From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx3.redhat.com (mx3.redhat.com [172.16.48.32]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id m42BUA5U029857 for ; Fri, 2 May 2008 07:30:10 -0400 Received: from mail.uni-paderborn.de (mail.uni-paderborn.de [131.234.142.9]) by mx3.redhat.com (8.13.8/8.13.8) with ESMTP id m42BTuq0002970 for ; Fri, 2 May 2008 07:29:56 -0400 Message-ID: <481AFB30.5070508@hni.uni-paderborn.de> Date: Fri, 02 May 2008 13:29:52 +0200 From: Stefan Herbrechtsmeier MIME-Version: 1.0 To: Guennadi Liakhovetski References: <48030F6F.1040007@hni.uni-paderborn.de> <480477BD.5090900@hni.uni-paderborn.de> <481ADED1.8050201@hni.uni-paderborn.de> <481AF6CA.9030505@hni.uni-paderborn.de> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Cc: video4linux-list@redhat.com Subject: Re: OmniVision OV9655 camera chip via soc-camera interface List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: video4linux-list-bounces@redhat.com Errors-To: video4linux-list-bounces@redhat.com List-ID: Guennadi Liakhovetski schrieb: > On Fri, 2 May 2008, Stefan Herbrechtsmeier wrote: > > >> Guennadi Liakhovetski schrieb: >> >>>> 3. Add x_skip_left to soc_camera_device >>>> The pxa_camera has to skip some pixel at the begin of each line if a HSYNC >>>> signal is used. >>>> (y_skip_top and x_skip_left can change with each format adjustment!) >>>> >>>> >>> How and why shall they change? >>> >>> >> They shall change to support both signal types and to make the names and >> function clear. The OmniVision chips >> support both types and you can configure the VSYNC pin. At the moment I used >> SOCAM_HSYNC_* >> but configure the chip to use HREF to work without pixel skipping. >> > > Sorry, I mean why y_skip_top and x_skip_left shall change? > > At the time I used VSYNC (without x_skip_left) I have different number of empty pixels at the begin of each line for different resolutions. But I haven't really evaluate this. Regards Stefan -- Dipl.-Ing. Stefan Herbrechtsmeier Heinz Nixdorf Institute University of Paderborn System and Circuit Technology Fürstenallee 11 D-33102 Paderborn (Germany) office : F0.415 phone : + 49 5251 - 60 6342 fax : + 49 5251 - 60 6351 mailto : hbmeier@hni.upb.de www : http://wwwhni.upb.de/sct/mitarbeiter/hbmeier -- video4linux-list mailing list Unsubscribe mailto:video4linux-list-request@redhat.com?subject=unsubscribe https://www.redhat.com/mailman/listinfo/video4linux-list