mma9551_set_power_state
mma9551_set_power_state(client, false);
ret = mma9551_set_power_state(data->client, false);
ret = mma9551_set_power_state(data->client, true);
mma9551_set_power_state(data->client, false);
ret = mma9551_set_power_state(client, true);
EXPORT_SYMBOL_NS(mma9551_set_power_state, "IIO_MMA9551");
ret = mma9551_set_power_state(client, true);
mma9551_set_power_state(client, false);
int mma9551_set_power_state(struct i2c_client *client, bool on);
ret = mma9551_set_power_state(data->client, val);
ret = mma9551_set_power_state(data->client, state);
mma9551_set_power_state(data->client, false);