Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4FCFAC43387 for ; Sun, 23 Dec 2018 21:40:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 175622176F for ; Sun, 23 Dec 2018 21:40:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725856AbeLWVkL (ORCPT ); Sun, 23 Dec 2018 16:40:11 -0500 Received: from quechua.inka.de ([193.197.184.2]:44621 "EHLO mail.inka.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725828AbeLWVkL (ORCPT ); Sun, 23 Dec 2018 16:40:11 -0500 Received: from localhost by mail.inka.de with local-rmail id 1gbBTl-0006oC-QP; Sun, 23 Dec 2018 22:40:09 +0100 Received: by raven.inka.de (Postfix, from userid 1000) id 5E69C12020F; Sun, 23 Dec 2018 22:32:02 +0100 (CET) Date: Sun, 23 Dec 2018 22:32:02 +0100 From: Josef Wolf To: linux-media@vger.kernel.org Subject: diseqc slave reply? Message-ID: <20181223213202.GL11337@raven.inka.de> Mail-Followup-To: Josef Wolf , linux-media@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Hello all, When I try bidirectional diseqc communicastion, when calling FE_DISEQC_RECV_SLAVE_REPLY like this: struct dvb_diseqc_slave_reply reply; ioctl(fefd,FE_DISEQC_RECV_SLAVE_REPLY,&reply) I get the error: failed: Operation not supported This is with an Max-S8 made by Digital Devices. Is this limitation by hardware, by driver or by dvb subsystem? Or am I missing something substantial? Thanks! -- Josef Wolf jw@raven.inka.de