diff options
| author | Jeff Dischler <jdischler@xes-inc.com> | 2010-09-29 13:46:19 -0500 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-10-06 23:01:22 +0200 |
| commit | 7d85f1dc5cf1269ecb41de983c29386e6cddf910 (patch) | |
| tree | 276f6863ac94d1e34309b497cd0a65219e2778c5 /drivers/hwmon/ds1621.c | |
| parent | 9a6c80b0cfca744816e8ee55fcf5d7d55da09cbd (diff) | |
ds1621: Fix negative temperature readings
Fix bug where signed data was processed as unsigned. The bug previously
resulted in negative temperature readings wrapping around, eg -10 became
245.
Signed-off-by: Jeff Dischler <jdischler@xes-inc.com>
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'drivers/hwmon/ds1621.c')
| -rw-r--r-- | drivers/hwmon/ds1621.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c index 60bf50203a..5a2ea62899 100644 --- a/drivers/hwmon/ds1621.c +++ b/drivers/hwmon/ds1621.c @@ -80,7 +80,7 @@ int dtt_read(int sensor, int reg) /* Handle 2 byte result */ if (dlen == 2) - return ((int)((short)data[1] + (((short)data[0]) << 8))); + return (short)((data[0] << 8) | data[1]); return (int)data[0]; } |