Re: s5h1411_readreg: readreg error (ret == -5)

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Well now I feel like an idiot.  Thanks for pointing that out in my own 
code :-)

Still digging through this.

  -Mike


On Fri, 12 Jun 2009, Andy Walls wrote:

> On Fri, 2009-06-12 at 15:33 -0500, Mike Isely wrote:
> > I am unable to reproduce the s5h1411 error here.
> > 
> > However my HVR-1950 loads the s5h1409 module - NOT s5h1411.ko; I wonder 
> > if Hauppauge has changed chips on newer devices and so you're running a 
> > different tuner module.
> 
> The digital demodulator driver to use is hardcoded in pvrusb2-devattr.c:
> 
> static const struct pvr2_dvb_props pvr2_750xx_dvb_props = {
>         .frontend_attach = pvr2_s5h1409_attach,
>         .tuner_attach    = pvr2_tda18271_8295_attach,
> };
> 
> static const struct pvr2_dvb_props pvr2_751xx_dvb_props = {
>         .frontend_attach = pvr2_s5h1411_attach,
>         .tuner_attach    = pvr2_tda18271_8295_attach,
> };
> ...
> static const struct pvr2_device_desc pvr2_device_750xx = {
>                 .description = "WinTV HVR-1950 Model Category 750xx",
> ...
>                 .dvb_props = &pvr2_750xx_dvb_props,
> #endif
> };
> ...
> static const struct pvr2_device_desc pvr2_device_751xx = {
>                 .description = "WinTV HVR-1950 Model Category 751xx",
> ...
>                 .dvb_props = &pvr2_751xx_dvb_props,
> #endif
> };
> 
> 
> >   That would explain the different behavior.  
> > Unfortunately it also means it will be very difficult for me to track 
> > the problem down here since I don't have that device variant.
> 
> If you have more than 1 HVR-1950, maybe one is a 751xx variant.
> 
> When I ran into I2C errors often, it was because of PCI bus errors
> screwing up the bit banging.  Obviously, that's not the case here.
> 
> -Andy
> 
> >   -Mike
> 
> 
> 

-- 

Mike Isely
isely @ isely (dot) net
PGP: 03 54 43 4D 75 E5 CC 92 71 16 01 E2 B5 F5 C1 E8
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