[3.16.y-ckt stable] Patch "drivers/misc/ad525x_dpot: AD5274 fix RDAC read back errors" has been added to the 3.16.y-ckt tree
Luis Henriques
luis.henriques at canonical.com
Mon Apr 11 17:25:50 UTC 2016
This is a note to let you know that I have just added a patch titled
drivers/misc/ad525x_dpot: AD5274 fix RDAC read back errors
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-ckt27.
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
---8<------------------------------------------------------------
>From 54c405fcdf09d9f2d949e85ebc047b82a0879b6c Mon Sep 17 00:00:00 2001
From: Michael Hennerich <michael.hennerich at analog.com>
Date: Mon, 22 Feb 2016 10:20:24 +0100
Subject: drivers/misc/ad525x_dpot: AD5274 fix RDAC read back errors
commit f3df53e4d70b5736368a8fe8aa1bb70c1cb1f577 upstream.
Fix RDAC read back errors caused by a typo. Value must shift by 2.
Fixes: a4bd394956f2 ("drivers/misc/ad525x_dpot.c: new features")
Signed-off-by: Michael Hennerich <michael.hennerich at analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
drivers/misc/ad525x_dpot.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/misc/ad525x_dpot.c b/drivers/misc/ad525x_dpot.c
index a43053daad0e..46272b0ae2dd 100644
--- a/drivers/misc/ad525x_dpot.c
+++ b/drivers/misc/ad525x_dpot.c
@@ -215,7 +215,7 @@ static s32 dpot_read_i2c(struct dpot_data *dpot, u8 reg)
*/
value = swab16(value);
- if (dpot->uid == DPOT_UID(AD5271_ID))
+ if (dpot->uid == DPOT_UID(AD5274_ID))
value = value >> 2;
return value;
default:
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