* [PATCH] drivers/misc/ad525x_dpot: AD5274 fix RDAC read back errors
@ 2016-02-22 9:20 michael.hennerich
0 siblings, 0 replies; only message in thread
From: michael.hennerich @ 2016-02-22 9:20 UTC (permalink / raw)
To: arnd, gregkh; +Cc: linux-kernel, Michael Hennerich
From: Michael Hennerich <michael.hennerich@analog.com>
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@analog.com>
---
drivers/misc/ad525x_dpot.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/misc/ad525x_dpot.c b/drivers/misc/ad525x_dpot.c
index e9bbc7b..51e3ec2 100644
--- a/drivers/misc/ad525x_dpot.c
+++ b/drivers/misc/ad525x_dpot.c
@@ -216,7 +216,7 @@ static s32 dpot_read_i2c(struct dpot_data *dpot, u8 reg)
*/
value = swab16(value);
- if (dpot->uid == DPOT_UID(AD5271_ID))
+ if (dpot->uid == DPOT_UID(AD5274_ID))
value = value >> 2;
return value;
default:
--
1.9.1
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2016-02-22 9:20 [PATCH] drivers/misc/ad525x_dpot: AD5274 fix RDAC read back errors michael.hennerich
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