Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
From:   Ricardo Ribalda <ribalda@chromium.org>
To:     Mauro Carvalho Chehab <mchehab@kernel.org>,
        Yong Zhi <yong.zhi@intel.com>,
        Bingbu Cao <bingbu.cao@intel.com>, linux-media@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com>,
        Sakari Ailus <sakari.ailus@linux.intel.com>
Cc:     Ricardo Ribalda <ribalda@chromium.org>
Subject: [PATCH v4 7/8] media: ov13858: Add implementation for events
Date:   Thu,  7 Oct 2021 00:26:24 +0200
Message-Id: <20211006222625.401122-8-ribalda@chromium.org>
In-Reply-To: <20211006222625.401122-1-ribalda@chromium.org>
References: <20211006222625.401122-1-ribalda@chromium.org>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

Use v4l2 control API helpers to support the events.

Fixes v4l2-compliance:

test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: FAIL

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
 drivers/media/i2c/ov13858.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/media/i2c/ov13858.c b/drivers/media/i2c/ov13858.c
index 7fc70af53e45..b4d22f5d9933 100644
--- a/drivers/media/i2c/ov13858.c
+++ b/drivers/media/i2c/ov13858.c
@@ -7,6 +7,7 @@
 #include <linux/pm_runtime.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
+#include <media/v4l2-event.h>
 #include <media/v4l2-fwnode.h>
 
 #define OV13858_REG_VALUE_08BIT		1
@@ -1553,6 +1554,12 @@ static int ov13858_identify_module(struct ov13858 *ov13858)
 	return 0;
 }
 
+static const struct v4l2_subdev_core_ops ov13858_core_ops = {
+	.log_status = v4l2_ctrl_subdev_log_status,
+	.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
+	.unsubscribe_event = v4l2_event_subdev_unsubscribe,
+};
+
 static const struct v4l2_subdev_video_ops ov13858_video_ops = {
 	.s_stream = ov13858_set_stream,
 };
@@ -1569,6 +1576,7 @@ static const struct v4l2_subdev_sensor_ops ov13858_sensor_ops = {
 };
 
 static const struct v4l2_subdev_ops ov13858_subdev_ops = {
+	.core = &ov13858_core_ops,
 	.video = &ov13858_video_ops,
 	.pad = &ov13858_pad_ops,
 	.sensor = &ov13858_sensor_ops,
@@ -1724,7 +1732,8 @@ static int ov13858_probe(struct i2c_client *client,
 
 	/* Initialize subdev */
 	ov13858->sd.internal_ops = &ov13858_internal_ops;
-	ov13858->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
+	ov13858->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
+			     V4L2_SUBDEV_FL_HAS_EVENTS;
 	ov13858->sd.entity.ops = &ov13858_subdev_entity_ops;
 	ov13858->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
 
-- 
2.33.0.800.g4c38ced690-goog