input/touchscreen/iqs5xx.c

178 	int error;
180 	error = iqs5xx_read_burst(client, reg, &val_buf, sizeof(val_buf));
181 	if (error)
182 		return error;
330 	int error, i, j;
342 			error = iqs5xx_bl_cmd(client, IQS5XX_BL_CMD_VER, 0);
343 			if (!error)
345 			else if (error != -EINVAL)
348 			return error;
352 	dev_err(&client->dev, "Failed to open bootloader: %d\n", error);
354 	return error;
491 	int error;
507 	error = iqs5xx_read_word(client, IQS5XX_X_RES, &max_x);
508 	if (error)
509 		return error;
511 	error = iqs5xx_read_word(client, IQS5XX_Y_RES, &max_y);
512 	if (error)
513 		return error;
532 		error = iqs5xx_write_word(client, IQS5XX_X_RES, prop->max_x);
533 		if (error)
534 			return error;
538 		error = iqs5xx_write_word(client, IQS5XX_Y_RES, prop->max_y);
539 		if (error)
540 			return error;
543 	error = input_mt_init_slots(input, IQS5XX_NUM_CONTACTS,
545 	if (error)
547 			error);
549 	return error;
556 	int error;
559 	error = iqs5xx_read_burst(client, IQS5XX_PROD_NUM,
561 	if (error)
595 	error = iqs5xx_read_burst(client, IQS5XX_EXP_FILE,
597 	if (error)
598 		return error;
600 	error = iqs5xx_axis_init(client);
601 	if (error)
602 		return error;
604 	error = iqs5xx_write_byte(client, IQS5XX_SYS_CTRL0, IQS5XX_ACK_RESET);
605 	if (error)
606 		return error;
608 	error = iqs5xx_write_byte(client, IQS5XX_SYS_CFG0,
611 	if (error)
612 		return error;
614 	error = iqs5xx_write_byte(client, IQS5XX_SYS_CFG1,
616 	if (error)
617 		return error;
619 	error = iqs5xx_write_byte(client, IQS5XX_END_COMM, 0);
620 	if (error)
621 		return error;
629 	 * stretching and prompt the I2C controller to report an error.
642 	int error, i;
652 	error = iqs5xx_read_burst(client, IQS5XX_SYS_INFO0,
654 	if (error)
660 		error = iqs5xx_dev_init(client);
661 		if (error) {
663 				"Failed to re-initialize device: %d\n", error);
688 	error = iqs5xx_write_byte(client, IQS5XX_END_COMM, 0);
689 	if (error)
708 	int error, i;
724 	error = request_firmware(&fw, fw_file, &client->dev);
725 	if (error) {
727 			fw_file, error);
728 		return error;
734 			error = -EINVAL;
743 			error = -EINVAL;
747 		error = hex2bin(rec_hdr, rec->len, sizeof(rec_hdr));
748 		if (error) {
760 			error = -EINVAL;
765 		error = hex2bin(rec_data, rec->data, rec_len);
766 		if (error) {
772 		error = hex2bin(&rec_chksm,
774 		if (error) {
791 			error = -EINVAL;
802 				error = -EINVAL;
813 			error = -EINVAL;
816 		if (error)
829 	return error;
835 	int error, error_init = 0;
842 	error = iqs5xx_fw_file_parse(client, fw_file, pmap);
843 	if (error)
857 	error = iqs5xx_bl_cmd(client, IQS5XX_BL_CMD_VER, 0);
858 	if (error) {
859 		error = iqs5xx_bl_open(client);
860 		if (error)
864 	error = iqs5xx_bl_write(client, IQS5XX_CHKSM, pmap, IQS5XX_PMAP_LEN);
865 	if (error)
868 	error = iqs5xx_bl_cmd(client, IQS5XX_BL_CMD_CRC, 0);
869 	if (error)
872 	error = iqs5xx_bl_verify(client, IQS5XX_CSTM,
891 	return error ? : error_init;
903 	int error;
917 	error = iqs5xx_fw_file_write(client, fw_file);
918 	if (error)
919 		return error;
926 		error = input_register_device(iqs5xx->input);
927 		if (error) {
930 				error);
931 			return error;
987 	int error = 0;
990 		return error;
995 		error = iqs5xx_set_state(iqs5xx->client, IQS5XX_SUSPEND);
999 	return error;
1006 	int error = 0;
1009 		return error;
1014 		error = iqs5xx_set_state(iqs5xx->client, IQS5XX_RESUME);
1018 	return error;
1026 	int error;
1038 		error = PTR_ERR(iqs5xx->reset_gpio);
1039 		dev_err(&client->dev, "Failed to request GPIO: %d\n", error);
1040 		return error;
1045 	error = iqs5xx_dev_init(client);
1046 	if (error)
1047 		return error;
1049 	error = devm_request_threaded_irq(&client->dev, client->irq,
1052 	if (error) {
1053 		dev_err(&client->dev, "Failed to request IRQ: %d\n", error);
1054 		return error;
1058 		error = input_register_device(iqs5xx->input);
1059 		if (error)
1062 				error);
1065 	return error;