From: Youngjae Cho <y0.cho@samsung.com>
Date: Tue, 10 Mar 2020 09:02:20 +0000 (+0900)
Subject: Introduce 3 level AOD brightness
X-Git-Tag: submit/tizen/20200331.081929~37
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4e1b763e5054c50a234edafedcc47119aa3e75dd;p=platform%2Fcore%2Fsystem%2Fdeviced.git

Introduce 3 level AOD brightness

Change-Id: Iae0ca878f7702e72cccf9ff54f26da59e3b3e78e
Signed-off-by: Youngjae Cho <y0.cho@samsung.com>
---

diff --git a/plugins/wearable/display/device-interface.c b/plugins/wearable/display/device-interface.c
old mode 100644
new mode 100755
index eb6414d..b03e5c4
--- a/plugins/wearable/display/device-interface.c
+++ b/plugins/wearable/display/device-interface.c
@@ -43,6 +43,7 @@
 #include "device-node.h"
 #include "display/display-dpms.h"
 #include "battery-monitor.h"
+#include "battery/power-supply.h"
 
 #define SET_SUSPEND_TIME		0.5
 
@@ -89,6 +90,9 @@ static bool vital_sleep;
 static int dpms_running_state = DPMS_SETTING_DONE;
 static struct display_device *display_dev;
 static guint release_timer;
+static int aod_max_level = -1;
+static int aod_normal_level = -1;
+static int aod_min_level = -1;
 
 struct display_device *display_dev_get(void)
 {
@@ -808,12 +812,23 @@ static int backlight_transit_state(int state)
 {
 	int brt, val;
 	int start, end;
+	static int aod_brightness_level;
 
 	backlight_ops.get_brightness(&brt);
 
 	if (state == DPMS_OFF) {
 		start = brt;
-		end = display_conf.aod_enter_level;
+
+		/* There are three levels of AOD brightness: max, normal, min brightness.
+		 * At first, AOD brightness is set to normal level when charger is connected,
+		 * otherwise set to max. And then, if the current brightness is lower than this
+		 * initialized AOD brightness, set AOD brightness to min level brightness. */
+		if (battery.online_type && aod_normal_level > 0)
+			aod_brightness_level = aod_normal_level;
+		else if (aod_max_level > 0)
+			aod_brightness_level = aod_max_level;
+		else
+			aod_brightness_level = display_conf.aod_enter_level;
 
 		/*
 		 * The value of backlight_ops.get_brightness is system brightness.
@@ -822,18 +837,24 @@ static int backlight_transit_state(int state)
 		 */
 		get_brightness(&val);
 
-		if (val > display_conf.aod_enter_level)
-			backlight_ops.transit_brt(start, end, display_conf.brightness_change_step);
+		if ((val < aod_brightness_level) && (aod_min_level > 0))
+			aod_brightness_level = aod_min_level;
+
+		if (val > aod_brightness_level) {
+			_D("backlight transit start %d end %d DPMS OFF", start, aod_brightness_level);
+			backlight_ops.transit_brt(start, aod_brightness_level, display_conf.brightness_change_step);
+		}
 	} else {
 		/* prevent transit effect when another effect is already executed */
-		if (brt != display_conf.aod_enter_level) {
+		if (brt != aod_brightness_level) {
 			_W("effect is already executed brt(%d) aod_level(%d)",
-					brt, display_conf.aod_enter_level);
+					brt, aod_brightness_level);
 			return 0;
 		}
 
-		start = display_conf.aod_enter_level;
+		start = aod_brightness_level;
 		end = default_brightness;
+		_D("backlight transit start %d end %d DPMS ON", start, end);
 		backlight_ops.transit_brt(start, end, display_conf.brightness_change_step);
 	}
 
@@ -965,7 +986,15 @@ int display_service_load(void)
 		return -EPERM;
 	}
 
+	if (display_dev && display_dev->get_aod_brightness) {
+		r = display_dev->get_aod_brightness(&aod_max_level, &aod_normal_level, &aod_min_level);
+		if (r == 0) {
+			_I("Use various AOD brightness : max %d, normal %d, min %d", aod_max_level, aod_normal_level, aod_min_level);
+		}
+	}
+
 	_D("Display device structure load success.");
+
 	return 0;
 }