mfd: Calibrate ab8500 gpadc using OTP values

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The GPADC found in the AB8500 needs to be calibrated to work
properly. This is done by writing a number of special OTP
(one-time-programmable) registers at production. This patch
makes sure that these values are used to calibrate the returned
value from the GPADC so that it is correct.

Signed-off-by: Johan Palsson <johan.palsson@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

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Johan Palsson 2011-03-05 11:46:37 +01:00 • committed by Samuel Ortiz

parent 633e0fa590

commit 586f3318ad

1 changed files with 281 additions and 5 deletions

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drivers/mfd/ab8500-gpadc.c

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