[PATCH] fix-lcm-flicker.patch

[joerg]

Am Do  27. März 2008 schrieb Werner Almesberger:
> Andy Green wrote:
> > Select instead mode 4 which swaps on alternate lines and frames, so
> > we take advantage of EMI reduction but do not see the flicker.
> 
> I waited until dark, then tested it and got the following results:
> 
> - portrait mode: pressed on "+" and looked at what I got. It's nice
>   and stable. I can seen something resembling flicker when moving the
>   device or moving the eye, but that may also be an unrelated effect.
>   In any case, the image doesn't look deficient.
> 
> - landscape mode: I still see line flicker. Nothing like the horrors
>   we've had before, but something that's visible. That is, if I look
>   carefully and from nearby. If I put on my glasses (I'm near-sighted)
>   and hold the device at a distance where I can then see it without a
>   blur, I don't notice any flicker anymore.
> 
> I tried setting JBT_REG_ASW_SLEW to 0 and to 1, and the line flicker
> didn't go away. So I'd say your solution is as good as it gets, and
> it seems to be quite sufficient for real-life use.
> 
> Congratulations on fixing that bugger !

Great job! Amazing how far we can get with a few datasheet pages available ;-)

jOERG