", error);  in silead_ts_probe()
731 		return error;  in silead_ts_probe()
750 	int error, status;  in silead_ts_resume()  local
755 	error = silead_ts_reset(client);  in silead_ts_resume()
756 	if (error)  in silead_ts_resume()
757 		return error;  in silead_ts_resume()
760 		error = silead_ts_load_fw(client);  in silead_ts_resume()
761 		if (error)  in silead_ts_resume()
762 			return error;  in silead_ts_resume()
765 	error = silead_ts_startup(client);  in silead_ts_resume()
766 	if (error)  in silead_ts_resume()
767 		return error;  in silead_ts_resume()