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+================================
+Sign-of-life LED trigger
+================================
+
+Description
+===========
+
+  This is a Sign-of-life LED trigger for QCOM Tri-led Driver.
+      Refer -> kernel_platform/qcom/proprietary/devicetree/bindings/leds/leds-qti-tri-led.txt
+  This trigger will register with LED core framework to individually
+  get activated or deactivated.
+  The trigger will be registered with the power_supply_class to get charging/discharging
+  state and battery capacity.
+
+Handle power-supply states for Charging/Discharging
+===================================================
+
+Set blink/solid Led settings as below
+
+LED Brighness depend on Device Charging State
+----------------------------------------------
+  Full while Device Charging
+  Half Brighness while not Charging
+
+Led Functional Mode Depend on the Battery capacity
+--------------------------------------------------
+  Battery Level < LOW_CAP_THRESHOLD_DEFAULT
+  Fast Blink "charging_low" led node(s)
+
+LOW_CAP_THRESHOLD_DEFAULT < Battery Level < BATT_CAP_THRESHOLD_HIGH
+  Slow Blink "charging" led node(s) (If device charging)
+  Enable Solid 50% brightness for "charging" led node(s) (If device not charging)
+
+BATT_CAP_THRESHOLD_HIGH < Battery Level < BATT_CAP_THRESHOLD_FULL
+  Slow Blink "charging_full" led node(s) (If device charging)
+  Enable Solid 50% brightness for "charging_full" led node(s) (If device not charging)
+
+Battery Level ==  BATT_CAP_THRESHOLD_FULL
+  Enable Solid 100% brightness for "charging_full" led node(s)
+
+Label each node with corresponding colour in device tree
+======================================================
+
+  Qcom Tri-Led will have settings for each Led (R,G,B).
+  The trigger driver will control with blink or solid pattern via labels nodes like
+  charging_low node: Charging/Discharging and Low battery state
+  charging node: Charging/Discharging state with medium battery
+  charging_full node: Charging/Discharging state while battery near to Full.
+
+Example of device tree setting
+=============================
+
+::
+
+&pm8550_rgb {
+	red {
+		status = "ok";
+		label = "charging_low";
+		linux,default-trigger = "sign-of-life";
+	};
+
+	green {
+		status = "ok";
+		label = "charging_full";
+		linux,default-trigger = "sign-of-life";
+	};
+
+	blue {
+		status = "ok";
+		label = "charging";
+		linux,default-trigger = "sign-of-life";
+	};
+};
+
+List of Methods in Sol trigger driver
+====================================
+	static int sol_trig_activate(struct led_classdev *led_cdev)
+	{
+	    /* Set default sol data register with power_supply notifier */
+	}
+
+	static void sol_trig_deactivate(struct led_classdev *led_cdev)
+	{
+		/* Unregister with power_supply notifier and Free sol data */
+	}
+
+	static int sol_led_update_status(led_name, blink, brightness, sol_data)
+	{
+		/* API to set sol led colour, brightness etc based on battery status */
+	}