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(parent: 421afe5) | patch
staging:iio:ad7793: Mark channels as unsigned
authorLars-Peter Clausen <lars@metafoo.de>
Fri, 10 Aug 2012 16:36:00 +0000 (17:36 +0100)
committerJonathan Cameron <jic23@kernel.org>
Thu, 16 Aug 2012 19:24:34 +0000 (20:24 +0100)
commite83539092c390c95e30b0d9e434709f195340f80
tree56c354cffcc711f98c9c4ef04ed0f755143069e8tree | snapshot
parent421afe5805cbeda35097dc2ea36b9f6f077b4858commit | diff
staging:iio:ad7793: Mark channels as unsigned

The values reported by the AD7793 are unsigned.
In uniploar mode:
0x000000 is zeroscale
0xffffff is fullscale
In bipolar mode:
0x000000 is negative fullscale
0x800000 is zeroscale
0xffffff is positive fullscale

In bipolar mode there is a binary offset, but the values are still unsigned.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
drivers/staging/iio/adc/ad7793.c diff | blob | history
Domain: System / Kernel;