From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mailout4.samsung.com ([203.254.224.34]:46389 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752828Ab1EYGvA (ORCPT ); Wed, 25 May 2011 02:51:00 -0400 MIME-version: 1.0 Content-transfer-encoding: 8BIT Content-type: text/plain; charset=UTF-8 Received: from epcpsbgm1.samsung.com (mailout4.samsung.com [203.254.224.34]) by mailout4.samsung.com (Oracle Communications Messaging Exchange Server 7u4-19.01 64bit (built Sep 7 2010)) with ESMTP id <0LLQ008VIOCPF170@mailout4.samsung.com> for linux-media@vger.kernel.org; Wed, 25 May 2011 15:50:59 +0900 (KST) Received: from TNRNDGASPAPP1.tn.corp.samsungelectronics.net ([165.213.149.150]) by mmp1.samsung.com (iPlanet Messaging Server 5.2 Patch 2 (built Jul 14 2004)) with ESMTPA id <0LLQ00IHKOCZKB@mmp1.samsung.com> for linux-media@vger.kernel.org; Wed, 25 May 2011 15:50:59 +0900 (KST) Date: Wed, 25 May 2011 15:50:58 +0900 From: "Kim, HeungJun" Subject: Re: I just wondering how to set shutter or aperture value in uvc driver. In-reply-to: <4DDCA67B.2060705@samsung.com> To: riverful.kim@samsung.com Cc: "linux-media@vger.kernel.org" , Laurent Pinchart Reply-to: riverful.kim@samsung.com Message-id: <4DDCA6D2.1050307@samsung.com> References: <4DDCA67B.2060705@samsung.com> List-ID: Sender: missing. sorry :) 2011-05-25 오후 3:49, Kim, HeungJun 쓴 글: > Hi Laurent, > > I try to add the more exposure methods of the M-5MOLS driver. Currently, > the only 2 exposure type are available in the M-5MOLS driver - > V4L2_EXPOSURE_AUTO, V4L2_EXPOSURE_MANUAL. But, the HW is capable to the HW is capable to shutter, aperture exposure value, of course auto exposure. > > So, I found the only UVC driver looks like using extra enumerations > V4L2_EXPOSURE_SHUTTER_PRIORITY, V4L2_EXPOSURE_APERTURE_PRIORITY. > But, I don't know how to set the each value in the each mode. > > The way pointed the specific value is only one - V4L2_CID_EXPOSURE_ABSOLUTE. > So, how can I set the specific value at the each mode? > > > Regards, > Heungjun Kim