input/touchscreen/goodix.c

255 	int error;
271 		error = goodix_i2c_read(ts->client, addr, data,
273 		if (error)
274 			return error;
284 				error = goodix_i2c_read(ts->client,
288 				if (error)
289 					return error;
350 	int input_x, input_y, input_w, error;
354 		error = input_register_device(ts->input_pen);
355 		ts->pen_input_registered = (error == 0) ? 1 : error;
629 	int error;
631 	error = goodix_check_cfg(ts, cfg, len);
632 	if (error)
633 		return error;
635 	error = goodix_i2c_write(ts->client, ts->chip->config_addr, cfg, len);
636 	if (error)
637 		return error;
725 	int error;
727 	error = goodix_irq_direction_output(ts, 0);
728 	if (error)
729 		goto error;
733 	error = goodix_irq_direction_input(ts);
734 	if (error)
735 		goto error;
739 error:
741 	return error;
751 	int error;
754 	error = gpiod_direction_output(ts->gpiod_rst, 0);
755 	if (error)
756 		goto error;
761 	error = goodix_irq_direction_output(ts, ts->client->addr == 0x14);
762 	if (error)
763 		goto error;
767 	error = gpiod_direction_output(ts->gpiod_rst, 1);
768 	if (error)
769 		goto error;
779 		error = gpiod_direction_input(ts->gpiod_rst);
780 		if (error)
781 			goto error;
786 error:
788 	return error;
798 	int error;
800 	error = goodix_reset_no_int_sync(ts);
801 	if (error)
802 		return error;
938 	 * at all on x86/ACPI boards, except when needed for error-recover.
1041 	int error;
1049 		error = goodix_i2c_read(ts->client, ts->chip->config_addr,
1051 		if (error) {
1078 	int error;
1082 	error = goodix_i2c_read(ts->client, GOODIX_REG_ID, buf, sizeof(buf));
1083 	if (error)
1084 		return error;
1106 	int error;
1110 		error = goodix_i2c_read(client, GOODIX_REG_ID, &test, 1);
1111 		if (!error)
1117 	return error;
1132 	int error;
1184 			error = goodix_reset(ts);
1185 			if (error)
1186 				return error;
1214 	error = input_mt_init_slots(ts->input_dev, ts->max_touch_num,
1216 	if (error) {
1218 			"Failed to initialize MT slots: %d", error);
1219 		return error;
1222 	error = input_register_device(ts->input_dev);
1223 	if (error) {
1225 			"Failed to register input device: %d", error);
1226 		return error;
1236 	error = goodix_create_pen_input(ts);
1237 	if (error)
1238 		return error;
1241 	error = goodix_request_irq(ts);
1242 	if (error) {
1243 		dev_err(&ts->client->dev, "request IRQ failed: %d\n", error);
1244 		return error;
1262 	int error;
1268 		error = goodix_check_cfg(ts, cfg->data, cfg->size);
1269 		if (error)
1275 		error = goodix_send_cfg(ts, cfg->data, cfg->size);
1276 		if (error)
1299 	int error;
1317 	error = goodix_get_gpio_config(ts);
1318 	if (error)
1319 		return error;
1322 	error = regulator_enable(ts->avdd28);
1323 	if (error) {
1326 			error);
1327 		return error;
1330 	error = regulator_enable(ts->vddio);
1331 	if (error) {
1334 			error);
1336 		return error;
1339 	error = devm_add_action_or_reset(&client->dev,
1341 	if (error)
1342 		return error;
1347 		error = goodix_reset(ts);
1348 		if (error)
1349 			return error;
1352 	error = goodix_i2c_test(client);
1353 	if (error) {
1360 		dev_err(&client->dev, "I2C communication failure: %d\n", error);
1361 		return error;
1364 	error = goodix_firmware_check(ts);
1365 	if (error)
1366 		return error;
1368 	error = goodix_read_version(ts);
1369 	if (error)
1370 		return error;
1376 		error = device_property_read_string(&client->dev,
1379 		if (!error)
1386 		error = request_firmware_nowait(THIS_MODULE, true, ts->cfg_name,
1389 		if (error) {
1392 				error);
1393 			return error;
1398 		error = goodix_configure_dev(ts);
1399 		if (error)
1400 			return error;
1418 	int error;
1436 	error = goodix_irq_direction_output(ts, 0);
1437 	if (error) {
1439 		return error;
1444 	error = goodix_i2c_write_u8(ts->client, GOODIX_REG_COMMAND,
1446 	if (error) {
1466 	int error;
1477 	error = goodix_irq_direction_output(ts, 1);
1478 	if (error)
1479 		return error;
1483 	error = goodix_int_sync(ts);
1484 	if (error)
1485 		return error;
1487 	error = goodix_i2c_read(ts->client, ts->chip->config_addr,
1489 	if (!error && config_ver != ts->config[0])
1493 	if (error != 0 || config_ver != ts->config[0]) {
1494 		error = goodix_reset(ts);
1495 		if (error)
1496 			return error;
1498 		error = goodix_send_cfg(ts, ts->config, ts->chip->config_len);
1499 		if (error)
1500 			return error;
1503 	error = goodix_request_irq(ts);
1504 	if (error)
1505 		return error;