5  * Copyright (C) 2006 Michael Hanselmann (linux-kernel@hansmi.ch)
24 MODULE_PARM_DESC(joystick, "Enable the input class device on module load");
26 static bool invert;  variable
27 module_param(invert, bool, S_IWUSR | S_IRUGO);
28 MODULE_PARM_DESC(invert, "Invert input data on X and Y axis");
34 	struct input_dev *idev = dev->input;  in ams_idev_poll()
41 	x -= ams_info.xcalib;  in ams_idev_poll()
42 	y -= ams_info.ycalib;  in ams_idev_poll()
43 	z -= ams_info.zcalib;  in ams_idev_poll()
45 	input_report_abs(idev, ABS_X, invert ? -x : x);  in ams_idev_poll()
46 	input_report_abs(idev, ABS_Y, invert ? -y : y);  in ams_idev_poll()
68 		return -ENOMEM;  in ams_input_enable()
70 	ams_info.idev->poll = ams_idev_poll;  in ams_input_enable()
71 	ams_info.idev->poll_interval = 25;  in ams_input_enable()
73 	input = ams_info.idev->input;  in ams_input_enable()
74 	input->name = "Apple Motion Sensor";  in ams_input_enable()
75 	input->id.bustype = ams_info.bustype;  in ams_input_enable()
76 	input->id.vendor = 0;  in ams_input_enable()
77 	input->dev.parent = &ams_info.of_dev->dev;  in ams_input_enable()
79 	input_set_abs_params(input, ABS_X, -50, 50, 3, 0);  in ams_input_enable()
80 	input_set_abs_params(input, ABS_Y, -50, 50, 3, 0);  in ams_input_enable()
81 	input_set_abs_params(input, ABS_Z, -50, 50, 3, 0);  in ams_input_enable()
83 	set_bit(EV_ABS, input->evbit);  in ams_input_enable()
84 	set_bit(EV_KEY, input->evbit);  in ams_input_enable()
85 	set_bit(BTN_TOUCH, input->keybit);  in ams_input_enable()
119 	unsigned long enable;  in ams_input_store_joystick()  local
123 	ret = kstrtoul(buf, 0, &enable);  in ams_input_store_joystick()
126 	if (enable > 1)  in ams_input_store_joystick()
127 		return -EINVAL;  in ams_input_store_joystick()
131 	if (enable != joystick) {  in ams_input_store_joystick()
132 		if (enable)  in ams_input_store_joystick()
151 	return device_create_file(&ams_info.of_dev->dev, &dev_attr_joystick);  in ams_input_init()
156 	device_remove_file(&ams_info.of_dev->dev, &dev_attr_joystick);  in ams_input_exit()