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media: staging: max96712: Store format in subdev active state

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Create and store the subdevice format in the subdevices active state.
This change do not have a huge effect on the driver as it do not yet
support changing the format.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Niklas Söderlund 2024-05-10 17:56:06 +02:00 committed by Hans Verkuil
parent 7d30b8efae
commit ce44dc1fea
1 changed files with 28 additions and 9 deletions
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37
drivers/staging/media/max96712/max96712.c
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@ -242,21 +242,34 @@ static const struct v4l2_subdev_video_ops max96712_video_ops = {
.s_stream = max96712_s_stream,
};
static int max96712_get_pad_format(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *format)
static int max96712_init_state(struct v4l2_subdev *sd,
struct v4l2_subdev_state *state)
{
format->format.width = 1920;
format->format.height = 1080;
format->format.code = MEDIA_BUS_FMT_RGB888_1X24;
format->format.field = V4L2_FIELD_NONE;
static const struct v4l2_mbus_framefmt default_fmt = {
.width = 1920,
.height = 1080,
.code = MEDIA_BUS_FMT_RGB888_1X24,
.colorspace = V4L2_COLORSPACE_SRGB,
.field = V4L2_FIELD_NONE,
.ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT,
.quantization = V4L2_QUANTIZATION_DEFAULT,
.xfer_func = V4L2_XFER_FUNC_DEFAULT,
};
struct v4l2_mbus_framefmt *fmt;
fmt = v4l2_subdev_state_get_format(state, 0);
*fmt = default_fmt;
return 0;
}
static const struct v4l2_subdev_internal_ops max96712_internal_ops = {
.init_state = max96712_init_state,
};
static const struct v4l2_subdev_pad_ops max96712_pad_ops = {
.get_fmt = max96712_get_pad_format,
.set_fmt = max96712_get_pad_format,
.get_fmt = v4l2_subdev_get_fmt,
.set_fmt = v4l2_subdev_get_fmt,
};
static const struct v4l2_subdev_ops max96712_subdev_ops = {
@ -293,6 +306,7 @@ static int max96712_v4l2_register(struct max96712_priv *priv)
long pixel_rate;
int ret;
priv->sd.internal_ops = &max96712_internal_ops;
v4l2_i2c_subdev_init(&priv->sd, priv->client, &max96712_subdev_ops);
priv->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
priv->sd.entity.function = MEDIA_ENT_F_VID_IF_BRIDGE;
@ -324,6 +338,11 @@ static int max96712_v4l2_register(struct max96712_priv *priv)
v4l2_set_subdevdata(&priv->sd, priv);
priv->sd.state_lock = priv->ctrl_handler.lock;
ret = v4l2_subdev_init_finalize(&priv->sd);
if (ret)
goto error;
ret = v4l2_async_register_subdev(&priv->sd);
if (ret < 0) {
dev_err(&priv->client->dev, "Unable to register subdevice\n");