SDF_PACKED
if (!(s->subdev_flags & SDF_PACKED)) {
s->subdev_flags = SDF_READABLE | SDF_CMD_READ | SDF_PACKED;
s->subdev_flags = SDF_READABLE | SDF_CMD_READ | SDF_PACKED;
SDF_READABLE | SDF_WRITABLE | SDF_LSAMPL | SDF_PACKED |
s->subdev_flags |= SDF_CMD_READ | SDF_LSAMPL | SDF_PACKED;
SDF_PACKED;