Well, according to the vendor (TIS), the story is:
Gain is a linear value between 0 and 36 db, (register value of 0 = 0db gain, register value of 1023 = 36db gain).
Gamma is N/10 where N is the register value. i.e. register value 10 is gamma 1.0. This has me a bit confused, as it sure didn't look like gamma 1.0 when I was testing it the other night, but now I'll re-test it and make sure.
cheers, Bird
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