89 	int error, ret;  in ili210x_read_reg()  local
93 		error = ret < 0 ? ret : -EIO;  in ili210x_read_reg()
94 		dev_err(&client->dev, "%s failed: %d\n", __func__, error);  in ili210x_read_reg()
95 		return error;  in ili210x_read_reg()
138 	int error;  in ili211x_read_touch_data()  local
144 		error = ret < 0 ? ret : -EIO;  in ili211x_read_touch_data()
145 		dev_err(&client->dev, "%s failed: %d\n", __func__, error);  in ili211x_read_touch_data()
146 		return error;  in ili211x_read_touch_data()
231 	int error;  in ili251x_read_reg_common()  local
244 	error = ret < 0 ? ret : -EIO;  in ili251x_read_reg_common()
245 	dev_err(&client->dev, "%s failed: %d\n", __func__, error);  in ili251x_read_reg_common()
257 	int error;  in ili251x_read_touch_data()  local
259 	error = ili251x_read_reg_common(client, REG_TOUCHDATA,  in ili251x_read_touch_data()
261 	if (!error && data[0] == 2) {  in ili251x_read_touch_data()
262 		error = i2c_master_recv(client, data + ILI251X_DATA_SIZE1,  in ili251x_read_touch_data()
264 		if (error >= 0 && error != ILI251X_DATA_SIZE2)  in ili251x_read_touch_data()
265 			error = -EIO;  in ili251x_read_touch_data()
268 	return error;  in ili251x_read_touch_data()
340 	int error;  in ili210x_irq()  local
344 		error = chip->get_touch_data(client, touchdata);  in ili210x_irq()
345 		if (error) {  in ili210x_irq()
347 				"Unable to get touch data: %d\n", error);  in ili210x_irq()
369 	int error;  in ili251x_firmware_update_resolution()  local
372 	error = priv->chip->read_reg(client, REG_PANEL_INFO, &rs, sizeof(rs));  in ili251x_firmware_update_resolution()
373 	if (!error) {  in ili251x_firmware_update_resolution()
379 			error = -EINVAL;  in ili251x_firmware_update_resolution()
388 	if (error) {  in ili251x_firmware_update_resolution()
399 	return error;  in ili251x_firmware_update_resolution()
406 	int error;  in ili251x_firmware_update_firmware_version()  local
410 	error = priv->chip->read_reg(client, REG_FIRMWARE_VERSION,  in ili251x_firmware_update_firmware_version()
412 	if (!error)  in ili251x_firmware_update_firmware_version()
415 	return error;  in ili251x_firmware_update_firmware_version()
422 	int error;  in ili251x_firmware_update_kernel_version()  local
426 	error = priv->chip->read_reg(client, REG_KERNEL_VERSION,  in ili251x_firmware_update_kernel_version()
428 	if (!error)  in ili251x_firmware_update_kernel_version()
431 	return error;  in ili251x_firmware_update_kernel_version()
438 	int error;  in ili251x_firmware_update_protocol_version()  local
442 	error = priv->chip->read_reg(client, REG_PROTOCOL_VERSION,  in ili251x_firmware_update_protocol_version()
444 	if (!error)  in ili251x_firmware_update_protocol_version()
447 	return error;  in ili251x_firmware_update_protocol_version()
454 	int error;  in ili251x_firmware_update_ic_mode()  local
458 	error = priv->chip->read_reg(client, REG_GET_MODE, &md, sizeof(md));  in ili251x_firmware_update_ic_mode()
459 	if (!error)  in ili251x_firmware_update_ic_mode()
462 	return error;  in ili251x_firmware_update_ic_mode()
469 	int error;  in ili251x_firmware_update_cached_state()  local
478 	error = ili251x_firmware_update_resolution(dev);  in ili251x_firmware_update_cached_state()
479 	if (error)  in ili251x_firmware_update_cached_state()
480 		return error;  in ili251x_firmware_update_cached_state()
482 	error = ili251x_firmware_update_firmware_version(dev);  in ili251x_firmware_update_cached_state()
483 	if (error)  in ili251x_firmware_update_cached_state()
484 		return error;  in ili251x_firmware_update_cached_state()
486 	error = ili251x_firmware_update_kernel_version(dev);  in ili251x_firmware_update_cached_state()
487 	if (error)  in ili251x_firmware_update_cached_state()
488 		return error;  in ili251x_firmware_update_cached_state()
490 	error = ili251x_firmware_update_protocol_version(dev);  in ili251x_firmware_update_cached_state()
491 	if (error)  in ili251x_firmware_update_cached_state()
492 		return error;  in ili251x_firmware_update_cached_state()
494 	error = ili251x_firmware_update_ic_mode(dev);  in ili251x_firmware_update_cached_state()
495 	if (error)  in ili251x_firmware_update_cached_state()
496 		return error;  in ili251x_firmware_update_cached_state()
592 	int error;  in ili251x_firmware_to_buffer()  local
611 			error = -EFBIG;  in ili251x_firmware_to_buffer()
631 	return error;  in ili251x_firmware_to_buffer()
640 	int error;  in ili251x_switch_ic_mode()  local
642 	error = priv->chip->read_reg(client, REG_GET_MODE, md, sizeof(md));  in ili251x_switch_ic_mode()
643 	if (error)  in ili251x_switch_ic_mode()
644 		return error;  in ili251x_switch_ic_mode()
651 	error = i2c_master_send(client, cmd_wren, sizeof(cmd_wren));  in ili251x_switch_ic_mode()
652 	if (error != sizeof(cmd_wren))  in ili251x_switch_ic_mode()
658 	error = i2c_master_send(client, &cmd_mode, 1);  in ili251x_switch_ic_mode()
659 	if (error != 1)  in ili251x_switch_ic_mode()
665 	error = priv->chip->read_reg(client, REG_GET_MODE, md, sizeof(md));  in ili251x_switch_ic_mode()
666 	if (error)  in ili251x_switch_ic_mode()
667 		return error;  in ili251x_switch_ic_mode()
679 	int error, i = 0;  in ili251x_firmware_busy()  local
684 		error = priv->chip->read_reg(client, REG_IC_BUSY, &data, 1);  in ili251x_firmware_busy()
685 		if (error)  in ili251x_firmware_busy()
686 			return error;  in ili251x_firmware_busy()
703 	int error;  in ili251x_firmware_write_to_ic()  local
719 	error = i2c_master_send(client, cmd_wr, sizeof(cmd_wr));  in ili251x_firmware_write_to_ic()
720 	if (error != sizeof(cmd_wr))  in ili251x_firmware_write_to_ic()
723 	error = ili251x_firmware_busy(client);  in ili251x_firmware_write_to_ic()
724 	if (error)  in ili251x_firmware_write_to_ic()
725 		return error;  in ili251x_firmware_write_to_ic()
730 		error = i2c_master_send(client, fw_data, 33);  in ili251x_firmware_write_to_ic()
731 		if (error != sizeof(fw_data))  in ili251x_firmware_write_to_ic()
732 			return error;  in ili251x_firmware_write_to_ic()
733 		error = ili251x_firmware_busy(client);  in ili251x_firmware_write_to_ic()
734 		if (error)  in ili251x_firmware_write_to_ic()
735 			return error;  in ili251x_firmware_write_to_ic()
738 	error = i2c_master_send(client, &cmd_crc, 1);  in ili251x_firmware_write_to_ic()
739 	if (error != 1)  in ili251x_firmware_write_to_ic()
742 	error = ili251x_firmware_busy(client);  in ili251x_firmware_write_to_ic()
743 	if (error)  in ili251x_firmware_write_to_ic()
744 		return error;  in ili251x_firmware_write_to_ic()
746 	error = priv->chip->read_reg(client, REG_READ_DATA_CRC,  in ili251x_firmware_write_to_ic()
748 	if (error)  in ili251x_firmware_write_to_ic()
749 		return error;  in ili251x_firmware_write_to_ic()
761 	int error;  in ili251x_firmware_reset()  local
763 	error = i2c_master_send(client, cmd_reset, sizeof(cmd_reset));  in ili251x_firmware_reset()
764 	if (error != sizeof(cmd_reset))  in ili251x_firmware_reset()
789 	int error;  in ili210x_firmware_update_store()  local
792 	error = request_ihex_firmware(&fw, fwname, dev);  in ili210x_firmware_update_store()
793 	if (error) {  in ili210x_firmware_update_store()
795 			fwname, error);  in ili210x_firmware_update_store()
796 		return error;  in ili210x_firmware_update_store()
799 	error = ili251x_firmware_to_buffer(fw, &fwbuf, &ac_end, &df_end);  in ili210x_firmware_update_store()
801 	if (error)  in ili210x_firmware_update_store()
802 		return error;  in ili210x_firmware_update_store()
817 	error = ili251x_firmware_reset(client);  in ili210x_firmware_update_store()
818 	if (error)  in ili210x_firmware_update_store()
823 		error = ili251x_switch_ic_mode(client, REG_SET_MODE_BL);  in ili210x_firmware_update_store()
824 		if (!error)  in ili210x_firmware_update_store()
828 	if (error)  in ili210x_firmware_update_store()
835 	error = ili251x_firmware_write_to_ic(dev, fwbuf, 0xf000, df_end, 1);  in ili210x_firmware_update_store()
836 	if (error) {  in ili210x_firmware_update_store()
837 		dev_err(dev, "DF firmware update failed, error=%d\n", error);  in ili210x_firmware_update_store()
843 	error = ili251x_firmware_write_to_ic(dev, fwbuf, 0x2000, ac_end, 0);  in ili210x_firmware_update_store()
844 	if (error) {  in ili210x_firmware_update_store()
845 		dev_err(dev, "AC firmware update failed, error=%d\n", error);  in ili210x_firmware_update_store()
853 		error = ili251x_switch_ic_mode(client, REG_SET_MODE_AP);  in ili210x_firmware_update_store()
854 		if (!error)  in ili210x_firmware_update_store()
858 	if (error)  in ili210x_firmware_update_store()
863 	error = ili251x_firmware_update_cached_state(dev);  in ili210x_firmware_update_store()
864 	if (error)  in ili210x_firmware_update_store()
867 	error = count;  in ili210x_firmware_update_store()
871 	dev_dbg(dev, "Firmware update ended, error=%i\n", error);  in ili210x_firmware_update_store()
874 	return error;  in ili210x_firmware_update_store()
935 	int error;  in ili210x_i2c_probe()  local
958 		error = devm_add_action_or_reset(dev, ili210x_power_down,  in ili210x_i2c_probe()
960 		if (error)  in ili210x_i2c_probe()
961 			return error;  in ili210x_i2c_probe()
990 	error = ili251x_firmware_update_cached_state(dev);  in ili210x_i2c_probe()
991 	if (error)  in ili210x_i2c_probe()
993 			 error);  in ili210x_i2c_probe()
997 	error = input_mt_init_slots(input, priv->chip->max_touches,  in ili210x_i2c_probe()
999 	if (error) {  in ili210x_i2c_probe()
1000 		dev_err(dev, "Unable to set up slots, err: %d\n", error);  in ili210x_i2c_probe()
1001 		return error;  in ili210x_i2c_probe()
1004 	error = devm_request_threaded_irq(dev, client->irq, NULL, ili210x_irq,  in ili210x_i2c_probe()
1006 	if (error) {  in ili210x_i2c_probe()
1008 			error);  in ili210x_i2c_probe()
1009 		return error;  in ili210x_i2c_probe()
1012 	error = devm_add_action_or_reset(dev, ili210x_stop, priv);  in ili210x_i2c_probe()
1013 	if (error)  in ili210x_i2c_probe()
1014 		return error;  in ili210x_i2c_probe()
1016 	error = devm_device_add_group(dev, &ili210x_attr_group);  in ili210x_i2c_probe()
1017 	if (error) {  in ili210x_i2c_probe()
1019 			error);  in ili210x_i2c_probe()
1020 		return error;  in ili210x_i2c_probe()
1023 	error = input_register_device(priv->input);  in ili210x_i2c_probe()
1024 	if (error) {  in ili210x_i2c_probe()
1025 		dev_err(dev, "Cannot register input device, err: %d\n", error);  in ili210x_i2c_probe()
1026 		return error;  in ili210x_i2c_probe()