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add standby for lcd_ili9803_cpt4_3

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This commit is contained in:
luowei
2011-03-23 11:55:30 +08:00
parent 497d73bf43
commit 3f45c08ed4
1 changed files with 38 additions and 29 deletions
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67
drivers/video/display/screen/lcd_ili9803_cpt4_3.c
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@@ -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);
}