On Wed, Aug 06, 2014 at 02:45:44PM +0200, Gerhard Sittig wrote: > Could you spot the LCD driver mentioned by Mark? There are > displays that implement a typically four or optionally eight bit > data bus plus some three control lines (E/RW/RS), usually GPIO > bitbanged -- so in total it's 7 or 11 software controlled pins. > One of the controller chips is HD44780, compatibles have KS... > and SED... names. I think the users just stayed out of tree due to not being able to get stuff merged.
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