diff options
Diffstat (limited to 'drivers/i2c/chips/max1619.c')
| -rw-r--r-- | drivers/i2c/chips/max1619.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/i2c/chips/max1619.c b/drivers/i2c/chips/max1619.c index e6f080163b82e..5afa961a5e106 100644 --- a/drivers/i2c/chips/max1619.c +++ b/drivers/i2c/chips/max1619.c @@ -141,8 +141,11 @@ static ssize_t set_##value(struct device *dev, const char *buf, \ struct i2c_client *client = to_i2c_client(dev); \ struct max1619_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; \ } |