[libcamera-devel,05/25] media: ov5647: Add set_fmt and get_fmt calls.
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Message ID 20200622171910.608894-6-jacopo@jmondi.org
State Superseded
Headers show
Series
  • media: ov5647: Support RaspberryPi Camera Module v1
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Commit Message

Jacopo Mondi June 22, 2020, 5:18 p.m. UTC 
From: Dave Stevenson <dave.stevenson@raspberrypi.org>

There's no way to query the subdevice for the supported
resolutions. Add set_fmt and get_fmt implementations. Since there's
only one format supported set_fmt does nothing and get returns single
format.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
Signed-off-by: Roman Kovalivskyi <roman.kovalivskyi@globallogic.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
---
 drivers/media/i2c/ov5647.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

Patch
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diff --git a/drivers/media/i2c/ov5647.c b/drivers/media/i2c/ov5647.c
index 2d69cd97142d7..43fecf0ca58f3 100644
--- a/drivers/media/i2c/ov5647.c
+++ b/drivers/media/i2c/ov5647.c
@@ -487,8 +487,27 @@  static int ov5647_enum_mbus_code(struct v4l2_subdev *sd,
 	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;
+
+	/* 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 = {