On Mon, Mar 13, 2006 at 04:15:18PM -0500, Hans Verkuil wrote:
> On Monday 13 March 2006 22:06, John Clabaugh wrote:
> > On 3/13/06, Hans Verkuil <[EMAIL PROTECTED]> wrote:
> > > On Monday 13 March 2006 21:04, Robert Suijker wrote:
> > > > >Several people reported problems with the saturation of the
> > > > > PVR150/500
> > > >
> > > > cards. Please try the following command:
> > > > >ivtvctl -g reg=0x401,val=0xe0
> > > > >
> > > > >You have to be root to run this command and you may have to pass
> > > > > the -d
> > > >
> > > > /dev/videoX option if your card is not >/dev/video0. You also
> > > > have to run that command twice for the PVR500, once for each
> > > > unit.
> > > >
> > > > >Chroma was handled badly for the tuner and composite inputs,
> > > > > this should
> > > >
> > > > fix it. The bits that are set by this command
> > > >
> > > > >used to be present in old ivtv releases but they were dropped
> > > > > for no
> > > >
> > > > apparent reason during a rewrite of the cx25840
> > > >
> > > > >module somewhere around 0.3.2.
> > > > >
> > > > >Please test and report whether this fixes the saturation issues.
> > > > >
> > > > >     Hans
> > > >
> > > > I've tried the following command:
> > > >       ivtvctl -d /dev/video0 -g reg=0x401,val=0xe0
> > > >
> > > > But I get:
> > > >       ioctl IVTV_IOC_S_DECODER_REG failed: Invalid argument
> > > >
> > > > I'm running 0.4.3.
> > >
> > > I'm guessing that your ivtvctl is from an older version. If you run
> > > ivtvctl --version, then the reported version should be 0.4.3.
> > >
> > >        Hans
> > >
> > > _______________________________________________
> > > ivtv-devel mailing list
> > > [email protected]
> > > http://ivtvdriver.org/mailman/listinfo/ivtv-devel
> >
> > Mine returns the same error.  I'm using 0.4.3 from ATrpms.
> >
> > # ivtvctl --version
> > ivtvctl version 0.4.3 (tagged release)
> 
> Oh, there is one other possibility: are you using kernel 2.6.15 with the 
> kernel-supplied cx25840 module? In that case you much replace it with 
> the cx24850 from ivtv. The kernel option to enable the register setting 
> support never made it into 2.6.15 (it's in 2.6.16 though) so you cannot 
> use the -g option with the kernel's cx25840.
> 
> I hope that's it, otherwise I'm running out of ideas :-)

The other thing would be to use cx25840ctl to do that.  It would
require knowing the register name though.
-- 
Tyler Trafford

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