Re: Merging DRM and fbdev

[Jon Smirl <jonsmirl@gmail.com>]

Is there are device driver level interface defined for controlling
tuners? Or is this something that even needs to be done in a device
driver? With X on GL Xv will have to change form too.

On Sun, 3 Oct 2004 16:37:03 -0400 (EDT), Vladimir Dergachev
<volodya@mindspring.com> wrote:
> 
> 
> On Sun, 3 Oct 2004, Jon Smirl wrote:
> 
> > How is the tuner controlled? Is it a V4L insterface?
> 
> No, the tuner is controlled via Xserver Xv extension. No V4L interface is
> provided for tuner control.
> 
>                        best
> 
>                           Vladimir Dergachev
> 
> 
> 
> >
> >
> > On Sun, 3 Oct 2004 12:59:38 -0400 (EDT), Vladimir Dergachev
> > <volodya@mindspring.com> wrote:
> >> Jon, this is a common misconception - GATOS km module *does* provide a v4l
> >> interface.
> >>
> >> What is different is that the device configuration (like setting the tuner
> >> or encoding) is done by Xserver.
> >>
> >> All km does is check whether the card can supply a v4l stream and, if so,
> >> it provides it. This is little different from a webcam driver, especially
> >> if a webcam has its own on/off switch.
> >>
> >> The misconception arises from the fact that many v4l programs were only
> >> made to work with bt848 cards - they would *not* work with webcams any
> >> more than they would work with km.
> >>
> >>                                best
> >>
> >>                                  Vladimir Dergachev
> >>
> >>>
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> > Jon Smirl
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-- 
Jon Smirl
jonsmirl@gmail.com