input/touchscreen/rohm_bu21023.c

332 	int error, error2;
347 	error = i2c_smbus_write_byte_data(client, INT_MASK,
350 	if (error)
353 	error = i2c_smbus_write_byte_data(client, TEST1,
355 	if (error)
364 		error = rohm_i2c_burst_read(client, PRM1_X_H, buf, sizeof(buf));
365 		if (error)
378 			error = i2c_smbus_write_byte_data(client, TEST1,
380 			if (error)
413 		error = i2c_smbus_write_byte_data(client,
415 		if (error)
418 		error = i2c_smbus_write_byte_data(client,
420 		if (error)
423 		error = i2c_smbus_write_byte_data(client,
425 		if (error)
431 		error = i2c_smbus_write_byte_data(client, FORCE_CALIBRATION,
433 		if (error)
436 		error = i2c_smbus_write_byte_data(client, FORCE_CALIBRATION,
438 		if (error)
442 		error = i2c_smbus_write_byte_data(client, INT_CLEAR, 0xff);
443 		if (error)
459 				error = val;
470 				error = val;
479 		error = i2c_smbus_write_byte_data(client, CALIBRATION_REG1,
481 		if (error)
484 		error = i2c_smbus_write_byte_data(client, CALIBRATION_REG2,
486 		if (error)
489 		error = i2c_smbus_write_byte_data(client, CALIBRATION_REG3,
491 		if (error)
495 		error = i2c_smbus_write_byte_data(client, TEST1,
498 		if (error)
504 		error = -EBUSY;
513 	return error ? error : error2;
536 	int error;
539 	error = i2c_smbus_write_byte_data(client, INT_MASK, INT_ALL);
540 	if (error)
544 	error = i2c_smbus_write_byte_data(client, INT_CLEAR, 0xff);
545 	if (error)
550 	error = rohm_i2c_burst_read(client, POS_X1_H, buf, sizeof(buf));
551 	if (error)
629 		error = rohm_ts_manual_calibration(ts);
630 		if (error)
632 				 error);
650 	int error, error2;
652 	error = request_firmware(&fw, firmware_name, dev);
653 	if (error) {
655 			firmware_name, error);
656 		return error;
659 	error = i2c_smbus_write_byte_data(client, INT_MASK,
662 	if (error)
670 			error = i2c_smbus_write_byte_data(client, EX_WDAT, 0);
671 			if (error)
675 		error = i2c_smbus_write_byte_data(client, EX_ADDR_H, 0);
676 		if (error)
679 		error = i2c_smbus_write_byte_data(client, EX_ADDR_L, 0);
680 		if (error)
683 		error = i2c_smbus_write_byte_data(client, COMMON_SETUP1,
685 		if (error)
695 			error = i2c_smbus_write_i2c_block_data(client, EX_WDAT,
697 			if (error)
707 			error = status;
712 		error = i2c_smbus_write_byte_data(client, INT_CLEAR, 0xff);
713 		if (error)
719 		error = -EIO;
727 	return error ? error : error2;
745 	int error;
747 	error = kstrtouint(buf, 0, &val);
748 	if (error)
749 		return error;
751 	error = mutex_lock_interruptible(&ts->input->mutex);
752 	if (error)
753 		return error;
761 		error = i2c_smbus_write_byte_data(ts->client, COMMON_SETUP2,
766 	return error ? error : count;
784 	int error;
786 	error = kstrtouint(buf, 0, &val);
787 	if (error)
788 		return error;
790 	error = mutex_lock_interruptible(&ts->input->mutex);
791 	if (error)
792 		return error;
800 		error = i2c_smbus_write_byte_data(ts->client, COMMON_SETUP2,
805 	return error ? error : count;
823 	int error;
825 	error = kstrtouint(buf, 0, &val);
826 	if (error)
827 		return error;
829 	error = mutex_lock_interruptible(&ts->input->mutex);
830 	if (error)
831 		return error;
839 		error = i2c_smbus_write_byte_data(client, COMMON_SETUP2,
844 	return error ? error : count;
862 	int error;
872 	error = i2c_smbus_write_byte_data(client, SYSTEM,
874 	if (error)
875 		return error;
881 	error = i2c_smbus_write_byte_data(client, INT_CLEAR, 0xff);
882 	if (error)
883 		return error;
885 	error = i2c_smbus_write_byte_data(client, EX_WDAT, 0);
886 	if (error)
887 		return error;
889 	error = i2c_smbus_write_byte_data(client, COMMON_SETUP1, 0);
890 	if (error)
891 		return error;
893 	error = i2c_smbus_write_byte_data(client, COMMON_SETUP2, setup2);
894 	if (error)
895 		return error;
897 	error = i2c_smbus_write_byte_data(client, COMMON_SETUP3,
899 	if (error)
900 		return error;
902 	error = i2c_smbus_write_byte_data(client, THRESHOLD_GESTURE,
904 	if (error)
905 		return error;
907 	error = i2c_smbus_write_byte_data(client, INTERVAL_TIME,
909 	if (error)
910 		return error;
912 	error = i2c_smbus_write_byte_data(client, CPU_FREQ, CPU_FREQ_10MHZ);
913 	if (error)
914 		return error;
916 	error = i2c_smbus_write_byte_data(client, PRM_SWOFF_TIME,
918 	if (error)
919 		return error;
921 	error = i2c_smbus_write_byte_data(client, ADC_CTRL, ADC_DIV_DEFAULT);
922 	if (error)
923 		return error;
925 	error = i2c_smbus_write_byte_data(client, ADC_WAIT, ADC_WAIT_DEFAULT);
926 	if (error)
927 		return error;
932 	error = i2c_smbus_write_byte_data(client, STEP_X, STEP_X_DEFAULT);
933 	if (error)
934 		return error;
936 	error = i2c_smbus_write_byte_data(client, STEP_Y, STEP_Y_DEFAULT);
937 	if (error)
938 		return error;
940 	error = i2c_smbus_write_byte_data(client, OFFSET_X, OFFSET_X_DEFAULT);
941 	if (error)
942 		return error;
944 	error = i2c_smbus_write_byte_data(client, OFFSET_Y, OFFSET_Y_DEFAULT);
945 	if (error)
946 		return error;
948 	error = i2c_smbus_write_byte_data(client, THRESHOLD_TOUCH,
950 	if (error)
951 		return error;
953 	error = i2c_smbus_write_byte_data(client, EVR_XY, EVR_XY_DEFAULT);
954 	if (error)
955 		return error;
957 	error = i2c_smbus_write_byte_data(client, EVR_X, EVR_X_DEFAULT);
958 	if (error)
959 		return error;
961 	error = i2c_smbus_write_byte_data(client, EVR_Y, EVR_Y_DEFAULT);
962 	if (error)
963 		return error;
966 	error = i2c_smbus_write_byte_data(client, CALIBRATION_ADJUST,
968 	if (error)
969 		return error;
971 	error = i2c_smbus_write_byte_data(client, SWCONT, SWCONT_DEFAULT);
972 	if (error)
973 		return error;
975 	error = i2c_smbus_write_byte_data(client, TEST1,
978 	if (error)
979 		return error;
981 	error = rohm_ts_load_firmware(client, BU21023_FIRMWARE_NAME);
982 	if (error) {
983 		dev_err(dev, "failed to load firmware: %d\n", error);
984 		return error;
993 	error = i2c_smbus_write_byte_data(client, CALIBRATION_REG1,
995 	if (error)
996 		return error;
998 	error = i2c_smbus_write_byte_data(client, CALIBRATION_REG2,
1000 	if (error)
1001 		return error;
1003 	error = i2c_smbus_write_byte_data(client, CALIBRATION_REG3,
1005 	if (error)
1006 		return error;
1008 	error = i2c_smbus_write_byte_data(client, FORCE_CALIBRATION,
1010 	if (error)
1011 		return error;
1013 	error = i2c_smbus_write_byte_data(client, FORCE_CALIBRATION,
1015 	if (error)
1016 		return error;
1019 	error = i2c_smbus_write_byte_data(client, INT_CLEAR, 0xff);
1020 	if (error)
1021 		return error;
1024 	error = i2c_smbus_write_byte_data(client, INT_MASK,
1027 	if (error)
1028 		return error;
1030 	error = i2c_smbus_write_byte_data(client, ERR_MASK,
1033 	if (error)
1034 		return error;
1037 	error = i2c_smbus_write_byte_data(client, SYSTEM,
1042 	return error;
1047 	int error;
1049 	error = i2c_smbus_write_byte_data(client, SYSTEM,
1051 	if (error) {
1053 			"failed to power off device CPU: %d\n", error);
1054 		return error;
1057 	error = i2c_smbus_write_byte_data(client, SYSTEM,
1059 	if (error)
1061 			"failed to power off the device: %d\n", error);
1063 	return error;
1070 	int error;
1073 		error = rohm_ts_device_init(client, ts->setup2);
1074 		if (error) {
1076 				"device initialization failed: %d\n", error);
1077 			return error;
1100 	int error;
1113 	error = rohm_ts_power_off(client);
1114 	if (error)
1115 		return error;
1142 	error = input_mt_init_slots(input, MAX_CONTACTS,
1145 	if (error) {
1147 		return error;
1150 	error = devm_request_threaded_irq(dev, client->irq,
1153 	if (error) {
1154 		dev_err(dev, "failed to request IRQ: %d\n", error);
1155 		return error;
1158 	error = input_register_device(input);
1159 	if (error) {
1160 		dev_err(dev, "failed to register input device: %d\n", error);
1161 		return error;
1164 	return error;