linux-kernel - [PATCH 5/6] media: i2c: ov5670: Register controls from firmware

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Message-Id: <20190816141822.7582-6-jacopo@jmondi.org>
Date:   Fri, 16 Aug 2019 16:18:21 +0200
From:   Jacopo Mondi <jacopo@...ndi.org>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc:     Jacopo Mondi <jacopo@...ndi.org>,
        linux-media@...r.kernel.org (open list:MEDIA INPUT INFRASTRUCTURE
        (V4L/DVB)), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 5/6] media: i2c: ov5670: Register controls from firmware

Use the newly introduced helper to parse properties from firmware and
registerer the associated v4l2 control.

Signed-off-by: Jacopo Mondi <jacopo@...ndi.org>
---
 drivers/media/i2c/ov5670.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/media/i2c/ov5670.c b/drivers/media/i2c/ov5670.c
index 041fcbb4eebd..2bc57e85f721 100644
--- a/drivers/media/i2c/ov5670.c
+++ b/drivers/media/i2c/ov5670.c
@@ -7,6 +7,7 @@
 #include <linux/pm_runtime.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
+#include <media/v4l2-fwnode.h>
 
 #define OV5670_REG_CHIP_ID		0x300a
 #define OV5670_CHIP_ID			0x005670
@@ -2059,6 +2060,7 @@ static const struct v4l2_ctrl_ops ov5670_ctrl_ops = {
 /* Initialize control handlers */
 static int ov5670_init_controls(struct ov5670 *ov5670)
 {
+	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
 	struct v4l2_ctrl_handler *ctrl_hdlr;
 	s64 vblank_max;
 	s64 vblank_def;
@@ -2129,6 +2131,11 @@ static int ov5670_init_controls(struct ov5670 *ov5670)
 		goto error;
 	}
 
+	ret = v4l2_fwnode_register_controls(dev_fwnode(&client->dev),
+					    ctrl_hdlr, &ov5670_ctrl_ops);
+	if (ret)
+		goto error;
+
 	ov5670->sd.ctrl_handler = ctrl_hdlr;
 
 	return 0;
-- 
2.22.0