3.19.8-ckt2 -stable review patch.  If anyone has any objections, please let me 
know.

------------------

From: Thomas Betker <[email protected]>

commit 00db4e52f4541965f7fda225eb458a75f892017b upstream.

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

Signed-off-by: Thomas Betker <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
Signed-off-by: Kamal Mostafa <[email protected]>
---
 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 0ad7b50..6fa629b 100644
--- a/drivers/iio/adc/xilinx-xadc-core.c
+++ b/drivers/iio/adc/xilinx-xadc-core.c
@@ -856,6 +856,7 @@ static int xadc_read_raw(struct iio_dev *indio_dev,
                        switch (chan->address) {
                        case XADC_REG_VCCINT:
                        case XADC_REG_VCCAUX:
+                       case XADC_REG_VREFP:
                        case XADC_REG_VCCBRAM:
                        case XADC_REG_VCCPINT:
                        case XADC_REG_VCCPAUX:
-- 
1.9.1

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