linux-kernel - [PATCH 3/4] media: i2c: imx214: Read orientation and rotation from system firmware

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20231023-imx214-v1-3-b33f1bbd1fcf@apitzsch.eu>
Date:   Mon, 23 Oct 2023 23:47:52 +0200
From:   André Apitzsch <git@...tzsch.eu>
To:     Ricardo Ribalda <ribalda@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht,
        André Apitzsch <git@...tzsch.eu>
Subject: [PATCH 3/4] media: i2c: imx214: Read orientation and rotation from
 system firmware

Obtain rotation and orientation information from system firmware and
register the appropriate controls.

Signed-off-by: André Apitzsch <git@...tzsch.eu>
---
 drivers/media/i2c/imx214.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/media/i2c/imx214.c b/drivers/media/i2c/imx214.c
index 554fc4733128..bef8dc36e2d0 100644
--- a/drivers/media/i2c/imx214.c
+++ b/drivers/media/i2c/imx214.c
@@ -704,9 +704,14 @@ static int imx214_ctrls_init(struct imx214 *imx214)
 		.width = 1120,
 		.height = 1120,
 	};
+	struct v4l2_fwnode_device_properties props;
 	struct v4l2_ctrl_handler *ctrl_hdlr;
 	int ret;
 
+	ret = v4l2_fwnode_device_parse(imx214->dev, &props);
+	if (ret < 0)
+		return ret;
+
 	ctrl_hdlr = &imx214->ctrls;
 	ret = v4l2_ctrl_handler_init(&imx214->ctrls, 3);
 	if (ret)
@@ -746,6 +751,8 @@ static int imx214_ctrls_init(struct imx214 *imx214)
 				V4L2_CID_UNIT_CELL_SIZE,
 				v4l2_ctrl_ptr_create((void *)&unit_size));
 
+	v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &imx214_ctrl_ops, &props);
+
 	ret = ctrl_hdlr->error;
 	if (ret) {
 		v4l2_ctrl_handler_free(ctrl_hdlr);

-- 
2.42.0