[PATCH 3.12 19/76] drivers/misc/ad525x_dpot: AD5274 fix RDAC read back errors
From: Jiri Slaby
Date: Thu May 19 2016 - 05:26:11 EST
From: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
3.12-stable review patch. If anyone has any objections, please let me know.
===============
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@xxxxxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
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 0daadcf1ed7a..65fb74402c37 100644
--- a/drivers/misc/ad525x_dpot.c
+++ b/drivers/misc/ad525x_dpot.c
@@ -216,7 +216,7 @@ 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:
--
2.8.2