696 static int cpia2_g_jpegcomp(struct file *file, void *fh, struct v4l2_jpegcompression *parms)  in cpia2_g_jpegcomp()  argument
700 	memset(parms, 0, sizeof(*parms));  in cpia2_g_jpegcomp()
702 	parms->quality = 80; // TODO: Can this be made meaningful?  in cpia2_g_jpegcomp()
704 	parms->jpeg_markers = V4L2_JPEG_MARKER_DQT | V4L2_JPEG_MARKER_DRI;  in cpia2_g_jpegcomp()
706 		parms->jpeg_markers |= V4L2_JPEG_MARKER_DHT;  in cpia2_g_jpegcomp()
709 	parms->APPn = cam->APPn;  in cpia2_g_jpegcomp()
710 	parms->APP_len = cam->APP_len;  in cpia2_g_jpegcomp()
712 		memcpy(parms->APP_data, cam->APP_data, cam->APP_len);  in cpia2_g_jpegcomp()
713 		parms->jpeg_markers |= V4L2_JPEG_MARKER_APP;  in cpia2_g_jpegcomp()
716 	parms->COM_len = cam->COM_len;  in cpia2_g_jpegcomp()
718 		memcpy(parms->COM_data, cam->COM_data, cam->COM_len);  in cpia2_g_jpegcomp()
719 		parms->jpeg_markers |= JPEG_MARKER_COM;  in cpia2_g_jpegcomp()
723 	    parms->APP_len, parms->COM_len);  in cpia2_g_jpegcomp()
738 		const struct v4l2_jpegcompression *parms)  in cpia2_s_jpegcomp()  argument
743 	    parms->APP_len, parms->COM_len);  in cpia2_s_jpegcomp()
746 		!(parms->jpeg_markers & V4L2_JPEG_MARKER_DHT);  in cpia2_s_jpegcomp()
748 	if(parms->APP_len != 0) {  in cpia2_s_jpegcomp()
749 		if(parms->APP_len > 0 &&  in cpia2_s_jpegcomp()
750 		   parms->APP_len <= sizeof(cam->APP_data) &&  in cpia2_s_jpegcomp()
751 		   parms->APPn >= 0 && parms->APPn <= 15) {  in cpia2_s_jpegcomp()
752 			cam->APPn = parms->APPn;  in cpia2_s_jpegcomp()
753 			cam->APP_len = parms->APP_len;  in cpia2_s_jpegcomp()
754 			memcpy(cam->APP_data, parms->APP_data, parms->APP_len);  in cpia2_s_jpegcomp()
757 			    parms->APPn, parms->APP_len);  in cpia2_s_jpegcomp()
764 	if(parms->COM_len != 0) {  in cpia2_s_jpegcomp()
765 		if(parms->COM_len > 0 &&  in cpia2_s_jpegcomp()
766 		   parms->COM_len <= sizeof(cam->COM_data)) {  in cpia2_s_jpegcomp()
767 			cam->COM_len = parms->COM_len;  in cpia2_s_jpegcomp()
768 			memcpy(cam->COM_data, parms->COM_data, parms->COM_len);  in cpia2_s_jpegcomp()
770 			LOG("Bad COM_len=%d\n", parms->COM_len);  in cpia2_s_jpegcomp()