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>

diff --git a/drivers/misc/ad525x_dpot.h b/drivers/misc/ad525x_dpot.h
index 3b9e355489ae5823122522559a0bba1837fa1783..a662f5987b6892591008291e3b5b05506918ed9e 100644 (file)
--- 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,