From: Peter Meerwald <pmeerw@pmeerw.net>
Date: Tue, 3 Sep 2013 01:05:00 +0000 (+0100)
Subject: staging:iio:hmc5843: Fix measurement conversion
X-Git-Tag: v3.12-rc2~1^2^2~10
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=575a6c90c190efabc829a8a9109f5036edaf1a82;p=linux.git

staging:iio:hmc5843: Fix measurement conversion

recently broken, cd6fe06588423ff4cca85c85c4402027b04dccf1
staging:iio:hmc5843: Use i2c_smbus_read_word_swapped()

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
---

diff --git a/drivers/staging/iio/magnetometer/hmc5843.c b/drivers/staging/iio/magnetometer/hmc5843.c
index d2748c329eae..c3f3f539e787 100644
--- a/drivers/staging/iio/magnetometer/hmc5843.c
+++ b/drivers/staging/iio/magnetometer/hmc5843.c
@@ -229,7 +229,7 @@ static int hmc5843_read_measurement(struct iio_dev *indio_dev,
 	if (result < 0)
 		return -EINVAL;
 
-	*val = result;
+	*val = sign_extend32(result, 15);
 	return IIO_VAL_INT;
 }