mma9551_read_accel_chan
ret = mma9551_read_accel_chan(data->client,
EXPORT_SYMBOL_NS(mma9551_read_accel_chan, "IIO_MMA9551");
int mma9551_read_accel_chan(struct i2c_client *client,
ret = mma9551_read_accel_chan(data->client,