Setting proper sharpness on Dell 2408WFP

The Dell UltraSharp 2408WFP monitor revision A00 has a very unfortunate characteristic of not allowing you to set the Sharpness setting to neutral; it can only be set to a little too soft, or a little too sharp. Fortunately there is a tool in Linux called DDCcontrol that allows you to change it:

modprobe i2c-dev
ddccontrol -r 0x8c -w 12 dev:/dev/i2c-0

For me, setting the value of 12 at register 0x8c (Sharpness) seems to be just about neutral.