From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from ns.mm-sol.com ([37.157.136.199]:41332 "EHLO extserv.mm-sol.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753838AbeGENdX (ORCPT ); Thu, 5 Jul 2018 09:33:23 -0400 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 v2 33/34] media: camss: csid: Add support for events triggered by user controls Date: Thu, 5 Jul 2018 16:33:04 +0300 Message-Id: <1530797585-8555-34-git-send-email-todor.tomov@linaro.org> In-Reply-To: <1530797585-8555-1-git-send-email-todor.tomov@linaro.org> References: <1530797585-8555-1-git-send-email-todor.tomov@linaro.org> Sender: linux-media-owner@vger.kernel.org List-ID: Changing a user control value can trigger an event to other users. Add support for that. Signed-off-by: Todor Tomov --- 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); -- 2.7.4