1 // SPDX-License-Identifier: GPL-2.0-only
6  * - a resolution (-r) of 3600 will report 3600 "ticks" in one full rotation
8  * - any other resolution will report N "ticks" in a full rotation with haptic
43 static void int_exit(int sig)  in int_exit()  argument
54 		"    -r N\t set the given resolution to the device (number of ticks per 360°)\n\n",  in usage()
59 		"- a resolution (-r) of 3600 will report 3600 'ticks' in one full rotation\n"  in usage()
61 		"- any other resolution will report N 'ticks' in a full rotation with haptic\n"  in usage()
70 	const char *str_id, *dir;  in get_hid_id()  local
75 	snprintf(uevent, sizeof(uevent) - 1, "%s/uevent", path);  in get_hid_id()
79 		return -ENOENT;  in get_hid_id()
83 	dir = basename((char *)path);  in get_hid_id()
85 	str_id = dir + sizeof("0003:0001:0A37.");  in get_hid_id()
93 		.retval = -1,  in attach_prog()
101 	attach_fd = bpf_program__fd(skel->progs.attach_prog);  in attach_prog()
121 		.retval = -1,  in set_haptic()
129 	haptic_fd = bpf_program__fd(skel->progs.set_haptic);  in set_haptic()
152 	while ((opt = getopt(argc, argv, optstr)) != -1) {  in main()
157 				long l = -1;  in main()
162 						l = -1;  in main()
167 						"invalid r option %s - expecting a number\n",  in main()
195 		return -1;  in main()
204 	skel->data->resolution = resolution;  in main()
205 	skel->data->physical = (int)(resolution / 72);  in main()
207 	bpf_object__for_each_program(prog, *skel->skeleton->obj) {  in main()