646 			   struct bttv_buffer_set *set)  in bttv_buffer_activate_video()  argument
649 	if (NULL != set->top  &&  NULL != set->bottom) {  in bttv_buffer_activate_video()
650 		if (set->top == set->bottom) {  in bttv_buffer_activate_video()
651 			set->top->vb.state    = VIDEOBUF_ACTIVE;  in bttv_buffer_activate_video()
652 			if (set->top->vb.queue.next)  in bttv_buffer_activate_video()
653 				list_del(&set->top->vb.queue);  in bttv_buffer_activate_video()
655 			set->top->vb.state    = VIDEOBUF_ACTIVE;  in bttv_buffer_activate_video()
656 			set->bottom->vb.state = VIDEOBUF_ACTIVE;  in bttv_buffer_activate_video()
657 			if (set->top->vb.queue.next)  in bttv_buffer_activate_video()
658 				list_del(&set->top->vb.queue);  in bttv_buffer_activate_video()
659 			if (set->bottom->vb.queue.next)  in bttv_buffer_activate_video()
660 				list_del(&set->bottom->vb.queue);  in bttv_buffer_activate_video()
662 		bttv_apply_geo(btv, &set->top->geo, 1);  in bttv_buffer_activate_video()
663 		bttv_apply_geo(btv, &set->bottom->geo,0);  in bttv_buffer_activate_video()
664 		bttv_risc_hook(btv, RISC_SLOT_O_FIELD, &set->top->top,  in bttv_buffer_activate_video()
665 			       set->top_irq);  in bttv_buffer_activate_video()
666 		bttv_risc_hook(btv, RISC_SLOT_E_FIELD, &set->bottom->bottom,  in bttv_buffer_activate_video()
667 			       set->frame_irq);  in bttv_buffer_activate_video()
668 		btaor((set->top->btformat & 0xf0) | (set->bottom->btformat & 0x0f),  in bttv_buffer_activate_video()
670 		btaor((set->top->btswap & 0x0a) | (set->bottom->btswap & 0x05),  in bttv_buffer_activate_video()
672 	} else if (NULL != set->top) {  in bttv_buffer_activate_video()
673 		set->top->vb.state  = VIDEOBUF_ACTIVE;  in bttv_buffer_activate_video()
674 		if (set->top->vb.queue.next)  in bttv_buffer_activate_video()
675 			list_del(&set->top->vb.queue);  in bttv_buffer_activate_video()
676 		bttv_apply_geo(btv, &set->top->geo,1);  in bttv_buffer_activate_video()
677 		bttv_apply_geo(btv, &set->top->geo,0);  in bttv_buffer_activate_video()
678 		bttv_risc_hook(btv, RISC_SLOT_O_FIELD, &set->top->top,  in bttv_buffer_activate_video()
679 			       set->frame_irq);  in bttv_buffer_activate_video()
681 		btaor(set->top->btformat & 0xff, ~0xff, BT848_COLOR_FMT);  in bttv_buffer_activate_video()
682 		btaor(set->top->btswap & 0x0f,   ~0x0f, BT848_COLOR_CTL);  in bttv_buffer_activate_video()
683 	} else if (NULL != set->bottom) {  in bttv_buffer_activate_video()
684 		set->bottom->vb.state = VIDEOBUF_ACTIVE;  in bttv_buffer_activate_video()
685 		if (set->bottom->vb.queue.next)  in bttv_buffer_activate_video()
686 			list_del(&set->bottom->vb.queue);  in bttv_buffer_activate_video()
687 		bttv_apply_geo(btv, &set->bottom->geo,1);  in bttv_buffer_activate_video()
688 		bttv_apply_geo(btv, &set->bottom->geo,0);  in bttv_buffer_activate_video()
690 		bttv_risc_hook(btv, RISC_SLOT_E_FIELD, &set->bottom->bottom,  in bttv_buffer_activate_video()
691 			       set->frame_irq);  in bttv_buffer_activate_video()
692 		btaor(set->bottom->btformat & 0xff, ~0xff, BT848_COLOR_FMT);  in bttv_buffer_activate_video()
693 		btaor(set->bottom->btswap & 0x0f,   ~0x0f, BT848_COLOR_CTL);  in bttv_buffer_activate_video()