drivers/hid/hid-bigbenff.c

188 static inline void bigben_schedule_work(struct bigben_device *bigben)
192 	spin_lock_irqsave(&bigben->lock, flags);
193 	if (!bigben->removed)
194 		schedule_work(&bigben->worker);
195 	spin_unlock_irqrestore(&bigben->lock, flags);
200 	struct bigben_device *bigben = container_of(work,
202 	struct hid_field *report_field = bigben->report->field[0];
209 	buf = hid_alloc_report_buf(bigben->report, GFP_KERNEL);
213 	len = hid_report_len(bigben->report);
216 	spin_lock_irqsave(&bigben->lock, flags);
218 	if (bigben->work_led) {
219 		bigben->work_led = false;
223 		report_field->value[2] = bigben->led_state;
229 		hid_output_report(bigben->report, buf);
232 	spin_unlock_irqrestore(&bigben->lock, flags);
235 		hid_hw_raw_request(bigben->hid, bigben->report->id, buf, len,
236 				   bigben->report->type, HID_REQ_SET_REPORT);
240 	spin_lock_irqsave(&bigben->lock, flags);
242 	if (bigben->work_ff) {
243 		bigben->work_ff = false;
247 		report_field->value[2] = bigben->right_motor_on;
248 		report_field->value[3] = bigben->left_motor_force;
253 		hid_output_report(bigben->report, buf);
256 	spin_unlock_irqrestore(&bigben->lock, flags);
259 		hid_hw_raw_request(bigben->hid, bigben->report->id, buf, len,
260 				   bigben->report->type, HID_REQ_SET_REPORT);
270 	struct bigben_device *bigben = hid_get_drvdata(hid);
275 	if (!bigben) {
286 	if (right_motor_on != bigben->right_motor_on ||
287 			left_motor_force != bigben->left_motor_force) {
288 		spin_lock_irqsave(&bigben->lock, flags);
289 		bigben->right_motor_on   = right_motor_on;
290 		bigben->left_motor_force = left_motor_force;
291 		bigben->work_ff = true;
292 		spin_unlock_irqrestore(&bigben->lock, flags);
294 		bigben_schedule_work(bigben);
305 	struct bigben_device *bigben = hid_get_drvdata(hid);
310 	if (!bigben) {
316 		if (led == bigben->leds[n]) {
317 			spin_lock_irqsave(&bigben->lock, flags);
319 				work = (bigben->led_state & BIT(n));
320 				bigben->led_state &= ~BIT(n);
322 				work = !(bigben->led_state & BIT(n));
323 				bigben->led_state |= BIT(n);
325 			spin_unlock_irqrestore(&bigben->lock, flags);
328 				bigben->work_led = true;
329 				bigben_schedule_work(bigben);
340 	struct bigben_device *bigben = hid_get_drvdata(hid);
343 	if (!bigben) {
349 		if (led == bigben->leds[n])
350 			return (bigben->led_state & BIT(n)) ? LED_ON : LED_OFF;
358 	struct bigben_device *bigben = hid_get_drvdata(hid);
361 	spin_lock_irqsave(&bigben->lock, flags);
362 	bigben->removed = true;
363 	spin_unlock_irqrestore(&bigben->lock, flags);
365 	cancel_work_sync(&bigben->worker);
372 	struct bigben_device *bigben;
379 	bigben = devm_kzalloc(&hid->dev, sizeof(*bigben), GFP_KERNEL);
380 	if (!bigben)
382 	hid_set_drvdata(hid, bigben);
383 	bigben->hid = hid;
384 	bigben->removed = false;
398 	bigben->report = hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 8);
399 	if (!bigben->report) {
414 	INIT_WORK(&bigben->worker, bigben_worker);
415 	spin_lock_init(&bigben->lock);
422 	name_sz = strlen(dev_name(&hid->dev)) + strlen(":red:bigben#") + 1;
436 			"%s:red:bigben%d",
444 		bigben->leds[n] = led;
451 	bigben->led_state = BIT(0);
452 	bigben->right_motor_on = 0;
453 	bigben->left_motor_force = 0;
454 	bigben->work_led = true;
455 	bigben->work_ff = true;
456 	bigben_schedule_work(bigben);
485 	.name = "bigben",