From: Michael Hennerich Date: Mon, 22 Feb 2016 09:20:24 +0000 (+0100) Subject: drivers/misc/ad525x_dpot: AD5274 fix RDAC read back errors X-Git-Tag: firefly_0821_release~176^2~4^2~48^2~29 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ab2c82dcd6cdb4d4871b151123f1523f2285a27e;p=firefly-linux-kernel-4.4.55.git drivers/misc/ad525x_dpot: AD5274 fix RDAC read back errors commit f3df53e4d70b5736368a8fe8aa1bb70c1cb1f577 upstream. 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 Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/misc/ad525x_dpot.c b/drivers/misc/ad525x_dpot.c index 15e88078ba1e..f1a0b99f5a9a 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: