V4L/DVB (11870): gspca - main: VIDIOC_ENUM_FRAMESIZES ioctl added. (11c635a2) · Commits · 戴 / test

drivers/media/video/gspca/gspca.c

+27 −0

Original line number	Diff line number	Diff line
		@@ -863,6 +863,32 @@ out:
		return ret;
		}

		static int vidioc_enum_framesizes(struct file file, void priv,
		struct v4l2_frmsizeenum *fsize)
		{
		struct gspca_dev *gspca_dev = priv;
		int i;
		__u32 index = 0;

		for (i = 0; i < gspca_dev->cam.nmodes; i++) {
		if (fsize->pixel_format !=
		gspca_dev->cam.cam_mode[i].pixelformat)
		continue;

		if (fsize->index == index) {
		fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
		fsize->discrete.width =
		gspca_dev->cam.cam_mode[i].width;
		fsize->discrete.height =
		gspca_dev->cam.cam_mode[i].height;
		return 0;
		}
		index++;
		}

		return -EINVAL;
		}

		static void gspca_release(struct video_device *vfd)
		{
		struct gspca_dev *gspca_dev = container_of(vfd, struct gspca_dev, vdev);
		@@ -1858,6 +1884,7 @@ static const struct v4l2_ioctl_ops dev_ioctl_ops = {
		.vidioc_g_parm = vidioc_g_parm,
		.vidioc_s_parm = vidioc_s_parm,
		.vidioc_s_std = vidioc_s_std,
		.vidioc_enum_framesizes = vidioc_enum_framesizes,
		#ifdef CONFIG_VIDEO_V4L1_COMPAT
		.vidiocgmbuf = vidiocgmbuf,
		#endif