JZ_REG_LCD_STATE
regmap_write(priv->map, JZ_REG_LCD_STATE, 0);
regmap_read_poll_timeout(priv->map, JZ_REG_LCD_STATE, var,
regmap_read(priv->map, JZ_REG_LCD_STATE, &state);
regmap_update_bits(priv->map, JZ_REG_LCD_STATE,