197 	int error;  in zinitix_init_touch()  local
199 	error = zinitix_write_cmd(client, BT541_SWRESET_CMD);  in zinitix_init_touch()
200 	if (error) {  in zinitix_init_touch()
202 		return error;  in zinitix_init_touch()
205 	error = zinitix_write_u16(client, BT541_INT_ENABLE_FLAG, 0x0);  in zinitix_init_touch()
206 	if (error) {  in zinitix_init_touch()
209 		return error;  in zinitix_init_touch()
213 	error = zinitix_write_u16(client, BT541_X_RESOLUTION,  in zinitix_init_touch()
215 	if (error)  in zinitix_init_touch()
216 		return error;  in zinitix_init_touch()
218 	error = zinitix_write_u16(client, BT541_Y_RESOLUTION,  in zinitix_init_touch()
220 	if (error)  in zinitix_init_touch()
221 		return error;  in zinitix_init_touch()
223 	error = zinitix_write_u16(client, BT541_SUPPORTED_FINGER_NUM,  in zinitix_init_touch()
225 	if (error)  in zinitix_init_touch()
226 		return error;  in zinitix_init_touch()
228 	error = zinitix_write_u16(client, BT541_INITIAL_TOUCH_MODE,  in zinitix_init_touch()
230 	if (error)  in zinitix_init_touch()
231 		return error;  in zinitix_init_touch()
233 	error = zinitix_write_u16(client, BT541_TOUCH_MODE,  in zinitix_init_touch()
235 	if (error)  in zinitix_init_touch()
236 		return error;  in zinitix_init_touch()
238 	error = zinitix_write_u16(client, BT541_INT_ENABLE_FLAG,  in zinitix_init_touch()
241 	if (error)  in zinitix_init_touch()
242 		return error;  in zinitix_init_touch()
256 	int error;  in zinitix_init_regulators()  local
260 	error = devm_regulator_bulk_get(&client->dev,  in zinitix_init_regulators()
263 	if (error < 0) {  in zinitix_init_regulators()
264 		dev_err(&client->dev, "Failed to get regulators: %d\n", error);  in zinitix_init_regulators()
265 		return error;  in zinitix_init_regulators()
273 	int error;  in zinitix_send_power_on_sequence()  local
276 	error = zinitix_write_u16(client, 0xc000, 0x0001);  in zinitix_send_power_on_sequence()
277 	if (error) {  in zinitix_send_power_on_sequence()
280 		return error;  in zinitix_send_power_on_sequence()
284 	error = zinitix_write_cmd(client, 0xc004);  in zinitix_send_power_on_sequence()
285 	if (error) {  in zinitix_send_power_on_sequence()
288 		return error;  in zinitix_send_power_on_sequence()
292 	error = zinitix_write_u16(client, 0xc002, 0x0001);  in zinitix_send_power_on_sequence()
293 	if (error) {  in zinitix_send_power_on_sequence()
296 		return error;  in zinitix_send_power_on_sequence()
300 	error = zinitix_write_u16(client, 0xc001, 0x0001);  in zinitix_send_power_on_sequence()
301 	if (error) {  in zinitix_send_power_on_sequence()
304 		return error;  in zinitix_send_power_on_sequence()
348 	int error;  in zinitix_ts_irq_handler()  local
353 	error = zinitix_read_data(bt541->client, BT541_POINT_STATUS_REG,  in zinitix_ts_irq_handler()
355 	if (error) {  in zinitix_ts_irq_handler()
379 	int error;  in zinitix_start()  local
381 	error = regulator_bulk_enable(ARRAY_SIZE(bt541->supplies),  in zinitix_start()
383 	if (error) {  in zinitix_start()
385 			"Failed to enable regulators: %d\n", error);  in zinitix_start()
386 		return error;  in zinitix_start()
391 	error = zinitix_send_power_on_sequence(bt541);  in zinitix_start()
392 	if (error) {  in zinitix_start()
394 			"Error while sending power-on sequence: %d\n", error);  in zinitix_start()
395 		return error;  in zinitix_start()
398 	error = zinitix_init_touch(bt541);  in zinitix_start()
399 	if (error) {  in zinitix_start()
401 			"Error while configuring touch IC\n");  in zinitix_start()
402 		return error;  in zinitix_start()
412 	int error;  in zinitix_stop()  local
416 	error = regulator_bulk_disable(ARRAY_SIZE(bt541->supplies),  in zinitix_stop()
418 	if (error) {  in zinitix_stop()
420 			"Failed to disable regulators: %d\n", error);  in zinitix_stop()
421 		return error;  in zinitix_stop()
444 	int error;  in zinitix_init_input_dev()  local
474 	error = input_mt_init_slots(input_dev, MAX_SUPPORTED_FINGER_NUM,  in zinitix_init_input_dev()
476 	if (error) {  in zinitix_init_input_dev()
478 			"Failed to initialize MT slots: %d", error);  in zinitix_init_input_dev()
479 		return error;  in zinitix_init_input_dev()
482 	error = input_register_device(input_dev);  in zinitix_init_input_dev()
483 	if (error) {  in zinitix_init_input_dev()
485 			"Failed to register input device: %d", error);  in zinitix_init_input_dev()
486 		return error;  in zinitix_init_input_dev()
495 	int error;  in zinitix_ts_probe()  local
510 	error = zinitix_init_regulators(bt541);  in zinitix_ts_probe()
511 	if (error) {  in zinitix_ts_probe()
513 			"Failed to initialize regulators: %d\n", error);  in zinitix_ts_probe()
514 		return error;  in zinitix_ts_probe()
517 	error = devm_request_threaded_irq(&client->dev, client->irq,  in zinitix_ts_probe()
521 	if (error) {  in zinitix_ts_probe()
522 		dev_err(&client->dev, "Failed to request IRQ: %d\n", error);  in zinitix_ts_probe()
523 		return error;  in zinitix_ts_probe()
526 	error = zinitix_init_input_dev(bt541);  in zinitix_ts_probe()
527 	if (error) {  in zinitix_ts_probe()
529 			"Failed to initialize input device: %d\n", error);  in zinitix_ts_probe()
530 		return error;  in zinitix_ts_probe()
533 	error = device_property_read_u32(&client->dev, "zinitix,mode",  in zinitix_ts_probe()
535 	if (error < 0) {  in zinitix_ts_probe()