于 2013年01月31日 05:25, Hans Verkuil 写道:
> From: Hans Verkuil <hans.verk...@cisco.com>
>
> Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
> ---
>  drivers/media/usb/tlg2300/pd-radio.c |    7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/media/usb/tlg2300/pd-radio.c 
> b/drivers/media/usb/tlg2300/pd-radio.c
> index 854ffa0..80307d3 100644
> --- a/drivers/media/usb/tlg2300/pd-radio.c
> +++ b/drivers/media/usb/tlg2300/pd-radio.c
> @@ -147,7 +147,12 @@ static int vidioc_querycap(struct file *file, void *priv,
>       strlcpy(v->driver, "tele-radio", sizeof(v->driver));
>       strlcpy(v->card, "Telegent Poseidon", sizeof(v->card));
>       usb_make_path(p->udev, v->bus_info, sizeof(v->bus_info));
> -     v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
> +     v->device_caps = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
> +     /* Report all capabilities of the USB device */
> +     v->capabilities = v->device_caps | V4L2_CAP_DEVICE_CAPS |
> +                     V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VBI_CAPTURE |
why add these video/vbi capabilities?

> +                     V4L2_CAP_AUDIO | V4L2_CAP_STREAMING 
> +                     V4L2_CAP_READWRITE;
>       return 0;
>  }
>  

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