From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from perceval.ideasonboard.com ([95.142.166.194]:56636 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753751Ab1L1N4q (ORCPT ); Wed, 28 Dec 2011 08:56:46 -0500 From: Laurent Pinchart To: "HeungJun, Kim" Subject: Re: [RFC PATCH 3/4] v4l: Add V4L2_CID_WDR button control Date: Wed, 28 Dec 2011 14:56:49 +0100 Cc: linux-media@vger.kernel.org, mchehab@redhat.com, hverkuil@xs4all.nl, sakari.ailus@iki.fi, s.nawrocki@samsung.com, kyungmin.park@samsung.com References: <1325053428-2626-1-git-send-email-riverful.kim@samsung.com> <1325053428-2626-4-git-send-email-riverful.kim@samsung.com> In-Reply-To: <1325053428-2626-4-git-send-email-riverful.kim@samsung.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Message-Id: <201112281456.51024.laurent.pinchart@ideasonboard.com> Sender: linux-media-owner@vger.kernel.org List-ID: hi, On Wednesday 28 December 2011 07:23:47 HeungJun, Kim wrote: > It adds the new CID for setting White Balance Preset. This CID is provided I suppose you mean wide dynamic range here. > as button type. This can commands only if the camera turn on/off this > function. Shouldn't it be a boolean ? A button can only be activated, for one-shot auto- focus for instance. > Signed-off-by: HeungJun, Kim > Signed-off-by: Kyungmin Park > --- > Documentation/DocBook/media/v4l/controls.xml | 12 ++++++++++++ > drivers/media/video/v4l2-ctrls.c | 2 ++ > include/linux/videodev2.h | 2 ++ > 3 files changed, 16 insertions(+), 0 deletions(-) > > diff --git a/Documentation/DocBook/media/v4l/controls.xml > b/Documentation/DocBook/media/v4l/controls.xml index afe1845..bed6c66 > 100644 > --- a/Documentation/DocBook/media/v4l/controls.xml > +++ b/Documentation/DocBook/media/v4l/controls.xml > @@ -2958,6 +2958,18 @@ it one step further. This is a write-only > control. > > > + V4L2_CID_WDR > + button > + > + > + Wide Dynamic Range. It makes > + the image be more clear by adjusting the image's intensity > + of the illumination. This function can be provided according to > + the capability of the hardware(sensor or AP's multimedia block). > + > + > + > + > spanname="id">V4L2_CID_PRIVACY  > boolean > Prevent video from being acquired > diff --git a/drivers/media/video/v4l2-ctrls.c > b/drivers/media/video/v4l2-ctrls.c index fef58c2..66110bc 100644 > --- a/drivers/media/video/v4l2-ctrls.c > +++ b/drivers/media/video/v4l2-ctrls.c > @@ -598,6 +598,7 @@ const char *v4l2_ctrl_get_name(u32 id) > case V4L2_CID_IRIS_RELATIVE: return "Iris, Relative"; > case V4L2_CID_PRESET_WHITE_BALANCE: return "White Balance, Preset"; > case V4L2_CID_SCENEMODE: return "Scenemode"; > + case V4L2_CID_WDR: return "Wide Dynamic Range"; > > /* FM Radio Modulator control */ > /* Keep the order of the 'case's the same as in videodev2.h! */ > @@ -687,6 +688,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum > v4l2_ctrl_type *type, break; > case V4L2_CID_PAN_RESET: > case V4L2_CID_TILT_RESET: > + case V4L2_CID_WDR: > case V4L2_CID_FLASH_STROBE: > case V4L2_CID_FLASH_STROBE_STOP: > *type = V4L2_CTRL_TYPE_BUTTON; > diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h > index bc14feb..f85ad6c 100644 > --- a/include/linux/videodev2.h > +++ b/include/linux/videodev2.h > @@ -1646,6 +1646,8 @@ enum v4l2_scenemode { > V4L2_SCENEMODE_CANDLE = 14, > }; > > +#define V4L2_CID_WDR (V4L2_CID_CAMERA_CLASS_BASE+21) > + > /* FM Modulator class control IDs */ > #define V4L2_CID_FM_TX_CLASS_BASE (V4L2_CTRL_CLASS_FM_TX | 0x900) > #define V4L2_CID_FM_TX_CLASS (V4L2_CTRL_CLASS_FM_TX | 1) -- Regards, Laurent Pinchart