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Commit a57f8dac authored by Thomas Betker's avatar Thomas Betker Committed by Jonathan Cameron
Browse files

iio: adc: xilinx: Fix VREFN scale 



The scaling factor for VREFN is 3.0/4096 (not 1.0/4096), just as for
VREFP. This is not immediately obvious from the specification (Xilinx
UG480), but has been confirmed by Xilinx support.

Suggested-by: default avatarHartmut Knaack <knaack.h@gmx.de>
Signed-off-by: default avatarThomas Betker <thomas.betker@rohde-schwarz.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 0d2f6fd3

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

+1 −0
Original line number Diff line number Diff line
@@ -857,6 +857,7 @@ static int xadc_read_raw(struct iio_dev *indio_dev, 
			case XADC_REG_VCCINT:

			case XADC_REG_VCCAUX:

			case XADC_REG_VREFP:

			case XADC_REG_VREFN:

			case XADC_REG_VCCBRAM:

			case XADC_REG_VCCPINT:

			case XADC_REG_VCCPAUX: