From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mailout1.w1.samsung.com ([210.118.77.11]:22317 "EHLO mailout1.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753932Ab1LGKcl (ORCPT ); Wed, 7 Dec 2011 05:32:41 -0500 Received: from euspt1 (mailout1.w1.samsung.com [210.118.77.11]) by mailout1.w1.samsung.com (iPlanet Messaging Server 5.2 Patch 2 (built Jul 14 2004)) with ESMTP id <0LVT00CV0XAF4R@mailout1.w1.samsung.com> for linux-media@vger.kernel.org; Wed, 07 Dec 2011 10:32:39 +0000 (GMT) Received: from linux.samsung.com ([106.116.38.10]) by spt1.w1.samsung.com (iPlanet Messaging Server 5.2 Patch 2 (built Jul 14 2004)) with ESMTPA id <0LVT001T8XAEZN@spt1.w1.samsung.com> for linux-media@vger.kernel.org; Wed, 07 Dec 2011 10:32:39 +0000 (GMT) Date: Wed, 07 Dec 2011 11:32:38 +0100 From: Sylwester Nawrocki Subject: Re: [RFC/PATCH 0/5] v4l: New camera controls In-reply-to: <201112061334.45936.laurent.pinchart@ideasonboard.com> To: Laurent Pinchart Cc: linux-media@vger.kernel.org, sakari.ailus@iki.fi, hverkuil@xs4all.nl, riverful.kim@samsung.com Message-id: <4EDF40C6.3010900@samsung.com> MIME-version: 1.0 Content-type: text/plain; charset=ISO-8859-15 Content-transfer-encoding: 7BIT References: <1323011776-15967-1-git-send-email-snjw23@gmail.com> <201112061334.45936.laurent.pinchart@ideasonboard.com> Sender: linux-media-owner@vger.kernel.org List-ID: Hi Laurent, On 12/06/2011 01:34 PM, Laurent Pinchart wrote: > On Sunday 04 December 2011 16:16:11 Sylwester Nawrocki wrote: >> Hi All, >> >> I put some effort in preparing a documentation for a couple of new controls >> in the camera control class. It's a preeliminary work, it's mainly just >> documentation. There is yet no patches for any driver using these controls. >> I just wanted to get some possible feedback on them, if this sort of stuff >> is welcome and what might need to be done differently. > > Thanks for the patches. > > Regarding patches 3/5, 4/5 and 5/5, we should perhaps try to brainstorm this a > bit. There's more to exposure setting than just those controls, maybe it's > time to think about a proper exposure API. We could start by gathering > requirements on the list, and maybe have an IRC meeting if needed. Certainly the existing support for exposure setting in V4L2 is not sufficient even for mobile camera control. I'll try to prepare a list of requirements. It would be great to have a brainstorming session with more people experienced in this field. Regards, -- Sylwester Nawrocki Samsung Poland R&D Center