From 4b068de9ab1c404734fde90ce5d3f4f5b4f0b9d5 Mon Sep 17 00:00:00 2001
From: steven miao <realmz6@gmail.com>
Date: Tue, 26 Oct 2010 14:22:37 -0700
Subject: [PATCH] ad525x_dpot: use correct rdac channel for ad5251/ad5252

The ad5251/ad5252 devices have rdac1 and rdac3, but no rdac0.  So make
sure we use the right channels so userspace gets correct data and not just
garbage.

Signed-off-by: steven miao <realmz6@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Cc: Michael Hennerich <michael.hennerich@analog.com>
Cc: Chris Verges <chrisv@cyberswitching.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/misc/ad525x_dpot.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/misc/ad525x_dpot.h b/drivers/misc/ad525x_dpot.h
index 3b9e355489ae5..a662f5987b689 100644
--- a/drivers/misc/ad525x_dpot.h
+++ b/drivers/misc/ad525x_dpot.h
@@ -47,9 +47,9 @@ enum dpot_devid {
 	AD5258_ID = DPOT_CONF(F_RDACS_RW_TOL, BRDAC0, 6, 0), /* I2C */
 	AD5259_ID = DPOT_CONF(F_RDACS_RW_TOL, BRDAC0, 8, 1),
 	AD5251_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC,
-			BRDAC0 | BRDAC3, 6, 2),
+			BRDAC1 | BRDAC3, 6, 2),
 	AD5252_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC,
-			BRDAC0 | BRDAC3, 8, 3),
+			BRDAC1 | BRDAC3, 8, 3),
 	AD5253_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC,
 			BRDAC0 | BRDAC1 | BRDAC2 | BRDAC3, 6, 4),
 	AD5254_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC,
-- 
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