input/touchscreen/iqs5xx.c

21 #include <linux/input.h>
22 #include <linux/input/mt.h>
23 #include <linux/input/touchscreen.h>
125 	struct input_dev *input;
471 static int iqs5xx_open(struct input_dev *input)
473 	struct iqs5xx_private *iqs5xx = input_get_drvdata(input);
478 static void iqs5xx_close(struct input_dev *input)
480 	struct iqs5xx_private *iqs5xx = input_get_drvdata(input);
489 	struct input_dev *input = iqs5xx->input;
493 	if (!input) {
494 		input = devm_input_allocate_device(&client->dev);
495 		if (!input)
498 		input->name = client->name;
499 		input->id.bustype = BUS_I2C;
500 		input->open = iqs5xx_open;
501 		input->close = iqs5xx_close;
503 		input_set_drvdata(input, iqs5xx);
504 		iqs5xx->input = input;
515 	input_set_abs_params(input, ABS_MT_POSITION_X, 0, max_x, 0, 0);
516 	input_set_abs_params(input, ABS_MT_POSITION_Y, 0, max_y, 0, 0);
517 	input_set_abs_params(input, ABS_MT_PRESSURE, 0, U16_MAX, 0, 0);
519 	touchscreen_parse_properties(input, true, prop);
543 	error = input_mt_init_slots(input, IQS5XX_NUM_CONTACTS,
641 	struct input_dev *input = iqs5xx->input;
647 	 * bootloader mode, the input device is guaranteed to be allocated.
674 		input_mt_slot(input, i);
675 		if (input_mt_report_slot_state(input, MT_TOOL_FINGER,
677 			touchscreen_report_pos(input, &iqs5xx->prop,
681 			input_report_abs(input, ABS_MT_PRESSURE, pressure);
685 	input_mt_sync_frame(input);
686 	input_sync(input);
901 	bool input_reg = !iqs5xx->input;
922 	 * If the input device was not allocated already, it is guaranteed to
926 		error = input_register_device(iqs5xx->input);
986 	struct input_dev *input = iqs5xx->input;
989 	if (!input || device_may_wakeup(dev))
992 	mutex_lock(&input->mutex);
994 	if (input_device_enabled(input))
997 	mutex_unlock(&input->mutex);
1005 	struct input_dev *input = iqs5xx->input;
1008 	if (!input || device_may_wakeup(dev))
1011 	mutex_lock(&input->mutex);
1013 	if (input_device_enabled(input))
1016 	mutex_unlock(&input->mutex);
1057 	if (iqs5xx->input) {
1058 		error = input_register_device(iqs5xx->input);