s5pc110: neptune: Enable bd60910gu backlight

diff --git a/board/samsung/universal/universal.c b/board/samsung/universal/universal.c
index 316077f..a44e104 100644 (file)
--- a/board/samsung/universal/universal.c
+++ b/board/samsung/universal/universal.c
@@ -1520,6 +1520,10 @@ void lcd_cfg_gpio(void)
        /* LCD_BACKLIGHT_EN */
        if (machine_is_geminus())
                gpio_cfg_pin(&gpio_base->gpio_mp0_5, 0, GPIO_OUTPUT);
+       if (board_is_neptune()) {
+               gpio_cfg_pin(&gpio_base->gpio_mp0_4, 4, GPIO_OUTPUT);
+               gpio_direction_output(&gpio_base->gpio_mp0_4, 4, 0);
+       }
 
        /*
         * gpio pad configuration for
@@ -1584,8 +1588,21 @@ void lcd_cfg_gpio(void)
        return;
 }
 
+#define SWRST_REG              0x00
+#define LEDCON_REG             0x01
+#define LED_CUR_SET_REG                0x03
+#define LED_CUR_TR_REG         0x08
+
+#define SWRST                  0x01
+#define NORMAL_MODE            0x01
+#define CUR_SET                        0x63
+#define TR_SET                 0x00
+
 void backlight_on(unsigned int onoff)
 {
+
+       unsigned char addr;
+       unsigned char val[2];
        struct s5pc110_gpio *gpio = (struct s5pc110_gpio *) S5PC110_GPIO_BASE;
 
        if (onoff) {
@@ -1595,6 +1612,31 @@ void backlight_on(unsigned int onoff)
                if (machine_is_geminus())
                        gpio_set_value(&gpio->gpio_mp0_5, 0, 0);
        }
+
+       if (board_is_neptune) {
+               gpio_set_value(&gpio->gpio_mp0_4, 4, 1);
+               udelay(6);
+
+               i2c_set_bus_num(I2C_GPIO5);
+
+               addr = 0x76;
+               if (i2c_probe(addr)) {
+                       if (i2c_probe(addr)) {
+                               printf("Can't found s6d16a0x backlight i2c\n");
+                               return;
+                       }
+               }
+               val[0] = SWRST;
+               i2c_write(addr, SWRST_REG, 1, val, 1);
+               /* NORMAL MODE */
+               val[0] = CUR_SET;
+               i2c_write(addr, LED_CUR_SET_REG, 1, val, 1);
+               val[0] = TR_SET;
+               i2c_write(addr, LED_CUR_TR_REG, 1, val, 1);
+               val[0] = NORMAL_MODE;
+               i2c_write(addr, LEDCON_REG, 1, val, 1);
+               udelay(5000);
+       }
 }
 
 void reset_lcd(void)
@@ -1776,7 +1818,7 @@ void init_panel_info(vidinfo_t *vid)
                vid->vl_vfpd    = 4;
 
                vid->cfg_gpio = lcd_cfg_gpio;
-               vid->backlight_on = NULL;
+               vid->backlight_on = backlight_on;
                vid->lcd_power_on = lcd_power_on;
                vid->reset_lcd = reset_lcd;
                vid->cfg_ldo = s6d16a0x_cfg_ldo;

diff --git a/drivers/video/s6d16a0x.c b/drivers/video/s6d16a0x.c
index 7a3024b..16b7353 100644 (file)
--- a/drivers/video/s6d16a0x.c
+++ b/drivers/video/s6d16a0x.c
@@ -363,7 +363,7 @@ static const unsigned short SEQ_PASET[] = {
 
 static const unsigned short SEQ_COLMOD[] = {
        0x3A, 0x77,
-       0x36, 0xC4,     /* MADCTL : Reverse display */
+       /* 0x36, 0xC4, */       /* MADCTL : Reverse display */
 
        ENDDEF, 0x0000
 };