From: Jan "Yenya" Kasprzak <kas@fi.muni.cz>
Date: Wed, 21 Nov 2012 22:07:17 +0000 (+0100)
Subject: adc: measure the offset of the gain-20 stage
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adc: measure the offset of the gain-20 stage

We measure the offset of the ADC1:ADC1 gain 20 stage and subtract it
from ADC0:ADC1 and ADC2:ADC1 differential readings.
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