208 static int ivtv_validate_speed(int cur_speed, int new_speed)  in ivtv_validate_speed()  argument
210 	int fact = new_speed < 0 ? -1 : 1;  in ivtv_validate_speed()
215 	if (new_speed < 0)  in ivtv_validate_speed()
216 		new_speed = -new_speed;  in ivtv_validate_speed()
220 	if (cur_speed <= new_speed) {  in ivtv_validate_speed()
221 		if (new_speed > 1500)  in ivtv_validate_speed()
223 		if (new_speed > 1000)  in ivtv_validate_speed()
227 		if (new_speed >= 2000)  in ivtv_validate_speed()
229 		if (new_speed >= 1500)  in ivtv_validate_speed()
231 		if (new_speed >= 1000)  in ivtv_validate_speed()
234 	if (new_speed == 0)  in ivtv_validate_speed()
236 	if (new_speed == 1 || new_speed == 1000)  in ivtv_validate_speed()
237 		return fact * new_speed;  in ivtv_validate_speed()
239 	s = new_speed;  in ivtv_validate_speed()
240 	new_speed = 1000 / new_speed;  in ivtv_validate_speed()
241 	if (1000 / cur_speed == new_speed)  in ivtv_validate_speed()
242 		new_speed += (cur_speed < s) ? -1 : 1;  in ivtv_validate_speed()
243 	if (new_speed > 60) return 1000 / (fact * 60);  in ivtv_validate_speed()
244 	return 1000 / (fact * new_speed);  in ivtv_validate_speed()