121 int ivtv_set_speed(struct ivtv *itv, int speed)  in ivtv_set_speed()  argument
124 	int single_step = (speed == 1 || speed == -1);  in ivtv_set_speed()
127 	if (speed == 0) speed = 1000;  in ivtv_set_speed()
130 	if (speed == itv->speed && !single_step)  in ivtv_set_speed()
133 	if (single_step && (speed < 0) == (itv->speed < 0)) {  in ivtv_set_speed()
136 		itv->speed = speed;  in ivtv_set_speed()
141 		speed = speed < 0 ? -1000 : 1000;  in ivtv_set_speed()
143 	data[0] = (speed > 1000 || speed < -1000) ? 0x80000000 : 0;  in ivtv_set_speed()
144 	data[0] |= (speed > 1000 || speed < -1500) ? 0x40000000 : 0;  in ivtv_set_speed()
145 	data[1] = (speed < 0);  in ivtv_set_speed()
146 	data[2] = speed < 0 ? 3 : 7;  in ivtv_set_speed()
148 	data[4] = (speed == 1500 || speed == 500) ? itv->speed_mute_audio : 0;  in ivtv_set_speed()
152 	if (speed == 1500 || speed == -1500) data[0] |= 1;  in ivtv_set_speed()
153 	else if (speed == 2000 || speed == -2000) data[0] |= 2;  in ivtv_set_speed()
154 	else if (speed > -1000 && speed < 0) data[0] |= (-1000 / speed);  in ivtv_set_speed()
155 	else if (speed < 1000 && speed > 0) data[0] |= (1000 / speed);  in ivtv_set_speed()
185 		speed = (speed < 0) ? -1 : 1;  in ivtv_set_speed()
188 	itv->speed = speed;  in ivtv_set_speed()
242 		dc->start.speed = ivtv_validate_speed(itv->speed, dc->start.speed);  in ivtv_video_command()
243 		if (dc->start.speed < 0)  in ivtv_video_command()
247 		if (dc->start.speed != 500 && dc->start.speed != 1500)  in ivtv_video_command()
248 			dc->flags = dc->start.speed == 1000 ? 0 :  in ivtv_video_command()
257 			itv->speed = 0;  in ivtv_video_command()
259 		return ivtv_start_decoding(id, dc->start.speed);  in ivtv_video_command()
297 			int speed = itv->speed;  in ivtv_video_command()  local
298 			itv->speed = 0;  in ivtv_video_command()
299 			return ivtv_start_decoding(id, speed);  in ivtv_video_command()