From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from galahad.ideasonboard.com ([185.26.127.97]:48576 "EHLO galahad.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751505AbaJ1NVJ (ORCPT ); Tue, 28 Oct 2014 09:21:09 -0400 From: Laurent Pinchart To: Sakari Ailus Cc: Ricardo Ribalda Delgado , linux-media Subject: Re: Hardware for testing Dead Pixel API Date: Tue, 28 Oct 2014 15:21:14 +0200 Message-ID: <3291269.yV9E63i4de@avalon> In-Reply-To: <544F95BE.1070608@iki.fi> References: <544F95BE.1070608@iki.fi> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-media-owner@vger.kernel.org List-ID: Hello, On Tuesday 28 October 2014 15:10:22 Sakari Ailus wrote: > Ricardo Ribalda Delgado wrote: > > Hello > > > > As we discussed in the mini-summit I am interested in upstreaming an > > API for Dead Pixels. > > > > Since it is not viable to push my camera code, I would like to add it > > to an already supported camera. > > > > On the summit somebody mention a board that also has hardware support > > for Dead Pixels, but the driver did not support it. If my memory is > > right it was a beagle board plus a sensor board. > > > > Could somebody point me to the right hardware to buy ? > > The OMAP 3 ISP does have dead pixel correction but I'm not sure if it's > documented well enough to actually implement it in public documentation. > > A used Nokia N9 or N900 would be one possibility. I think the only > cameras I've seen dead pixels in are either of the front cameras, > probably the one in N900. At the moment only the N9 main camera works > for sure however. The N9 or N900 front cameras will need some debugging > work / DT snippets at least. > > There are cameras for Beagle boards, too. Laurent, do you happen to > remember if you've seen any with dead pixels in it? I haven't seen any, but on the other hand I haven't really paid attention. It shouldn't be difficult to damage pixels on a sensor :-) -- Regards, Laurent Pinchart