197 static int ivtv_validate_speed(int cur_speed, int new_speed)  in ivtv_validate_speed()  argument
199 	int fact = new_speed < 0 ? -1 : 1;  in ivtv_validate_speed()
204 	if (new_speed < 0)  in ivtv_validate_speed()
205 		new_speed = -new_speed;  in ivtv_validate_speed()
209 	if (cur_speed <= new_speed) {  in ivtv_validate_speed()
210 		if (new_speed > 1500)  in ivtv_validate_speed()
212 		if (new_speed > 1000)  in ivtv_validate_speed()
216 		if (new_speed >= 2000)  in ivtv_validate_speed()
218 		if (new_speed >= 1500)  in ivtv_validate_speed()
220 		if (new_speed >= 1000)  in ivtv_validate_speed()
223 	if (new_speed == 0)  in ivtv_validate_speed()
225 	if (new_speed == 1 || new_speed == 1000)  in ivtv_validate_speed()
226 		return fact * new_speed;  in ivtv_validate_speed()
228 	s = new_speed;  in ivtv_validate_speed()
229 	new_speed = 1000 / new_speed;  in ivtv_validate_speed()
230 	if (1000 / cur_speed == new_speed)  in ivtv_validate_speed()
231 		new_speed += (cur_speed < s) ? -1 : 1;  in ivtv_validate_speed()
232 	if (new_speed > 60) return 1000 / (fact * 60);  in ivtv_validate_speed()
233 	return 1000 / (fact * new_speed);  in ivtv_validate_speed()