From 3f45c08ed4e10918910db379173d9e036146c97a Mon Sep 17 00:00:00 2001
From: luowei <lw@rock-chips.com>
Date: Wed, 23 Mar 2011 11:55:30 +0800
Subject: [PATCH] add standby for lcd_ili9803_cpt4_3
---
.../video/display/screen/lcd_ili9803_cpt4_3.c | 67 +++++++++++--------
1 file changed, 38 insertions(+), 29 deletions(-)
diff --git a/drivers/video/display/screen/lcd_ili9803_cpt4_3.c b/drivers/video/display/screen/lcd_ili9803_cpt4_3.c
index 8964d8932903..b41a8dc86257 100755
--- a/drivers/video/display/screen/lcd_ili9803_cpt4_3.c
+++ b/drivers/video/display/screen/lcd_ili9803_cpt4_3.c
@@ -163,8 +163,8 @@ int init(void)
{
volatile u32 data;
- if(gLcd_info)
- gLcd_info->io_init();
+ if(gLcd_info)
+ gLcd_info->io_init();
printk("lcd init...\n");
spi_screenreg_cmd(0xB1);
@@ -272,51 +272,60 @@ int init(void)
spi_screenreg_cmd(0x29);
mdelay(10);
spi_screenreg_cmd(0x2C);
- if(gLcd_info)
- gLcd_info->io_deinit();
+ if(gLcd_info)
+ gLcd_info->io_deinit();
return 0;
}
int standby(u8 enable) //***enable =1 means suspend, 0 means resume
{
-
+#if 1
if(gLcd_info)
gLcd_info->io_init();
- #if 0
+
if(enable) {
- spi_screenreg_set(0x10, 0xffff, 0xffff);
- spi_screenreg_set(0x28, 0xffff, 0xffff);
+ spi_screenreg_cmd(0xB7);
+ spi_screenreg_param(0x0f);
} else {
- spi_screenreg_set(0x29, 0xffff, 0xffff);
- spi_screenreg_set(0x11, 0xffff, 0xffff);
+ CS_OUT() ;
+ for(int i=0;i<6;i++)
+ {
+ CS_SET();
+ DRVDelayUs(1);
+ CS_CLR();
+ DRVDelayUs(1);
+ CS_SET();
+ mdelay(2);
+ }
}
- #endif
+
if(gLcd_info)
gLcd_info->io_deinit();
+#endif
return 0;
}
+
void set_backlight(int brightness)
{
-#if 0
- if (g_spi != NULL)
- {
- fbprintk("AMS369FG06:set_backlight = %d\r\n", brightness);
- if (brightness < 0)
- {
- brightness = 0;
- }
- if (brightness > 4)
- {
- brightness = 4;
- }
+#if 1
+ if(gLcd_info)
+ gLcd_info->io_init();
- g_backlight_level = brightness;
- write_data(pBrighenessLevel[brightness], ARRAY_SIZE(pBrighenessLevel[brightness]));
+ printk("lcd_ili9803:set_backlight = %d\r\n", brightness);
+ if (brightness < 0)
+ {
+ brightness = 0;
}
+ if (brightness > 4)
+ {
+ brightness = 4;
+ }
+ spi_screenreg_cmd(0x51);
+ spi_screenreg_param(brightness<<5);
+
+ if(gLcd_info)
+ gLcd_info->io_deinit();
+
#endif
}
-void rk2818_backlight_ctl(int suspend)
-{
- standby(suspend);
-}
\ No newline at end of file
--
2.34.1