192 static int ivtv_validate_speed(int cur_speed, int new_speed)  in ivtv_validate_speed()  argument
194 	int fact = new_speed < 0 ? -1 : 1;  in ivtv_validate_speed()
199 	if (new_speed < 0)  in ivtv_validate_speed()
200 		new_speed = -new_speed;  in ivtv_validate_speed()
204 	if (cur_speed <= new_speed) {  in ivtv_validate_speed()
205 		if (new_speed > 1500)  in ivtv_validate_speed()
207 		if (new_speed > 1000)  in ivtv_validate_speed()
211 		if (new_speed >= 2000)  in ivtv_validate_speed()
213 		if (new_speed >= 1500)  in ivtv_validate_speed()
215 		if (new_speed >= 1000)  in ivtv_validate_speed()
218 	if (new_speed == 0)  in ivtv_validate_speed()
220 	if (new_speed == 1 || new_speed == 1000)  in ivtv_validate_speed()
221 		return fact * new_speed;  in ivtv_validate_speed()
223 	s = new_speed;  in ivtv_validate_speed()
224 	new_speed = 1000 / new_speed;  in ivtv_validate_speed()
225 	if (1000 / cur_speed == new_speed)  in ivtv_validate_speed()
226 		new_speed += (cur_speed < s) ? -1 : 1;  in ivtv_validate_speed()
227 	if (new_speed > 60) return 1000 / (fact * 60);  in ivtv_validate_speed()
228 	return 1000 / (fact * new_speed);  in ivtv_validate_speed()