[PATCH 3.19.y-ckt 022/146] iio: adc: xilinx: Fix VREFP scale
Kamal Mostafa
kamal at canonical.com
Wed Jun 17 22:22:07 UTC 2015
3.19.8-ckt2 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Thomas Betker <thomas.betker at rohde-schwarz.com>
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 <thomas.betker at rohde-schwarz.com>
Signed-off-by: Jonathan Cameron <jic23 at kernel.org>
Signed-off-by: Kamal Mostafa <kamal at 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 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
More information about the kernel-team
mailing list