On Mon February 4 2013 05:16:32 Huang Shijie wrote:
> 于 2013年01月31日 05:25, Hans Verkuil 写道:
> > From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
> >
> > The input and audio ioctls are only valid for video/vbi nodes.
>
> I remember that if you do not set these ioctrls, the mplayer will not works.
I have no problem with using mplayer for radio devices without those ioctls.
Regards,
Hans
>
> I can not download the mplayer in my home, so i can not test it.
> I will test it in my office.
>
> thanks
> Huang Shijie
>
> > Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
> > ---
> > drivers/media/usb/tlg2300/pd-radio.c | 27 ---------------------------
> > 1 file changed, 27 deletions(-)
> >
> > diff --git a/drivers/media/usb/tlg2300/pd-radio.c b/drivers/media/usb/tlg2300/pd-radio.c
> > index c4feffb..4c76e089 100644
> > --- a/drivers/media/usb/tlg2300/pd-radio.c
> > +++ b/drivers/media/usb/tlg2300/pd-radio.c
> > @@ -350,36 +350,9 @@ static int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *vt)
> > {
> > return vt->index > 0 ? -EINVAL : 0;
> > }
> > -static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *va)
> > -{
> > - return (va->index != 0) ? -EINVAL : 0;
> > -}
> > -
> > -static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
> > -{
> > - a->index = 0;
> > - a->mode = 0;
> > - a->capability = V4L2_AUDCAP_STEREO;
> > - strcpy(a->name, "Radio");
> > - return 0;
> > -}
> > -
> > -static int vidioc_s_input(struct file *filp, void *priv, u32 i)
> > -{
> > - return (i != 0) ? -EINVAL : 0;
> > -}
> > -
> > -static int vidioc_g_input(struct file *filp, void *priv, u32 *i)
> > -{
> > - return (*i != 0) ? -EINVAL : 0;
> > -}
> >
> > static const struct v4l2_ioctl_ops poseidon_fm_ioctl_ops = {
> > .vidioc_querycap = vidioc_querycap,
> > - .vidioc_g_audio = vidioc_g_audio,
> > - .vidioc_s_audio = vidioc_s_audio,
> > - .vidioc_g_input = vidioc_g_input,
> > - .vidioc_s_input = vidioc_s_input,
> > .vidioc_queryctrl = tlg_fm_vidioc_queryctrl,
> > .vidioc_querymenu = tlg_fm_vidioc_querymenu,
> > .vidioc_g_ctrl = tlg_fm_vidioc_g_ctrl,
>
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