[Lcdproc] picolcd 20x4 backlight

Stephen Crane jscrane at gmail.com
Wed Dec 29 14:20:37 UTC 2010

A FIXME in picolcd.c says: "Is 0x00 or 0xFF correct to turn backlight off?"

On my picolcd 20x4, it requires 0x00. According to this post,
this is also the case for picolcd 256x64.

I've attached a patch which corrects this.

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