CH7017_LVDS_POWER_DOWN
ch7017_write(dvo, CH7017_LVDS_POWER_DOWN, lvds_power_down);
ch7017_read(dvo, CH7017_LVDS_POWER_DOWN, &val);
ch7017_write(dvo, CH7017_LVDS_POWER_DOWN,
ch7017_write(dvo, CH7017_LVDS_POWER_DOWN,
ch7017_read(dvo, CH7017_LVDS_POWER_DOWN, &val);
DUMP(CH7017_LVDS_POWER_DOWN);