drivers/hid/uhid.c

15 #include <linux/hid.h>
39 	 * holding @devlock, it's still fine to access @hid.
47 	struct hid_device *hid;
73 	ret = hid_add_device(uhid->hid);
75 		hid_err(uhid->hid, "Cannot register HID device: error %d\n", ret);
80 		 * of using uhid->hid.
81 		 * Just leave uhid->hid as-is for now, and clean it up when
103 		hid_warn(uhid->hid, "Output queue is full\n");
126 static int uhid_hid_start(struct hid_device *hid)
128 	struct uhid_device *uhid = hid->driver_data;
138 	if (hid->report_enum[HID_FEATURE_REPORT].numbered)
140 	if (hid->report_enum[HID_OUTPUT_REPORT].numbered)
142 	if (hid->report_enum[HID_INPUT_REPORT].numbered)
152 static void uhid_hid_stop(struct hid_device *hid)
154 	struct uhid_device *uhid = hid->driver_data;
156 	hid->claimed = 0;
160 static int uhid_hid_open(struct hid_device *hid)
162 	struct uhid_device *uhid = hid->driver_data;
167 static void uhid_hid_close(struct hid_device *hid)
169 	struct uhid_device *uhid = hid->driver_data;
174 static int uhid_hid_parse(struct hid_device *hid)
176 	struct uhid_device *uhid = hid->driver_data;
178 	return hid_parse_report(hid, uhid->rd_data, uhid->rd_size);
232 static int uhid_hid_get_report(struct hid_device *hid, unsigned char rnum,
235 	struct uhid_device *uhid = hid->driver_data;
275 static int uhid_hid_set_report(struct hid_device *hid, unsigned char rnum,
278 	struct uhid_device *uhid = hid->driver_data;
316 static int uhid_hid_raw_request(struct hid_device *hid, unsigned char reportnum,
338 		return uhid_hid_get_report(hid, reportnum, buf, len, u_rtype);
340 		return uhid_hid_set_report(hid, reportnum, buf, len, u_rtype);
346 static int uhid_hid_output_raw(struct hid_device *hid, __u8 *buf, size_t count,
349 	struct uhid_device *uhid = hid->driver_data;
384 static int uhid_hid_output_report(struct hid_device *hid, __u8 *buf,
387 	return uhid_hid_output_raw(hid, buf, count, HID_OUTPUT_REPORT);
492 	struct hid_device *hid;
497 	if (uhid->hid)
511 	hid = hid_allocate_device();
512 	if (IS_ERR(hid)) {
513 		ret = PTR_ERR(hid);
517 	BUILD_BUG_ON(sizeof(hid->name) != sizeof(ev->u.create2.name));
518 	strscpy(hid->name, ev->u.create2.name, sizeof(hid->name));
519 	BUILD_BUG_ON(sizeof(hid->phys) != sizeof(ev->u.create2.phys));
520 	strscpy(hid->phys, ev->u.create2.phys, sizeof(hid->phys));
521 	BUILD_BUG_ON(sizeof(hid->uniq) != sizeof(ev->u.create2.uniq));
522 	strscpy(hid->uniq, ev->u.create2.uniq, sizeof(hid->uniq));
524 	hid->ll_driver = &uhid_hid_driver;
525 	hid->bus = ev->u.create2.bus;
526 	hid->vendor = ev->u.create2.vendor;
527 	hid->product = ev->u.create2.product;
528 	hid->version = ev->u.create2.version;
529 	hid->country = ev->u.create2.country;
530 	hid->driver_data = uhid;
531 	hid->dev.parent = uhid_misc.this_device;
533 	uhid->hid = hid;
578 	if (!uhid->hid)
586 	hid_destroy_device(uhid->hid);
587 	uhid->hid = NULL;
598 	hid_input_report(uhid->hid, HID_INPUT_REPORT, ev->u.input.data,
609 	hid_input_report(uhid->hid, HID_INPUT_REPORT, ev->u.input2.data,