From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753887AbbHUJbX (ORCPT ); Fri, 21 Aug 2015 05:31:23 -0400 Received: from mail-lb0-f178.google.com ([209.85.217.178]:33315 "EHLO mail-lb0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753706AbbHUJaB (ORCPT ); Fri, 21 Aug 2015 05:30:01 -0400 From: Ricardo Ribalda Delgado To: Mauro Carvalho Chehab , Mike Isely , Laurent Pinchart , Hans Verkuil , Steven Toth , Sakari Ailus , Vincent Palatin , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Ricardo Ribalda Delgado Subject: [PATCH 8/8] Docbook: media: Document changes on struct v4l2_ext_controls Date: Fri, 21 Aug 2015 11:29:46 +0200 Message-Id: <1440149386-19783-9-git-send-email-ricardo.ribalda@gmail.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1440149386-19783-1-git-send-email-ricardo.ribalda@gmail.com> References: <1440149386-19783-1-git-send-email-ricardo.ribalda@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Vidioc-g-ext-ctrls can now be used to get the default value of the controls. Signed-off-by: Ricardo Ribalda Delgado --- Documentation/DocBook/media/v4l/v4l2.xml | 9 +++++++++ Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml | 14 ++++++++++++++ 2 files changed, 23 insertions(+) diff --git a/Documentation/DocBook/media/v4l/v4l2.xml b/Documentation/DocBook/media/v4l/v4l2.xml index e98caa1c39bd..be52bd2fb335 100644 --- a/Documentation/DocBook/media/v4l/v4l2.xml +++ b/Documentation/DocBook/media/v4l/v4l2.xml @@ -153,6 +153,15 @@ structs, ioctls) must be noted in more detail in the history chapter applications. --> + 4.4 + 2015-08-20 + rr + Extend vidioc-g-ext-ctrls;. Replace ctrl_class with a new +union with ctrl_class and which. Which is used to select the current value of +the control or the default value. + + + 3.21 2015-02-13 mcc diff --git a/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml b/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml index c5bdbfcc42b3..224fa2bd1481 100644 --- a/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml +++ b/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml @@ -216,7 +216,12 @@ Valid if V4L2_CTRL_FLAG_HAS_PAYLOAD is set for this control &cs-str; + + union + (anonymous) + + __u32 ctrl_class The control class to which all controls belong, see @@ -228,6 +233,15 @@ with a count of 0. If that succeeds, then the driver supports this feature. + + __u32 + which + Which control are get/set/tried. V4L2_CTRL_WHICH_CUR_VAL +will return the current value of the control and V4L2_CTRL_WHICH_DEF_VAL will +return the default value of the control. Please note that the default value of the control cannot +be set or tried, only get. + + __u32 count The number of controls in the controls array. May -- 2.5.0