Received: by 2002:a25:824b:0:0:0:0:0 with SMTP id d11csp1108375ybn; Wed, 2 Oct 2019 10:58:45 -0700 (PDT) X-Google-Smtp-Source: APXvYqyU+r4cBmoVUToHpodUmWemeKcpzWDrSv5X0LHD6EvmmdVw8UA0RS1zMbFXJ8u1p6XdLzaj X-Received: by 2002:a50:d089:: with SMTP id v9mr5381414edd.54.1570039125428; Wed, 02 Oct 2019 10:58:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1570039125; cv=none; d=google.com; s=arc-20160816; b=MbePN4uf4aNPfoWSiJIMbrQyNbw5YWu5rN50pVGxgpUEp0fJey5DJCtmzVZjQAMpLT xpKlgFmucAq7Bpv6BUm8U5TqeG3XDjpBKupfdAzS65O8sV7jfge+hv0wSW2nkxJ4vsx8 u02O4Qv/+/b7SrE+0O92/Q+mFm74qHyussT1iYvhxO4MtIvEFZxNzw0ujsk71wPoisqE rDDTfJUR2SXytxTgrnj46wbZIcpoeVbiD0NCvmciQOif/NgYJTnwhAcPgRw/msKT8le7 nGI9xWZGRjupMahG6TD13oMyELquBX92Mi0TGT9rXtLnHGr807YtkKMGAXF1khCvxBND aDxQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-language :content-transfer-encoding:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject; bh=ZIlhVNYoHQjc8JxvNovIdixGrt9CzvHfK1WWqvsRL6Y=; b=B5m14d11FPcZwzTwwod5MNWvVpaGPLro7y7wQ5L8Ien9aKRhDxDwNlSNe/B7Vs0sEE y4mkqOUc6Bgu1wpYBQMdh6P66FgDsN7sKkmkfWfF/J5KQ5piuhqhWQg6DXxo25D5Xihm +KhAgvzJL/eU42RQ6J+Yysq7e9bTAGv6wXW6JRqe47Hymss9+1hMuWZwdT+Pa7eB1y7v peA6M7W7lA9cuAFLgpf+IrxwYAxJ+lzHJbg9qTycboOCBxIe/G6Du7OYNAd4wwNOkRi4 x9Ah4cgpqb2PjyDhS3kTrYo5voLmERcHhgsZw5NRcreaO+kZUa5vA3A4QW/hvnhQ7iZY rEJA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 4si11965155ejc.382.2019.10.02.10.58.21; Wed, 02 Oct 2019 10:58:45 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728412AbfJBR4H (ORCPT + 99 others); Wed, 2 Oct 2019 13:56:07 -0400 Received: from jpvw.nl ([80.127.100.2]:53154 "EHLO jpvw.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727624AbfJBR4G (ORCPT ); Wed, 2 Oct 2019 13:56:06 -0400 X-Greylist: delayed 1981 seconds by postgrey-1.27 at vger.kernel.org; Wed, 02 Oct 2019 13:56:05 EDT Received: from localhost ([127.0.0.1] helo=jpvw.nl) by jpvw.nl with esmtp (Exim 4.92) (envelope-from ) id 1iFiL8-000437-RS; Wed, 02 Oct 2019 19:23:02 +0200 Subject: Re: [PATCH] si2157: Add support for Logilink VG0022A. To: Gonsolo , Sean Young Cc: mchehab+samsung@kernel.org, crope@iki.fi, linux-media@vger.kernel.org, Linux Kernel References: <20191001205203.4b1a5fb6@coco.lan> <20191002141359.30166-1-gonsolo@gmail.com> <20191002141359.30166-2-gonsolo@gmail.com> <20191002142744.GA3475@gofer.mess.org> <20191002150650.GA4227@gofer.mess.org> From: JP Message-ID: <29ab2e43-4374-a3ea-6ae1-a4267867eaa4@jpvw.nl> Date: Wed, 2 Oct 2019 19:23:02 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all. On 10/2/19 5:21 PM, Gonsolo wrote: > Hi! > >> Antti has some great suggestions in that thread: >> https://lkml.org/lkml/2017/5/24/245 >> >> Also note https://lkml.org/lkml/2017/5/26/357 if you have access to a >> logic analyser. > I read that thread. Unfortunately I'm not a hardware engineer nor do I > have access to a logic analyser, just the device and a remote hope not > to keep my custom 4.13 kernel forever or to have to buy a new DVB T2 > device. :( > In the above thread it is mentioned that even the Windows driver > receives the ffff's so maybe it is a hardware bug? Looks like it is: http://lkml.iu.edu/hypermail/linux/kernel/1710.3/03205.html > > I'd love to see this driver upstream but I have no idea how to > proceed. Any suggestions? >