MSM6242B_CONTROL_D
msm6242b_set(sc, MSM6242B_CONTROL_D, MSM6242B_CONTROL_D_HOLD);
if (msm6242b_read(sc, MSM6242B_CONTROL_D)
msm6242b_unset(sc, MSM6242B_CONTROL_D,
msm6242b_unset(sc, MSM6242B_CONTROL_D, MSM6242B_CONTROL_D_HOLD);