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rk3066b m701:change screen stb timing

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This commit is contained in:
yzq
2012-10-10 15:08:12 +08:00
parent a330e24830
commit 3ae156406a
1 changed files with 27 additions and 22 deletions
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49
arch/arm/mach-rk30/board-rk3066b-m701.c
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@@ -604,6 +604,22 @@ static int rk_fb_io_init(struct rk29_fb_setting_info *fb_setting)
{
int ret = 0;
if(LCD_STB_PIN !=INVALID_GPIO)
{
ret = gpio_request(LCD_STB_PIN, NULL);
if (ret != 0)
{
gpio_free(LCD_STB_PIN);
printk(KERN_ERR "request lcd en pin fail!\n");
return -1;
}
else
{
gpio_direction_output(LCD_STB_PIN, LCD_STB_VALUE);
}
}
msleep(100);
if(LCD_CS_PIN !=INVALID_GPIO)
{
ret = gpio_request(LCD_CS_PIN, NULL);
@@ -634,25 +650,16 @@ static int rk_fb_io_init(struct rk29_fb_setting_info *fb_setting)
}
}
if(LCD_STB_PIN !=INVALID_GPIO)
{
ret = gpio_request(LCD_STB_PIN, NULL);
if (ret != 0)
{
gpio_free(LCD_STB_PIN);
printk(KERN_ERR "request lcd en pin fail!\n");
return -1;
}
else
{
gpio_direction_output(LCD_STB_PIN, LCD_STB_VALUE);
}
}
return 0;
}
static int rk_fb_io_disable(void)
{
if(LCD_STB_PIN !=INVALID_GPIO)
{
gpio_set_value(LCD_STB_PIN, !LCD_STB_VALUE);
}
msleep(50);
if(LCD_CS_PIN !=INVALID_GPIO)
{
gpio_set_value(LCD_CS_PIN, !LCD_CS_VALUE);
@@ -661,14 +668,16 @@ static int rk_fb_io_disable(void)
{
gpio_set_value(LCD_EN_PIN, !LCD_EN_VALUE);
}
if(LCD_STB_PIN !=INVALID_GPIO)
{
gpio_set_value(LCD_STB_PIN, !LCD_STB_VALUE);
}
return 0;
}
static int rk_fb_io_enable(void)
{
if(LCD_STB_PIN !=INVALID_GPIO)
{
gpio_set_value(LCD_STB_PIN, LCD_STB_VALUE);
}
msleep(50);
if(LCD_CS_PIN !=INVALID_GPIO)
{
gpio_set_value(LCD_CS_PIN, LCD_CS_VALUE);
@@ -677,10 +686,6 @@ static int rk_fb_io_enable(void)
{
gpio_set_value(LCD_EN_PIN, LCD_EN_VALUE);
}
if(LCD_STB_PIN !=INVALID_GPIO)
{
gpio_set_value(LCD_STB_PIN, LCD_STB_VALUE);
}
return 0;
}