Video driver: allow much lower display brightness (affects

the brightness slider in Android)
Mibo5354 · Apr 3, 2020 · 0d20718 · 0d20718
1 parent b7ffe7f
commit 0d20718
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Showing 2 changed files with 31 additions and 31 deletions.
diff --git a/drivers/video/samsung/aid_s6e8aa0.h b/drivers/video/samsung/aid_s6e8aa0.h
@@ -15,19 +15,19 @@
 #define aid_180nit_110nit_F8_18th	0x42
 #define aid_180nit_110nit_F8_1st	0x59
 #define aid_100nit_20nit_F8_1st	0x59
-#define aid_108nit_F8_18th		0x38
-#define aid_106nit_F8_18th		0x2F
-#define aid_104nit_F8_18th		0x25
-#define aid_102nit_F8_18th		0x1C
-#define aid_100nit_F8_18th		0x12
-#define aid_90nit_F8_18th		0x22
-#define aid_80nit_F8_18th		0x32
-#define aid_70nit_F8_18th		0x41
-#define aid_60nit_F8_18th		0x50
-#define aid_50nit_F8_18th		0x5E
-#define aid_40nit_F8_18th		0x6C
-#define aid_30nit_F8_18th		0x7A
-#define aid_20nit_F8_18th		0x88
+#define aid_108nit_F8_18th		0x04
+#define aid_106nit_F8_18th		0x1B
+#define aid_104nit_F8_18th		0x32
+#define aid_102nit_F8_18th		0x49
+#define aid_100nit_F8_18th		0x5E
+#define aid_90nit_F8_18th		0x73
+#define aid_80nit_F8_18th		0x88
+#define aid_70nit_F8_18th		0x90
+#define aid_60nit_F8_18th		0x97
+#define aid_50nit_F8_18th		0x9B
+#define aid_40nit_F8_18th		0x9E
+#define aid_30nit_F8_18th		0xA0
+#define aid_20nit_F8_18th		0xA1
 #define AOR40_BASE_188		201
 #define AOR40_BASE_186		214
 #define AOR40_BASE_184		234
@@ -40,10 +40,10 @@
 #define AOR40_BASE_130		200
 #define AOR40_BASE_120		186
 #define AOR40_BASE_110		171
-#define AOR40_BASE_108		156
-#define AOR40_BASE_106		143
-#define AOR40_BASE_104		130
-#define AOR40_BASE_102		120
+#define AOR40_BASE_108		110
+#define AOR40_BASE_106		110
+#define AOR40_BASE_104		110
+#define AOR40_BASE_102		110
 #define base_20to100			110
 
 const struct rgb_offset_info aid_rgb_fix_table[] = {

diff --git a/drivers/video/samsung/s3cfb_s6e8aa0.c b/drivers/video/samsung/s3cfb_s6e8aa0.c
@@ -289,46 +289,46 @@ static int get_backlight_level_from_brightness(int brightness)
 	 * But in this driver, brightness is only supported from 0 to 24 */
 
 	switch (brightness) {
-	case 0 ... 29:
+	case 0 ... 16:
 		backlightlevel = GAMMA_20CD;
 		break;
-	case 30 ... 39:
+	case 17 ... 24:
 		backlightlevel = GAMMA_30CD;
 		break;
-	case 40 ... 49:
+	case 25 ... 32:
 		backlightlevel = GAMMA_40CD;
 		break;
-	case 50 ... 59:
+	case 33 ... 40:
 		backlightlevel = GAMMA_50CD;
 		break;
-	case 60 ... 69:
+	case 41 ... 48:
 		backlightlevel = GAMMA_60CD;
 		break;
-	case 70 ... 79:
+	case 49 ... 56:
 		backlightlevel = GAMMA_70CD;
 		break;
-	case 80 ... 89:
+	case 57 ... 64:
 		backlightlevel = GAMMA_80CD;
 		break;
-	case 90 ... 99:
+	case 65 ... 72:
 		backlightlevel = GAMMA_90CD;
 		break;
-	case 100 ... 101:
+	case 73 ... 80:
 		backlightlevel = GAMMA_100CD;
 		break;
-	case 102 ... 103:
+	case 81 ... 88:
 		backlightlevel = GAMMA_102CD;
 		break;
-	case 104 ... 105:
+	case 89 ... 96:
 		backlightlevel = GAMMA_104CD;
 		break;
-	case 106 ... 107:
+	case 97 ... 104:
 		backlightlevel = GAMMA_106CD;
 		break;
-	case 108 ... 109:
+	case 105 ... 112:
 		backlightlevel = GAMMA_108CD;
 		break;
-	case 110 ... 119:
+	case 113 ... 119:
 		backlightlevel = GAMMA_110CD;
 		break;
 	case 120 ... 129: