diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/video/omap3isp/isppreview.c | 74 |
1 files changed, 54 insertions, 20 deletions
diff --git a/drivers/media/video/omap3isp/isppreview.c b/drivers/media/video/omap3isp/isppreview.c index 420b131282d8..cbc887010b28 100644 --- a/drivers/media/video/omap3isp/isppreview.c +++ b/drivers/media/video/omap3isp/isppreview.c @@ -1929,55 +1929,89 @@ static int preview_enum_frame_size(struct v4l2_subdev *sd, } /* - * preview_get_crop - Retrieve the crop rectangle on a pad + * preview_get_selection - Retrieve a selection rectangle on a pad * @sd: ISP preview V4L2 subdevice * @fh: V4L2 subdev file handle - * @crop: crop rectangle + * @sel: Selection rectangle + * + * The only supported rectangles are the crop rectangles on the sink pad. * * Return 0 on success or a negative error code otherwise. */ -static int preview_get_crop(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, - struct v4l2_subdev_crop *crop) +static int preview_get_selection(struct v4l2_subdev *sd, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_selection *sel) { struct isp_prev_device *prev = v4l2_get_subdevdata(sd); + struct v4l2_mbus_framefmt *format; + + if (sel->pad != PREV_PAD_SINK) + return -EINVAL; + + switch (sel->target) { + case V4L2_SUBDEV_SEL_TGT_CROP_BOUNDS: + sel->r.left = 0; + sel->r.top = 0; + sel->r.width = INT_MAX; + sel->r.height = INT_MAX; + + format = __preview_get_format(prev, fh, PREV_PAD_SINK, + sel->which); + preview_try_crop(prev, format, &sel->r); + break; + + case V4L2_SUBDEV_SEL_TGT_CROP_ACTUAL: + sel->r = *__preview_get_crop(prev, fh, sel->which); + break; - /* Cropping is only supported on the sink pad. */ - if (crop->pad != PREV_PAD_SINK) + default: return -EINVAL; + } - crop->rect = *__preview_get_crop(prev, fh, crop->which); return 0; } /* - * preview_set_crop - Retrieve the crop rectangle on a pad + * preview_set_selection - Set a selection rectangle on a pad * @sd: ISP preview V4L2 subdevice * @fh: V4L2 subdev file handle - * @crop: crop rectangle + * @sel: Selection rectangle + * + * The only supported rectangle is the actual crop rectangle on the sink pad. * * Return 0 on success or a negative error code otherwise. */ -static int preview_set_crop(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, - struct v4l2_subdev_crop *crop) +static int preview_set_selection(struct v4l2_subdev *sd, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_selection *sel) { struct isp_prev_device *prev = v4l2_get_subdevdata(sd); struct v4l2_mbus_framefmt *format; - /* Cropping is only supported on the sink pad. */ - if (crop->pad != PREV_PAD_SINK) + if (sel->target != V4L2_SUBDEV_SEL_TGT_CROP_ACTUAL || + sel->pad != PREV_PAD_SINK) return -EINVAL; /* The crop rectangle can't be changed while streaming. */ if (prev->state != ISP_PIPELINE_STREAM_STOPPED) return -EBUSY; - format = __preview_get_format(prev, fh, PREV_PAD_SINK, crop->which); - preview_try_crop(prev, format, &crop->rect); - *__preview_get_crop(prev, fh, crop->which) = crop->rect; + /* Modifying the crop rectangle always changes the format on the source + * pad. If the KEEP_CONFIG flag is set, just return the current crop + * rectangle. + */ + if (sel->flags & V4L2_SUBDEV_SEL_FLAG_KEEP_CONFIG) { + sel->r = *__preview_get_crop(prev, fh, sel->which); + return 0; + } + + format = __preview_get_format(prev, fh, PREV_PAD_SINK, sel->which); + preview_try_crop(prev, format, &sel->r); + *__preview_get_crop(prev, fh, sel->which) = sel->r; /* Update the source format. */ - format = __preview_get_format(prev, fh, PREV_PAD_SOURCE, crop->which); - preview_try_format(prev, fh, PREV_PAD_SOURCE, format, crop->which); + format = __preview_get_format(prev, fh, PREV_PAD_SOURCE, sel->which); + preview_try_format(prev, fh, PREV_PAD_SOURCE, format, sel->which); return 0; } @@ -2086,8 +2120,8 @@ static const struct v4l2_subdev_pad_ops preview_v4l2_pad_ops = { .enum_frame_size = preview_enum_frame_size, .get_fmt = preview_get_format, .set_fmt = preview_set_format, - .get_crop = preview_get_crop, - .set_crop = preview_set_crop, + .get_selection = preview_get_selection, + .set_selection = preview_set_selection, }; /* subdev operations */ |