releases/4.4.9/drivers-misc-ad525x_dpot-ad5274-fix-rdac-read-back-errors.patch

   1 From f3df53e4d70b5736368a8fe8aa1bb70c1cb1f577 Mon Sep 17 00:00:00 2001
   2 From: Michael Hennerich <michael.hennerich@analog.com>
   3 Date: Mon, 22 Feb 2016 10:20:24 +0100
   4 Subject: drivers/misc/ad525x_dpot: AD5274 fix RDAC read back errors
   5
   6 From: Michael Hennerich <michael.hennerich@analog.com>
   7
   8 commit f3df53e4d70b5736368a8fe8aa1bb70c1cb1f577 upstream.
   9
  10 Fix RDAC read back errors caused by a typo. Value must shift by 2.
  11
  12 Fixes: a4bd394956f2 ("drivers/misc/ad525x_dpot.c: new features")
  13 Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
  14 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  15
  16 ---
  17  drivers/misc/ad525x_dpot.c |    2 +-
  18  1 file changed, 1 insertion(+), 1 deletion(-)
  19
  20 --- a/drivers/misc/ad525x_dpot.c
  21 +++ b/drivers/misc/ad525x_dpot.c
  22 @@ -216,7 +216,7 @@ static s32 dpot_read_i2c(struct dpot_dat
  23                          */
  24                         value = swab16(value);
  25
  26 -                       if (dpot->uid == DPOT_UID(AD5271_ID))
  27 +                       if (dpot->uid == DPOT_UID(AD5274_ID))
  28                                 value = value >> 2;
  29                 return value;
  30         default: