From 0abca5cf8f1daa77690514ea3cdbcb2d70a72f15 Mon Sep 17 00:00:00 2001
From: Evoke Zhang <evoke.zhang@amlogic.com>
Date: Thu, 3 Jan 2019 06:40:26 -0500
Subject: [PATCH] backlight: ldim: add analog pwm support [1/1]

PD#SWPL-3702

Problem:
local dimming need analog pwm function

Solution:
add analog pwm support

Verify:
x301

Change-Id: I502bb7505947c1f3670f44d0d307f9546f1d57fd
Signed-off-by: Evoke Zhang <evoke.zhang@amlogic.com>

Conflicts:
	drivers/amlogic/media/vout/backlight/aml_ldim/ldim_dev_drv.c
	include/linux/amlogic/media/vout/lcd/aml_ldim.h
---
 .../boot/dts/amlogic/mesontl1_x301-panel.dtsi | 19 ++++++++++++++++++-
 .../vout/backlight/aml_ldim/ldim_dev_drv.c    |  8 ++++++++
 .../media/vout/backlight/aml_ldim/ldim_drv.h  |  3 ++-
 3 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/amlogic/mesontl1_x301-panel.dtsi b/arch/arm/boot/dts/amlogic/mesontl1_x301-panel.dtsi
index 491ffb5cabb6..c2b4d6e69336 100644
--- a/arch/arm/boot/dts/amlogic/mesontl1_x301-panel.dtsi
+++ b/arch/arm/boot/dts/amlogic/mesontl1_x301-panel.dtsi
@@ -979,7 +979,7 @@
 			bl_level_attr = <255 10 /*max, min*/
 				128 128>; /*mid, mid_mapping*/
 			bl_ctrl_method = <3>; /*1=pwm,2=pwm_combo,3=ldim*/
-			bl_power_attr = <0 /*en_gpio_index*/
+			bl_power_attr = <0xff /*en_gpio_index*/
 				1 0  /*on_value, off_value*/
 				200 200>; /*on_delay(ms), off_delay(ms)*/
 			bl_ldim_region_row_col = <1 1>;
@@ -989,6 +989,23 @@
 					     */
 			ldim_dev_index = <1>;
 		};
+		backlight_5{
+			index = <5>;
+			bl_name = "ldim_iw7027";
+			bl_level_default_uboot_kernel = <100 100>;
+			bl_level_attr = <255 10 /*max, min*/
+				128 128>; /*mid, mid_mapping*/
+			bl_ctrl_method = <3>; /*1=pwm,2=pwm_combo,3=ldim*/
+			bl_power_attr = <0 /*en_gpio_index*/
+				1 0  /*on_value, off_value*/
+				200 200>; /*on_delay(ms), off_delay(ms)*/
+			bl_ldim_region_row_col = <1 10>;
+			bl_ldim_mode = <1>; /*0=left/right side
+					     *1=top/bottom side
+					     *2=direct
+					     */
+			ldim_dev_index = <2>;
+		};
 	};
 
 	bl_pwm_conf:bl_pwm_conf{
diff --git a/drivers/amlogic/media/vout/backlight/aml_ldim/ldim_dev_drv.c b/drivers/amlogic/media/vout/backlight/aml_ldim/ldim_dev_drv.c
index 9dab744e1622..2876a9141e90 100644
--- a/drivers/amlogic/media/vout/backlight/aml_ldim/ldim_dev_drv.c
+++ b/drivers/amlogic/media/vout/backlight/aml_ldim/ldim_dev_drv.c
@@ -91,6 +91,14 @@ struct ldim_dev_config_s ldim_dev_config = {
 		.pwm_duty_max = 100,
 		.pwm_duty_min = 10,
 	},
+	.analog_pwm_config = {
+		.pwm_method = BL_PWM_POSITIVE,
+		.pwm_port = BL_PWM_MAX,
+		.pwm_freq = 1000,
+		.pwm_duty_max = 100,
+		.pwm_duty_min = 10,
+	},
+	.dim_range_update = NULL,
 
 	.bl_regnum = 0,
 
diff --git a/drivers/amlogic/media/vout/backlight/aml_ldim/ldim_drv.h b/drivers/amlogic/media/vout/backlight/aml_ldim/ldim_drv.h
index d186f59ab69e..76c23ce4b7f6 100644
--- a/drivers/amlogic/media/vout/backlight/aml_ldim/ldim_drv.h
+++ b/drivers/amlogic/media/vout/backlight/aml_ldim/ldim_drv.h
@@ -26,7 +26,8 @@
 /*20181101: fix ldim_op_func null mistake, add new spi api support */
 /*20181203: add 50/60hz change & iw7027 error handle support */
 /*20181220: add tl1 support*/
-#define LDIM_DRV_VER    "20181220"
+/*20190103: add analog pwm support*/
+#define LDIM_DRV_VER    "20190103"
 
 extern unsigned char ldim_debug_print;