From patchwork Tue Jun 14 15:22:30 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans Verkuil X-Patchwork-Id: 879242 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.4) with ESMTP id p5EFN0C9018462 for ; Tue, 14 Jun 2011 15:23:29 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753192Ab1FNPW7 (ORCPT ); Tue, 14 Jun 2011 11:22:59 -0400 Received: from smtp-vbr6.xs4all.nl ([194.109.24.26]:3258 "EHLO smtp-vbr6.xs4all.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752990Ab1FNPWz (ORCPT ); Tue, 14 Jun 2011 11:22:55 -0400 Received: from tschai.lan (215.80-203-102.nextgentel.com [80.203.102.215]) (authenticated bits=0) by smtp-vbr6.xs4all.nl (8.13.8/8.13.8) with ESMTP id p5EFMhJq018212 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 14 Jun 2011 17:22:51 +0200 (CEST) (envelope-from hverkuil@xs4all.nl) From: Hans Verkuil To: linux-media@vger.kernel.org Cc: laurent.pinchart@ideasonboard.com, sakari.ailus@iki.fi, Hans Verkuil Subject: [RFCv1 PATCH 5/8] v4l2-ctrls: don't initially set CH_VALUE for write-only controls Date: Tue, 14 Jun 2011 17:22:30 +0200 Message-Id: <42c8e179d411e4b6290c20fddd707a96cd7549a8.1308063857.git.hans.verkuil@cisco.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1308064953-11156-1-git-send-email-hverkuil@xs4all.nl> References: <1308064953-11156-1-git-send-email-hverkuil@xs4all.nl> In-Reply-To: <3d92b242dcf5e7766d128d6c1f05c0bd837a2633.1308063857.git.hans.verkuil@cisco.com> References: <3d92b242dcf5e7766d128d6c1f05c0bd837a2633.1308063857.git.hans.verkuil@cisco.com> X-Virus-Scanned: by XS4ALL Virus Scanner 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-4.2.6 (demeter1.kernel.org [140.211.167.41]); Tue, 14 Jun 2011 15:23:29 +0000 (UTC) From: Hans Verkuil When sending the SEND_INITIAL event for write-only controls the V4L2_EVENT_CTRL_CH_VALUE flag should not be set. It's meaningless. Signed-off-by: Hans Verkuil --- drivers/media/video/v4l2-ctrls.c | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/media/video/v4l2-ctrls.c b/drivers/media/video/v4l2-ctrls.c index 63a44fd..1b0422e 100644 --- a/drivers/media/video/v4l2-ctrls.c +++ b/drivers/media/video/v4l2-ctrls.c @@ -2032,9 +2032,11 @@ void v4l2_ctrl_add_event(struct v4l2_ctrl *ctrl, if (ctrl->type != V4L2_CTRL_TYPE_CTRL_CLASS && (sev->flags & V4L2_EVENT_SUB_FL_SEND_INITIAL)) { struct v4l2_event ev; + u32 changes = V4L2_EVENT_CTRL_CH_FLAGS; - fill_event(&ev, ctrl, V4L2_EVENT_CTRL_CH_VALUE | - V4L2_EVENT_CTRL_CH_FLAGS); + if (!(ctrl->flags & V4L2_CTRL_FLAG_WRITE_ONLY)) + changes |= V4L2_EVENT_CTRL_CH_VALUE; + fill_event(&ev, ctrl, changes); v4l2_event_queue_fh(sev->fh, &ev); } v4l2_ctrl_unlock(ctrl);