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[188.217.51.176]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-431182d78dcsm128161835e9.5.2024.10.14.10.38.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Oct 2024 10:38:42 -0700 (PDT) From: Tommaso Merciai To: Cc: sakari.ailus@linux.intel.com, laurent.pinchart@ideasonboard.com, tomm.merciai@gmail.com, Mauro Carvalho Chehab , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] media: i2c: ov5645: add HAS_EVENTS support Date: Mon, 14 Oct 2024 19:38:40 +0200 Message-Id: <20241014173840.412695-1-tomm.merciai@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Controls can be exposed to userspace via a v4l-subdevX device, and userspace has to be able to subscribe to control events so that it is notified when the control changes value. Add missing HAS_EVENTS support: flag and .(un)subscribe_event(). Signed-off-by: Tommaso Merciai --- drivers/media/i2c/ov5645.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c index 0c32bd2940ec..2c5145d5c616 100644 --- a/drivers/media/i2c/ov5645.c +++ b/drivers/media/i2c/ov5645.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include @@ -1034,6 +1035,11 @@ static const struct v4l2_subdev_video_ops ov5645_video_ops = { .s_stream = ov5645_s_stream, }; +static const struct v4l2_subdev_core_ops ov5645_subdev_core_ops = { + .subscribe_event = v4l2_ctrl_subdev_subscribe_event, + .unsubscribe_event = v4l2_event_subdev_unsubscribe, +}; + static const struct v4l2_subdev_pad_ops ov5645_subdev_pad_ops = { .enum_mbus_code = ov5645_enum_mbus_code, .enum_frame_size = ov5645_enum_frame_size, @@ -1043,6 +1049,7 @@ static const struct v4l2_subdev_pad_ops ov5645_subdev_pad_ops = { }; static const struct v4l2_subdev_ops ov5645_subdev_ops = { + .core = &ov5645_subdev_core_ops, .video = &ov5645_video_ops, .pad = &ov5645_subdev_pad_ops, }; @@ -1178,7 +1185,8 @@ static int ov5645_probe(struct i2c_client *client) v4l2_i2c_subdev_init(&ov5645->sd, client, &ov5645_subdev_ops); ov5645->sd.internal_ops = &ov5645_internal_ops; - ov5645->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + ov5645->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | + V4L2_SUBDEV_FL_HAS_EVENTS; ov5645->pad.flags = MEDIA_PAD_FL_SOURCE; ov5645->sd.dev = &client->dev; ov5645->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;