linux-kernel - [PATCH v2] media: rcar-vin: add G/S

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Message-Id: <20210924135138.29950-1-nikita.yoush@cogentembedded.com>
Date:   Fri, 24 Sep 2021 16:51:38 +0300
From:   Nikita Yushchenko <nikita.yoush@...entembedded.com>
To:     Niklas Söderlund <niklas.soderlund@...natech.se>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     linux-media@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Vladimir Barinov <vladimir.barinov@...entembedded.com>,
        Nikita Yushchenko <nikita.yoush@...entembedded.com>
Subject: [PATCH v2] media: rcar-vin: add G/S_PARM ioctls

From: Vladimir Barinov <vladimir.barinov@...entembedded.com>

This adds g/s_parm ioctls for parallel interface.

Signed-off-by: Vladimir Barinov <vladimir.barinov@...entembedded.com>
Signed-off-by: Nikita Yushchenko <nikita.yoush@...entembedded.com>
---
Changes from v1:
- use &vin->vdev to access vin's struct video_device

 drivers/media/platform/rcar-vin/rcar-v4l2.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c b/drivers/media/platform/rcar-vin/rcar-v4l2.c
index bdeff51bf768..a5bfa76fdac6 100644
--- a/drivers/media/platform/rcar-vin/rcar-v4l2.c
+++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c
@@ -527,6 +527,24 @@ static int rvin_s_selection(struct file *file, void *fh,
 	return 0;
 }
 
+static int rvin_g_parm(struct file *file, void *priv,
+		       struct v4l2_streamparm *parm)
+{
+	struct rvin_dev *vin = video_drvdata(file);
+	struct v4l2_subdev *sd = vin_to_source(vin);
+
+	return v4l2_g_parm_cap(&vin->vdev, sd, parm);
+}
+
+static int rvin_s_parm(struct file *file, void *priv,
+		       struct v4l2_streamparm *parm)
+{
+	struct rvin_dev *vin = video_drvdata(file);
+	struct v4l2_subdev *sd = vin_to_source(vin);
+
+	return v4l2_s_parm_cap(&vin->vdev, sd, parm);
+}
+
 static int rvin_g_pixelaspect(struct file *file, void *priv,
 			      int type, struct v4l2_fract *f)
 {
@@ -743,6 +761,9 @@ static const struct v4l2_ioctl_ops rvin_ioctl_ops = {
 	.vidioc_g_selection		= rvin_g_selection,
 	.vidioc_s_selection		= rvin_s_selection,
 
+	.vidioc_g_parm			= rvin_g_parm,
+	.vidioc_s_parm			= rvin_s_parm,
+
 	.vidioc_g_pixelaspect		= rvin_g_pixelaspect,
 
 	.vidioc_enum_input		= rvin_enum_input,
-- 
2.30.2