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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>
hifive-unleashed-5.1
steven miao 2010-10-26 14:22:37 -07:00 committed by Linus Torvalds
parent a4bd394956
commit 4b068de9ab
1 changed files with 2 additions and 2 deletions
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4
drivers/misc/ad525x_dpot.h
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@ -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,