193 static int zinitix_init_touch(struct bt541_ts_data *bt541)  in zinitix_init_touch()  argument
195 	struct i2c_client *client = bt541->client;  in zinitix_init_touch()
214 				  bt541->prop.max_x);  in zinitix_init_touch()
219 				  bt541->prop.max_y);  in zinitix_init_touch()
229 				  bt541->zinitix_mode);  in zinitix_init_touch()
234 				  bt541->zinitix_mode);  in zinitix_init_touch()
253 static int zinitix_init_regulators(struct bt541_ts_data *bt541)  in zinitix_init_regulators()  argument
255 	struct device *dev = &bt541->client->dev;  in zinitix_init_regulators()
264 		bt541->supplies[0].supply = "vdd";  in zinitix_init_regulators()
265 		bt541->supplies[1].supply = "vddo";  in zinitix_init_regulators()
268 		bt541->supplies[0].supply = "vcca";  in zinitix_init_regulators()
269 		bt541->supplies[1].supply = "vdd";  in zinitix_init_regulators()
272 					ARRAY_SIZE(bt541->supplies),  in zinitix_init_regulators()
273 					bt541->supplies);  in zinitix_init_regulators()
282 static int zinitix_send_power_on_sequence(struct bt541_ts_data *bt541)  in zinitix_send_power_on_sequence()  argument
285 	struct i2c_client *client = bt541->client;  in zinitix_send_power_on_sequence()
322 static void zinitix_report_finger(struct bt541_ts_data *bt541, int slot,  in zinitix_report_finger()  argument
329 		dev_dbg(&bt541->client->dev, "unknown finger event %#02x\n",  in zinitix_report_finger()
337 	input_mt_slot(bt541->input_dev, slot);  in zinitix_report_finger()
338 	if (input_mt_report_slot_state(bt541->input_dev, MT_TOOL_FINGER,  in zinitix_report_finger()
340 		touchscreen_report_pos(bt541->input_dev,  in zinitix_report_finger()
341 				       &bt541->prop, x, y, true);  in zinitix_report_finger()
342 		input_report_abs(bt541->input_dev,  in zinitix_report_finger()
344 		dev_dbg(&bt541->client->dev, "finger %d %s (%u, %u)\n",  in zinitix_report_finger()
348 		dev_dbg(&bt541->client->dev, "finger %d up (%u, %u)\n",  in zinitix_report_finger()
355 	struct bt541_ts_data *bt541 = bt541_handler;  in zinitix_ts_irq_handler()  local
356 	struct i2c_client *client = bt541->client;  in zinitix_ts_irq_handler()
364 	error = zinitix_read_data(bt541->client, ZINITIX_POINT_STATUS_REG,  in zinitix_ts_irq_handler()
377 			zinitix_report_finger(bt541, i, p);  in zinitix_ts_irq_handler()
380 	input_mt_sync_frame(bt541->input_dev);  in zinitix_ts_irq_handler()
381 	input_sync(bt541->input_dev);  in zinitix_ts_irq_handler()
384 	zinitix_write_cmd(bt541->client, ZINITIX_CLEAR_INT_STATUS_CMD);  in zinitix_ts_irq_handler()
388 static int zinitix_start(struct bt541_ts_data *bt541)  in zinitix_start()  argument
392 	error = regulator_bulk_enable(ARRAY_SIZE(bt541->supplies),  in zinitix_start()
393 				      bt541->supplies);  in zinitix_start()
395 		dev_err(&bt541->client->dev,  in zinitix_start()
402 	error = zinitix_send_power_on_sequence(bt541);  in zinitix_start()
404 		dev_err(&bt541->client->dev,  in zinitix_start()
409 	error = zinitix_init_touch(bt541);  in zinitix_start()
411 		dev_err(&bt541->client->dev,  in zinitix_start()
416 	enable_irq(bt541->client->irq);  in zinitix_start()
421 static int zinitix_stop(struct bt541_ts_data *bt541)  in zinitix_stop()  argument
425 	disable_irq(bt541->client->irq);  in zinitix_stop()
427 	error = regulator_bulk_disable(ARRAY_SIZE(bt541->supplies),  in zinitix_stop()
428 				       bt541->supplies);  in zinitix_stop()
430 		dev_err(&bt541->client->dev,  in zinitix_stop()
440 	struct bt541_ts_data *bt541 = input_get_drvdata(dev);  in zinitix_input_open()  local
442 	return zinitix_start(bt541);  in zinitix_input_open()
447 	struct bt541_ts_data *bt541 = input_get_drvdata(dev);  in zinitix_input_close()  local
449 	zinitix_stop(bt541);  in zinitix_input_close()
452 static int zinitix_init_input_dev(struct bt541_ts_data *bt541)  in zinitix_init_input_dev()  argument
457 	input_dev = devm_input_allocate_device(&bt541->client->dev);  in zinitix_init_input_dev()
459 		dev_err(&bt541->client->dev,  in zinitix_init_input_dev()
464 	input_set_drvdata(input_dev, bt541);  in zinitix_init_input_dev()
465 	bt541->input_dev = input_dev;  in zinitix_init_input_dev()
478 	touchscreen_parse_properties(input_dev, true, &bt541->prop);  in zinitix_init_input_dev()
479 	if (!bt541->prop.max_x || !bt541->prop.max_y) {  in zinitix_init_input_dev()
480 		dev_err(&bt541->client->dev,  in zinitix_init_input_dev()
488 		dev_err(&bt541->client->dev,  in zinitix_init_input_dev()
495 		dev_err(&bt541->client->dev,  in zinitix_init_input_dev()
505 	struct bt541_ts_data *bt541;  in zinitix_ts_probe()  local
514 	bt541 = devm_kzalloc(&client->dev, sizeof(*bt541), GFP_KERNEL);  in zinitix_ts_probe()
515 	if (!bt541)  in zinitix_ts_probe()
518 	bt541->client = client;  in zinitix_ts_probe()
519 	i2c_set_clientdata(client, bt541);  in zinitix_ts_probe()
521 	error = zinitix_init_regulators(bt541);  in zinitix_ts_probe()
531 					  client->name, bt541);  in zinitix_ts_probe()
537 	error = zinitix_init_input_dev(bt541);  in zinitix_ts_probe()
545 					 &bt541->zinitix_mode);  in zinitix_ts_probe()
548 		bt541->zinitix_mode = DEFAULT_TOUCH_POINT_MODE;  in zinitix_ts_probe()
551 	if (bt541->zinitix_mode != 2) {  in zinitix_ts_probe()
558 			bt541->zinitix_mode);  in zinitix_ts_probe()
568 	struct bt541_ts_data *bt541 = i2c_get_clientdata(client);  in zinitix_suspend()  local
570 	mutex_lock(&bt541->input_dev->mutex);  in zinitix_suspend()
572 	if (input_device_enabled(bt541->input_dev))  in zinitix_suspend()
573 		zinitix_stop(bt541);  in zinitix_suspend()
575 	mutex_unlock(&bt541->input_dev->mutex);  in zinitix_suspend()
583 	struct bt541_ts_data *bt541 = i2c_get_clientdata(client);  in zinitix_resume()  local
586 	mutex_lock(&bt541->input_dev->mutex);  in zinitix_resume()
588 	if (input_device_enabled(bt541->input_dev))  in zinitix_resume()
589 		ret = zinitix_start(bt541);  in zinitix_resume()
591 	mutex_unlock(&bt541->input_dev->mutex);  in zinitix_resume()