bdk: di: adjust OLED panel brightness curve

The Samsung AMOLED panel least legible backlight is at a high duty (45 / 255). Change the linear curve to a more appropriate one.
2021-10-15 16:16:24 +03:00
parent 6992ece762
commit 808da1bce0
2 changed files with 7 additions and 0 deletions
--- a/bdk/display/di.h
+++ b/bdk/display/di.h
@@ -652,6 +652,9 @@
 #define DCS_CONTROL_DISPLAY_DIMMING_CTRL    BIT(3)
 #define DCS_CONTROL_DISPLAY_BRIGHTNESS_CTRL BIT(5)

+#define PANEL_OLED_BL_COEFF  82 // 82%.
+#define PANEL_OLED_BL_OFFSET 45 // Least legible backlight duty.
+
 /* Switch Panels:
 *
 * 6.2" panels for Icosa and Iowa skus: