return 0;
}
-/**
- * tvp514x_enum_fmt_cap() - V4L2 decoder interface handler for enum_fmt
- * @sd: pointer to standard V4L2 sub-device structure
- * @fmt: standard V4L2 VIDIOC_ENUM_FMT ioctl structure
- *
- * Implement the VIDIOC_ENUM_FMT ioctl to enumerate supported formats
- */
-static int
-tvp514x_enum_fmt_cap(struct v4l2_subdev *sd, struct v4l2_fmtdesc *fmt)
-{
- if (fmt == NULL || fmt->index)
- return -EINVAL;
-
- if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- /* only capture is supported */
- return -EINVAL;
-
- /* only one format */
- fmt->flags = 0;
- strlcpy(fmt->description, "8-bit UYVY 4:2:2 Format",
- sizeof(fmt->description));
- fmt->pixelformat = V4L2_PIX_FMT_UYVY;
- return 0;
-}
-
/**
* tvp514x_mbus_fmt_cap() - V4L2 decoder interface handler for try/s/g_mbus_fmt
* @sd: pointer to standard V4L2 sub-device structure
return 0;
}
-/**
- * tvp514x_fmt_cap() - V4L2 decoder interface handler for try/s/g_fmt
- * @sd: pointer to standard V4L2 sub-device structure
- * @f: pointer to standard V4L2 VIDIOC_TRY_FMT ioctl structure
- *
- * Implement the VIDIOC_TRY/S/G_FMT ioctl for the CAPTURE buffer type. This
- * ioctl is used to negotiate the image capture size and pixel format.
- */
-static int
-tvp514x_fmt_cap(struct v4l2_subdev *sd, struct v4l2_format *f)
-{
- struct tvp514x_decoder *decoder = to_decoder(sd);
- struct v4l2_pix_format *pix;
- enum tvp514x_std current_std;
-
- if (f == NULL)
- return -EINVAL;
-
- if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
-
- pix = &f->fmt.pix;
-
- /* Calculate height and width based on current standard */
- current_std = decoder->current_std;
-
- pix->pixelformat = V4L2_PIX_FMT_UYVY;
- pix->width = decoder->std_list[current_std].width;
- pix->height = decoder->std_list[current_std].height;
- pix->field = V4L2_FIELD_INTERLACED;
- pix->bytesperline = pix->width * 2;
- pix->sizeimage = pix->bytesperline * pix->height;
- pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
- pix->priv = 0;
-
- v4l2_dbg(1, debug, sd, "FMT: bytesperline - %d"
- "Width - %d, Height - %d\n",
- pix->bytesperline,
- pix->width, pix->height);
- return 0;
-}
-
/**
* tvp514x_g_parm() - V4L2 decoder interface handler for g_parm
* @sd: pointer to standard V4L2 sub-device structure
static const struct v4l2_subdev_video_ops tvp514x_video_ops = {
.s_routing = tvp514x_s_routing,
.querystd = tvp514x_querystd,
- .enum_fmt = tvp514x_enum_fmt_cap,
- .g_fmt = tvp514x_fmt_cap,
- .try_fmt = tvp514x_fmt_cap,
- .s_fmt = tvp514x_fmt_cap,
.enum_mbus_fmt = tvp514x_enum_mbus_fmt,
.g_mbus_fmt = tvp514x_mbus_fmt,
.try_mbus_fmt = tvp514x_mbus_fmt,