DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK
cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);