LTC2947_REG_POWER_THRE_L
ret = ltc2947_val_read(st, LTC2947_REG_POWER_THRE_L,
return ltc2947_val_write(st, LTC2947_REG_POWER_THRE_L,
ret = ltc2947_val_write(st, LTC2947_REG_POWER_THRE_L, LTC2947_PAGE1, 2,