3.16.7-ckt22 -stable review patch. If anyone has any objections, please let me
know.
------------------
From: Thomas Betker <thomas.bet...@rohde-schwarz.com>
commit a57f8dac46fbac5ab0e31aef1a98b3f6eb30c079 upstream.
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: Hartmut Knaack <knaac...@gmx.de>
Signed-off-by: Thomas Betker <thomas.bet...@rohde-schwarz.com>
Signed-off-by: Jonathan Cameron <ji...@kernel.org>
Signed-off-by: Luis Henriques <luis.henriq...@canonical.com>
---
drivers/iio/adc/xilinx-xadc-core.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/iio/adc/xilinx-xadc-core.c
b/drivers/iio/adc/xilinx-xadc-core.c
index c7637716fa8f..53c80c73f128 100644
--- a/drivers/iio/adc/xilinx-xadc-core.c
+++ b/drivers/iio/adc/xilinx-xadc-core.c
@@ -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:
--
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