pixman_image_t *brightness_image;
/* level : 1 ~ 100, interval : 1 or 2 */
-/* skip 100 level, set to default alpha */
uint8_t brightness_tbl[] = {155, /* level 0 : for dimming */
/* level 01 ~ 10 */ 149, 147, 146, 144, 143, 141, 140, 138, 137, 135,
/* level 11 ~ 20 */ 134, 132, 131, 129, 128, 126, 125, 123, 122, 120,
/* level 61 ~ 70 */ 59, 57, 56, 54, 53, 51, 50, 48, 47, 45,
/* level 71 ~ 80 */ 44, 42, 41, 39, 38, 36, 35, 33, 32, 30,
/* level 81 ~ 90 */ 29, 27, 26, 24, 23, 21, 20, 18, 17, 15,
-/* level 91 ~ 99 */ 14, 12, 11, 9, 8, 6, 5, 3, 2};
+/* level 91 ~ 99 */ 14, 12, 11, 9, 8, 6, 5, 3, 2, 0};
QEMUBH *bh;