UHS2_DEV_CMD_GO_DORMANT_STATE
uhs2_cmd.arg = ((UHS2_DEV_CMD_GO_DORMANT_STATE & 0xFF) << 8) |
(UHS2_DEV_CMD_GO_DORMANT_STATE >> 8);
(uhs2_dev_cmd(cmd) == UHS2_DEV_CMD_GO_DORMANT_STATE))