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Groups > linux.kernel > #1267430
| From | Thomas Betker <thomas.betker@freenet.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH] iio: adc: xilinx: Fix VREFN scale |
| Date | 2015-11-11 21:30 +0100 |
| Message-ID | <qtKbM-7AZ-19@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
From: Thomas Betker <thomas.betker@rohde-schwarz.com> The scaling factor for VREFN is 3.0/4096 (not 1.0/4096), just as for VREFP. This is not immediately obvious from the specification (Xilinx UG480), but has been confirmed by Xilinx support. Suggested-by: Hartmut Knaack <knaack.h@gmx.de> Signed-off-by: Thomas Betker <thomas.betker@rohde-schwarz.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 0370624..02e636a 100644 --- a/drivers/iio/adc/xilinx-xadc-core.c +++ b/drivers/iio/adc/xilinx-xadc-core.c @@ -841,6 +841,7 @@ static int xadc_read_raw(struct iio_dev *indio_dev, case XADC_REG_VCCINT: case XADC_REG_VCCAUX: case XADC_REG_VREFP: + case XADC_REG_VREFN: case XADC_REG_VCCBRAM: case XADC_REG_VCCPINT: case XADC_REG_VCCPAUX: -- 2.6.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH] iio: adc: xilinx: Fix VREFN scale Thomas Betker <thomas.betker@freenet.de> - 2015-11-11 21:30 +0100 Re: [PATCH] iio: adc: xilinx: Fix VREFN scale Jonathan Cameron <jic23@kernel.org> - 2015-11-15 11:50 +0100
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