This is a note to let you know that I've just added the patch titled
iio: adc: xilinx: Fix VREFN scale
to my staging git tree which can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git
in the staging-linus branch.
The patch will show up in the next release of the linux-next tree
(usually sometime within the next 24 hours during the week.)
The patch will hopefully also be merged in Linus's tree for the
next -rc kernel release.
If you have any questions about this process, please let me know.
>From a57f8dac46fbac5ab0e31aef1a98b3f6eb30c079 Mon Sep 17 00:00:00 2001
From: Thomas Betker <[email protected]>
Date: Wed, 11 Nov 2015 21:24:38 +0100
Subject: iio: adc: xilinx: Fix VREFN scale
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 <[email protected]>
Signed-off-by: Thomas Betker <[email protected]>
Cc: <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
---
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 ce93bd8e3f68..95c0b3d9890c 100644
--- a/drivers/iio/adc/xilinx-xadc-core.c
+++ b/drivers/iio/adc/xilinx-xadc-core.c
@@ -857,6 +857,7 @@ 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:
--
2.6.2
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