linux-kernel - [PATCH 3.14 27/37] drivers/misc/ad525x_dpot: AD5274 fix RDAC read back errors

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Message-Id: <20160503000424.425921647@linuxfoundation.org>
Date:	Mon,  2 May 2016 17:12:16 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	Michael Hennerich <michael.hennerich@...log.com>
Subject: [PATCH 3.14 27/37] drivers/misc/ad525x_dpot: AD5274 fix RDAC read back errors

3.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Michael Hennerich <michael.hennerich@...log.com>

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@...log.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/misc/ad525x_dpot.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/misc/ad525x_dpot.c
+++ b/drivers/misc/ad525x_dpot.c
@@ -216,7 +216,7 @@ static s32 dpot_read_i2c(struct dpot_dat
 			 */
 			value = swab16(value);
 
-			if (dpot->uid == DPOT_UID(AD5271_ID))
+			if (dpot->uid == DPOT_UID(AD5274_ID))
 				value = value >> 2;
 		return value;
 	default: