diff options
| -rw-r--r-- | drivers/hwmon/lm75.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c index 63f3b7551e9..e29b29440f2 100644 --- a/drivers/hwmon/lm75.c +++ b/drivers/hwmon/lm75.c @@ -179,7 +179,13 @@ int dtt_init (void) int dtt_get_temp(int sensor) { - return (dtt_read(sensor, DTT_READ_TEMP) / 256); + int const ret = dtt_read(sensor, DTT_READ_TEMP); + + if (ret < 0) { + printf("DTT temperature read failed.\n"); + return 0; + } + return (int)((int16_t) ret / 256); } /* dtt_get_temp() */ #endif /* CONFIG_DTT_LM75 */ |