From patchwork Wed Jul 14 14:07:10 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 112005 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.4/8.14.3) with ESMTP id o6EE6fJs010560 for ; Wed, 14 Jul 2010 14:06:44 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757109Ab0GNOGY (ORCPT ); Wed, 14 Jul 2010 10:06:24 -0400 Received: from perceval.irobotique.be ([92.243.18.41]:52763 "EHLO perceval.irobotique.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756972Ab0GNOGJ (ORCPT ); Wed, 14 Jul 2010 10:06:09 -0400 Received: from localhost.localdomain (unknown [91.178.183.65]) by perceval.irobotique.be (Postfix) with ESMTPSA id 436E235FEC; Wed, 14 Jul 2010 14:06:05 +0000 (UTC) From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: sakari.ailus@maxwell.research.nokia.com Subject: [SAMPLE 08/12] v4l: subdev: Generic ioctl support Date: Wed, 14 Jul 2010 16:07:10 +0200 Message-Id: <1279116434-28278-9-git-send-email-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1279114219-27389-1-git-send-email-laurent.pinchart@ideasonboard.com> References: <1279114219-27389-1-git-send-email-laurent.pinchart@ideasonboard.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Wed, 14 Jul 2010 14:06:44 +0000 (UTC) diff --git a/Documentation/video4linux/v4l2-framework.txt b/Documentation/video4linux/v4l2-framework.txt index 76ecd43..b47adf2 100644 --- a/Documentation/video4linux/v4l2-framework.txt +++ b/Documentation/video4linux/v4l2-framework.txt @@ -401,6 +401,11 @@ VIDIOC_UNSUBSCRIBE_EVENT To properly support events, the poll() file operation is also implemented. +Private ioctls + + All ioctls not in the above list are passed directly to the sub-device + driver through the core::ioctl operation. + I2C sub-device drivers ---------------------- diff --git a/drivers/media/video/v4l2-subdev.c b/drivers/media/video/v4l2-subdev.c index ad4b95e..887cd88 100644 --- a/drivers/media/video/v4l2-subdev.c +++ b/drivers/media/video/v4l2-subdev.c @@ -257,7 +257,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) } default: - return -ENOIOCTLCMD; + return v4l2_subdev_call(sd, core, ioctl, cmd, arg); } return 0;