diff options
| author | Thomas Betker <thomas.betker@rohde-schwarz.com> | 2015-04-15 21:11:49 +0200 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2015-06-09 14:31:41 -0400 |
| commit | 3ec936bcf36f91348c08366ebd15d3241298d64f (patch) | |
| tree | 0f3dcec07dfb2725873a0b4e177075753798ad32 /drivers/iio | |
| parent | ec4fc281dab476d0e87cb8f82b966ef95d2f1a9a (diff) | |
iio: adc: xilinx: Fix VREFP scale
[ Upstream commit 00db4e52f4541965f7fda225eb458a75f892017b ]
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>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/adc/xilinx-xadc-core.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c index 0ad7b502c593..6fa629b3c168 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: |