diff options
Diffstat (limited to 'drivers/hwmon/lm78.c')
| -rw-r--r-- | drivers/hwmon/lm78.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c index ec601bbf91b9..f284ecbb9ca8 100644 --- a/drivers/hwmon/lm78.c +++ b/drivers/hwmon/lm78.c @@ -613,6 +613,12 @@ static int lm78_detect(struct i2c_adapter *adapter, int address, int kind) err = -ENODEV; goto ERROR2; } + /* Explicitly prevent the misdetection of Winbond chips */ + i = lm78_read_value(data, 0x4f); + if (i == 0xa3 || i == 0x5c) { + err = -ENODEV; + goto ERROR2; + } } /* Determine the chip type. */ |