diff options
Diffstat (limited to 'drivers/i2c/chips/lm83.c')
| -rw-r--r-- | drivers/i2c/chips/lm83.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/i2c/chips/lm83.c b/drivers/i2c/chips/lm83.c index 6a4c345325a0f..3dafe60766ad9 100644 --- a/drivers/i2c/chips/lm83.c +++ b/drivers/i2c/chips/lm83.c @@ -177,8 +177,11 @@ static ssize_t set_temp_##suffix(struct device *dev, const char *buf, \ struct i2c_client *client = to_i2c_client(dev); \ struct lm83_data *data = i2c_get_clientdata(client); \ long val = simple_strtol(buf, NULL, 10); \ + \ + down(&data->update_lock); \ data->value = TEMP_TO_REG(val); \ i2c_smbus_write_byte_data(client, reg, data->value); \ + up(&data->update_lock); \ return count; \ } set_temp(high1, temp_high[0], LM83_REG_W_LOCAL_HIGH); |