iio: adc: xilinx: Fix VREFP scale · tjh.dev/kernel@00db4e5

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

iio: adc: xilinx: Fix VREFP scale

The scaling factor for VREFP is 3.0/4096, not 1.0/4096; fix this to get
correct readings.

Signed-off-by: Thomas Betker <thomas.betker@rohde-schwarz.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

authored by

Thomas Betker and committed by

Jonathan Cameron 11 years ago 00db4e52 d6c96c42

1 changed file

expand all

drivers

iio

adc

xilinx-xadc-core.c

drivers/iio/adc/xilinx-xadc-core.c

··· 856 856 switch (chan->address) { 857 857 case XADC_REG_VCCINT: 858 858 case XADC_REG_VCCAUX: 859 + case XADC_REG_VREFP: 859 860 case XADC_REG_VCCBRAM: 860 861 case XADC_REG_VCCPINT: 861 862 case XADC_REG_VCCPAUX: