diff options
Diffstat (limited to 'drivers/hwmon/jc42.c')
| -rw-r--r-- | drivers/hwmon/jc42.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/hwmon/jc42.c b/drivers/hwmon/jc42.c index 44f189ed414..e21e43c1315 100644 --- a/drivers/hwmon/jc42.c +++ b/drivers/hwmon/jc42.c @@ -534,9 +534,16 @@ static int jc42_remove(struct i2c_client *client) struct jc42_data *data = i2c_get_clientdata(client); hwmon_device_unregister(data->hwmon_dev); sysfs_remove_group(&client->dev.kobj, &jc42_group); - if (data->config != data->orig_config) - i2c_smbus_write_word_swapped(client, JC42_REG_CONFIG, - data->orig_config); + + /* Restore original configuration except hysteresis */ + if ((data->config & ~JC42_CFG_HYST_MASK) != + (data->orig_config & ~JC42_CFG_HYST_MASK)) { + int config; + + config = (data->orig_config & ~JC42_CFG_HYST_MASK) + | (data->config & JC42_CFG_HYST_MASK); + i2c_smbus_write_word_swapped(client, JC42_REG_CONFIG, config); + } return 0; } |