From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752582AbcCUIOK (ORCPT ); Mon, 21 Mar 2016 04:14:10 -0400 Received: from lb1-smtp-cloud6.xs4all.net ([194.109.24.24]:59934 "EHLO lb1-smtp-cloud6.xs4all.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751435AbcCUIOG (ORCPT ); Mon, 21 Mar 2016 04:14:06 -0400 Subject: Re: [PATCH RFC 0/2] pxa_camera transition to v4l2 standalone device To: Robert Jarzmik , Guennadi Liakhovetski , Mauro Carvalho Chehab References: <1458421288-22094-1-git-send-email-robert.jarzmik@free.fr> Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org From: Hans Verkuil Message-ID: <56EFAD47.8010403@xs4all.nl> Date: Mon, 21 Mar 2016 09:13:59 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Icedove/38.6.0 MIME-Version: 1.0 In-Reply-To: <1458421288-22094-1-git-send-email-robert.jarzmik@free.fr> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 03/19/2016 10:01 PM, Robert Jarzmik wrote: > Hi Hans and Guennadi, > > As Hans is converting sh_mobile_ceu_camera.c, That's not going as fast as I hoped. This driver is quite complex and extracting it from soc-camera isn't easy. I also can't spend as much time as I'd like on this. > let's see how close our ports are > to see if there are things we could either reuse of change. > > The port is assuming : > - the formation translation is transferred into soc_mediabus, so that it can be > reused across all v4l2 devices At best this will be a temporary helper source. I never liked soc_mediabus, I don't believe it is the right approach. But I have no problem if it is used for now to simplify the soc-camera dependency removal. > - pxa_camera is ported > > This sets a ground of discussion for soc_camera adherence removal from > pxa_camera. I'd like to have a comment from Hans if this is what he has in mind, > and Guennadi if he agrees to transfer the soc xlate stuff to soc_mediabus. Can you provide the output of 'v4l2-compliance -s' with your new pxa driver? I would be curious to see the result of that. Regards, Hans