linux-kernel - [PATCH] ad525x_dpot: use correct rdac channel for ad5251/ad5252

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Message-Id: <1287296642-23207-1-git-send-email-vapier@gentoo.org>
Date:	Sun, 17 Oct 2010 02:24:02 -0400
From:	Mike Frysinger <vapier@...too.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	device-drivers-devel@...ckfin.uclinux.org,
	uclinux-dist-devel@...ckfin.uclinux.org,
	linux-kernel@...r.kernel.org, steven miao <realmz6@...il.com>
Subject: [PATCH] ad525x_dpot: use correct rdac channel for ad5251/ad5252

From: steven miao <realmz6@...il.com>

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@...il.com>
Signed-off-by: Mike Frysinger <vapier@...too.org>
---
 drivers/misc/ad525x_dpot.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/misc/ad525x_dpot.h b/drivers/misc/ad525x_dpot.h
index 78b89fd..5f4f3d7 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,
-- 
1.7.3.1

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