struct ad5933_state *st = container_of(work,
struct ad5933_state, work.work);
struct iio_dev *indio_dev = i2c_get_clientdata(st->client);
struct ad5933_state *st = container_of(work,
struct ad5933_state, work.work);
struct iio_dev *indio_dev = i2c_get_clientdata(st->client);