From patchwork Mon Jul 23 11:02:51 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Todor Tomov X-Patchwork-Id: 10539917 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5F23414BC for ; Mon, 23 Jul 2018 11:04:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 50393285DD for ; Mon, 23 Jul 2018 11:04:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 44D61285E2; Mon, 23 Jul 2018 11:04:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E7381285DD for ; Mon, 23 Jul 2018 11:04:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388284AbeGWMEt (ORCPT ); Mon, 23 Jul 2018 08:04:49 -0400 Received: from ns.mm-sol.com ([37.157.136.199]:39958 "EHLO extserv.mm-sol.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388179AbeGWMEs (ORCPT ); Mon, 23 Jul 2018 08:04:48 -0400 Received: from mms-0439.qualcomm.mm-sol.com (unknown [37.157.136.206]) by extserv.mm-sol.com (Postfix) with ESMTPSA id 42979CD71; Mon, 23 Jul 2018 14:04:03 +0300 (EEST) From: Todor Tomov To: mchehab@kernel.org, sakari.ailus@linux.intel.com, hans.verkuil@cisco.com, laurent.pinchart+renesas@ideasonboard.com, linux-media@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Todor Tomov Subject: [PATCH v3 34/35] media: camss: csid: Add support for events triggered by user controls Date: Mon, 23 Jul 2018 14:02:51 +0300 Message-Id: <1532343772-27382-35-git-send-email-todor.tomov@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1532343772-27382-1-git-send-email-todor.tomov@linaro.org> References: <1532343772-27382-1-git-send-email-todor.tomov@linaro.org> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Changing a user control value can trigger an event to other users. Add support for that. Signed-off-by: Todor Tomov Acked-by: Sakari Ailus --- drivers/media/platform/qcom/camss/camss-csid.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/qcom/camss/camss-csid.c b/drivers/media/platform/qcom/camss/camss-csid.c index a581377..b50eb96 100644 --- a/drivers/media/platform/qcom/camss/camss-csid.c +++ b/drivers/media/platform/qcom/camss/camss-csid.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include "camss-csid.h" @@ -1266,6 +1267,8 @@ static int csid_link_setup(struct media_entity *entity, static const struct v4l2_subdev_core_ops csid_core_ops = { .s_power = csid_set_power, + .subscribe_event = v4l2_ctrl_subdev_subscribe_event, + .unsubscribe_event = v4l2_event_subdev_unsubscribe, }; static const struct v4l2_subdev_video_ops csid_video_ops = { @@ -1311,7 +1314,8 @@ int msm_csid_register_entity(struct csid_device *csid, v4l2_subdev_init(sd, &csid_v4l2_ops); sd->internal_ops = &csid_v4l2_internal_ops; - sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | + V4L2_SUBDEV_FL_HAS_EVENTS; snprintf(sd->name, ARRAY_SIZE(sd->name), "%s%d", MSM_CSID_NAME, csid->id); v4l2_set_subdevdata(sd, csid);