[3.16.y-ckt stable] Patch "iio: adc: xilinx: Fix VREFP scale" has been added to staging queue
Luis Henriques
luis.henriques at canonical.com
Thu May 28 10:56:08 UTC 2015
This is a note to let you know that I have just added a patch titled
iio: adc: xilinx: Fix VREFP scale
to the linux-3.16.y-queue branch of the 3.16.y-ckt extended stable tree
which can be found at:
http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.16.y-queue
This patch is scheduled to be released in version 3.16.7-ckt13.
If you, or anyone else, feels it should not be added to this tree, please
reply to this email.
For more information about the 3.16.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable
Thanks.
-Luis
------
>From f2f6a172b863e03292903db48927822cf2d5f717 Mon Sep 17 00:00:00 2001
From: Thomas Betker <thomas.betker at rohde-schwarz.com>
Date: Wed, 15 Apr 2015 21:11:49 +0200
Subject: iio: adc: xilinx: Fix VREFP scale
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 at rohde-schwarz.com>
Signed-off-by: Jonathan Cameron <jic23 at kernel.org>
Signed-off-by: Luis Henriques <luis.henriques at 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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