diff options
Diffstat (limited to 'drivers/i2c/chips/lm75.c')
| -rw-r--r-- | drivers/i2c/chips/lm75.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/i2c/chips/lm75.c b/drivers/i2c/chips/lm75.c index 6605397e5425b..0e86cc8939817 100644 --- a/drivers/i2c/chips/lm75.c +++ b/drivers/i2c/chips/lm75.c @@ -90,8 +90,11 @@ static ssize_t set_##value(struct device *dev, const char *buf, size_t count) \ struct i2c_client *client = to_i2c_client(dev); \ struct lm75_data *data = i2c_get_clientdata(client); \ int temp = simple_strtoul(buf, NULL, 10); \ + \ + down(&data->update_lock); \ data->value = LM75_TEMP_TO_REG(temp); \ lm75_write_value(client, reg, data->value); \ + up(&data->update_lock); \ return count; \ } set(temp_max, LM75_REG_TEMP_OS); |