From patchwork Thu Nov 25 02:54:32 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 355852 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id oAP2sVTi029522 for ; Thu, 25 Nov 2010 02:54:31 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756597Ab0KYCya (ORCPT ); Wed, 24 Nov 2010 21:54:30 -0500 Received: from perceval.ideasonboard.com ([95.142.166.194]:53694 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756544Ab0KYCy3 (ORCPT ); Wed, 24 Nov 2010 21:54:29 -0500 Received: from localhost.localdomain (unknown [91.178.68.191]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 2858035CCE; Thu, 25 Nov 2010 02:54:27 +0000 (UTC) From: Laurent Pinchart To: linux-omap@vger.kernel.org Cc: sakari.ailus@maxwell.research.nokia.com Subject: [RFC/PATCH v3 1/7] v4l: subdev: Generic ioctl support Date: Thu, 25 Nov 2010 03:54:32 +0100 Message-Id: <1290653678-15556-2-git-send-email-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 1.7.2.2 In-Reply-To: <1290653678-15556-1-git-send-email-laurent.pinchart@ideasonboard.com> References: <1290653678-15556-1-git-send-email-laurent.pinchart@ideasonboard.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Thu, 25 Nov 2010 02:54:31 +0000 (UTC) diff --git a/Documentation/video4linux/v4l2-framework.txt b/Documentation/video4linux/v4l2-framework.txt index d0fb880..1bb5f22 100644 --- a/Documentation/video4linux/v4l2-framework.txt +++ b/Documentation/video4linux/v4l2-framework.txt @@ -407,6 +407,11 @@ 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 438c70f..b57be91 100644 --- a/drivers/media/video/v4l2-subdev.c +++ b/drivers/media/video/v4l2-subdev.c @@ -267,7 +267,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) } #endif default: - return -ENOIOCTLCMD; + return v4l2_subdev_call(sd, core, ioctl, cmd, arg); } return 0;