Messages in this thread Patch in this message | | | From | Kamal Mostafa <> | Subject | [PATCH 3.19.y-ckt 022/146] iio: adc: xilinx: Fix VREFP scale | Date | Wed, 17 Jun 2015 15:22:07 -0700 |
| |
3.19.8-ckt2 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Thomas Betker <thomas.betker@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@rohde-schwarz.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Kamal Mostafa <kamal@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
| |