linux-kernel - [PATCH 10/13] media: i2c: Add controls from fwnode to ov8865

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Message-Id: <20210722203407.3588046-11-djrscally@gmail.com>
Date:   Thu, 22 Jul 2021 21:34:04 +0100
From:   Daniel Scally <djrscally@...il.com>
To:     Daniel Scally <djrscally@...il.com>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Paul Kocialkowski <paul.kocialkowski@...tlin.com>,
        Ezequiel Garcia <ezequiel@...labora.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Yang Li <yang.lee@...ux.alibaba.com>,
        linux-media@...r.kernel.org (open list:MEDIA INPUT INFRASTRUCTURE
        (V4L/DVB)), linux-kernel@...r.kernel.org (open list)
Cc:     Yong Zhi <yong.zhi@...el.com>, Bingbu Cao <bingbu.cao@...el.com>,
        Tianshu Qiu <tian.shu.qiu@...el.com>,
        Colin Ian King <colin.king@...onical.com>,
        laurent.pinchart@...asonboard.com, kieran.bingham@...asonboard.com
Subject: [PATCH 10/13] media: i2c: Add controls from fwnode to ov8865

Add V4L2_CID_CAMERA_ORIENTATION and V4L2_CID_CAMERA_SENSOR_ROTATION
controls to the ov8865 driver by attempting to parse them from firmware.

Signed-off-by: Daniel Scally <djrscally@...il.com>
---
 drivers/media/i2c/ov8865.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/media/i2c/ov8865.c b/drivers/media/i2c/ov8865.c
index 941b0f94f249..4954808f5416 100644
--- a/drivers/media/i2c/ov8865.c
+++ b/drivers/media/i2c/ov8865.c
@@ -2513,6 +2513,7 @@ static int ov8865_ctrls_init(struct ov8865_sensor *sensor)
 	struct v4l2_ctrl_handler *handler = &ctrls->handler;
 	const struct v4l2_ctrl_ops *ops = &ov8865_ctrl_ops;
 	const struct ov8865_mode *mode = sensor->state.mode;
+	struct v4l2_fwnode_device_properties props;
 	unsigned int vblank_max, vblank_def;
 	unsigned int hblank;
 	int ret;
@@ -2575,6 +2576,15 @@ static int ov8865_ctrls_init(struct ov8865_sensor *sensor)
 		v4l2_ctrl_new_std(handler, NULL, V4L2_CID_PIXEL_RATE, 1,
 				  INT_MAX, 1, 1);
 
+	/* set properties from fwnode (e.g. rotation, orientation) */
+	ret = v4l2_fwnode_device_parse(sensor->dev, &props);
+	if (ret)
+		goto error_ctrls;
+
+	ret = v4l2_ctrl_new_fwnode_properties(handler, ops, &props);
+	if (ret)
+		goto error_ctrls;
+
 	if (handler->error) {
 		ret = handler->error;
 		goto error_ctrls;
-- 
2.25.1