[En-Nut-Discussion] Fix in PhatVol

[Ole Reinhardt]

Hi Uwe,

Am 15.09.2014 15:14, schrieb Uwe Bonnes:
> Wouldn't it be clearer to use
>  *vol = 0
> instead of
>  dev->dev_dcb = 0;

No, it would not. Have a loog again :)

vol is a local copy of dev->dev_dcb.

So setting *vol to 0 is not the same as setting dev->dev_dcb to 0. And
setting vol to 0 would just set the local copy to null.

Bye,

Ole

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