From 63be9d7762c3d8ba84d51894a4a3af22457d92db Mon Sep 17 00:00:00 2001
From: James Sullins <jcsullins@gmail.com>
Date: Sat, 28 Jan 2012 16:30:32 -0600
Subject: [PATCH] update lcdc_lg_xga driver

---
 drivers/video/msm/lcdc_lg_xga.c | 23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/drivers/video/msm/lcdc_lg_xga.c b/drivers/video/msm/lcdc_lg_xga.c
index 5c55e1611c4..33818ce1e52 100644
--- a/drivers/video/msm/lcdc_lg_xga.c
+++ b/drivers/video/msm/lcdc_lg_xga.c
@@ -34,9 +34,9 @@ static struct pwm_device *bl_pwm0;
  * If PWM_LEVEL is greater than 64 and If we use PMIC8058-PWM,
  * PMIC must be in 9bit modulation mode.
  */
-#define PWM_FREQ_HZ 20000
+#define PWM_FREQ_HZ 300
 #define PWM_PERIOD_USEC (USEC_PER_SEC / PWM_FREQ_HZ)
-#define PWM_LEVEL 256
+#define PWM_LEVEL 15
 #define PWM_DUTY_LEVEL (PWM_PERIOD_USEC / PWM_LEVEL)
 #endif
 
@@ -56,16 +56,20 @@ static int lcdc_lg_panel_off(struct platform_device *pdev)
 
 static void lcdc_lg_panel_set_backlight(struct msm_fb_data_type *mfd)
 {
-	unsigned int bl_level;
+	int bl_level;
 	int ret;
 
 	bl_level = mfd->bl_level;
 
+	if (lcdc_lg_pdata && lcdc_lg_pdata->pmic_backlight)
+		lcdc_lg_pdata->pmic_backlight(bl_level);
+
 #ifdef CONFIG_PMIC8058_PWM
 	if (bl_pwm0) 
     {
-#if 0 // green - this is noop in .35 too
-		ret = pwm_config2(bl_pwm0, bl_level, PWM_LEVEL, PWM_PERIOD_USEC);
+#if 1 // green - this is noop in .35 too
+		ret = pwm_config(bl_pwm0, PWM_DUTY_LEVEL * bl_level,
+				PWM_PERIOD_USEC);
 		if (ret)
 			printk(KERN_ERR "pwm_config on pwm 0 failed %d\n", ret);
 #endif
@@ -137,6 +141,8 @@ static int __init lcdc_lg_panel_init(void)
 		return 0;
 #endif
 
+	printk(KERN_ERR "lcdc_lg_panel_init: called\n");
+
 	ret = platform_driver_register(&this_driver);
 	if (ret)
 		return ret;
@@ -149,9 +155,10 @@ static int __init lcdc_lg_panel_init(void)
 	pinfo->wait_cycle = 0;
 	pinfo->bpp = 18;
 	pinfo->fb_num = 2;
-	pinfo->clk_rate = 96000000;
-	pinfo->bl_max = PWM_LEVEL;
-	pinfo->bl_min = 0;
+	// pinfo->clk_rate = 96000000;
+	pinfo->clk_rate = 76800000;
+	pinfo->bl_max = 15;
+	pinfo->bl_min = 1;
 
 	pinfo->lcdc.h_back_porch = 400;
 	pinfo->lcdc.h_front_porch = 272;