openwrt/target/linux/brcm2708/patches-4.19/950-0186-media-ov5647-Add-set_fmt-and-get_fmt-calls.patch

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From 7ee204d064e56592409ea3ff7ba930a00fe51a0f Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
Date: Wed, 31 Oct 2018 14:55:37 +0000
Subject: [PATCH 186/703] media: ov5647: Add set_fmt and get_fmt calls.
There's no way to query the subdevice for the supported
resolutions.
Add set_fmt and get_fmt implementations.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
---
drivers/media/i2c/ov5647.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
--- a/drivers/media/i2c/ov5647.c
+++ b/drivers/media/i2c/ov5647.c
@@ -463,8 +463,30 @@ static int ov5647_enum_mbus_code(struct
return 0;
}
+static int ov5647_set_get_fmt(struct v4l2_subdev *sd,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_format *format)
+{
+ struct v4l2_mbus_framefmt *fmt = &format->format;
+
+ if (format->pad != 0)
+ return -EINVAL;
+
+ /* Only one format is supported, so return that */
+ memset(fmt, 0, sizeof(*fmt));
+ fmt->code = MEDIA_BUS_FMT_SBGGR8_1X8;
+ fmt->colorspace = V4L2_COLORSPACE_SRGB;
+ fmt->field = V4L2_FIELD_NONE;
+ fmt->width = 640;
+ fmt->height = 480;
+
+ return 0;
+}
+
static const struct v4l2_subdev_pad_ops ov5647_subdev_pad_ops = {
.enum_mbus_code = ov5647_enum_mbus_code,
+ .set_fmt = ov5647_set_get_fmt,
+ .get_fmt = ov5647_set_get_fmt,
};
static const struct v4l2_subdev_ops ov5647_subdev_ops = {