Re: Another pwc bug :-(

ouch! stupid driver! do you think it can be fixed in some way ? maybe in  
msncam.tcl, do if $::pwc == 1, then  set new_value [expr $new_value << 1]   
or something...

KKRT

On Sat, 28 Jan 2006 11:39:51 -0500, Harry Vennik <htvennik@xxxxxxxxx>  
wrote:

> Hi,
>
> I think I found another pwc bug.
>
> When setting the brightness to new_value, it is really set to (new_value  
> >>
> 1). When setting contrast to new_value, it is actually set to (new_value  
> >>
> 2).
>
> Seems like pwc emulates a 0 - 255 range for both, while the actual range  
> is 0
> - 127 for brightness and 0 - 63 for contrast. The bug is that this  
> emulation
> is not complete: it is done only when setting an attribute. It gives the  
> real
> range when asked about it, and also doesn't convert back to the 0 - 255  
> range
> when we get the value :S
>
> Because of this, pwc users can set their brightness only in the range 0  
> - 63
> and contrast only in 0 - 16! (With latest cvs. Before today, things were  
> even
> worse. Setting it was hardly possible because the slider had a fixed 0 -
> 65535 range).
>
> Harry
>
>
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