| From | Luis Henriques <> | Subject | [PATCH 3.16.y-ckt 006/110] iio: adc: xilinx: Fix VREFP scale | Date | Fri, 5 Jun 2015 14:56:49 +0100 |
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3.16.7-ckt13 -stable review patch. If anyone has any objections, please let me know.
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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: Luis Henriques <luis.henriques@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 2a7ff1d428ef..4976aed06344 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:
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