Re: Patch: xawtv-3.30: avoid radio tuner lockup

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Alan Cox wrote:
> 
> > Radio will stil let you tune to lock-up frequencies (e.g. "g 0")!
> > The right thing would be to differentiate normal (fool-proof)
> > and expert mode.
> 
> Is this locking the xawtv or the kernel driver/hardware tuner. If the latter
> the kernel should be doing the check.

I assume this drives the hardware itself crazy.
FM1216 specs say FM:87.50 - 108.00 MHz (TV:48.25 - 855.25MHz).

So this would exclude tuning to japanse radio (76.00 - 89.9MHz,
according to bttv-driver.c) if you follow specs (not that I
would have done this yet). Probably other contries have varying
FM ranges too.

Neither set_tv_freq nor set_radio_freq sanitize-check the values
against limits !

Gunther





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