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board rk30 sdk:modify fb_io_enable/disable function

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This commit is contained in:
yxj
2013-01-22 16:17:15 +08:00
parent 1159a4907f
commit 08f41d9e25
1 changed files with 43 additions and 25 deletions
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68
arch/arm/mach-rk30/board-rk30-sdk.c
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@@ -651,52 +651,70 @@ static struct sensor_platform_data light_stk3171_info = {
#endif
#ifdef CONFIG_FB_ROCKCHIP
#define LCD_CS_MUX_NAME GPIO4C7_SMCDATA7_TRACEDATA7_NAME
#define LCD_CS_PIN RK30_PIN4_PC7
#define LCD_CS_VALUE GPIO_HIGH
#define LCD_EN_MUX_NAME GPIO4C7_SMCDATA7_TRACEDATA7_NAME
#define LCD_EN_PIN RK30_PIN6_PB4
#define LCD_EN_VALUE GPIO_LOW
static int rk_fb_io_init(struct rk29_fb_setting_info *fb_setting)
{
int ret = 0;
rk30_mux_api_set(LCD_CS_MUX_NAME, GPIO4C_GPIO4C7);
ret = gpio_request(LCD_CS_PIN, NULL);
if (ret != 0)
if(LCD_CS_PIN != INVALID_GPIO)
{
gpio_free(LCD_CS_PIN);
printk(KERN_ERR "request lcd cs pin fail!\n");
return -1;
ret = gpio_request(LCD_CS_PIN, NULL);
if (ret != 0)
{
gpio_free(LCD_CS_PIN);
printk(KERN_ERR "request lcd cs pin fail!\n");
return -1;
}
else
{
gpio_direction_output(LCD_CS_PIN, LCD_CS_VALUE);
}
}
else
if(LCD_EN_PIN != INVALID_GPIO)
{
gpio_direction_output(LCD_CS_PIN, LCD_CS_VALUE);
}
ret = gpio_request(LCD_EN_PIN, NULL);
if (ret != 0)
{
gpio_free(LCD_EN_PIN);
printk(KERN_ERR "request lcd en pin fail!\n");
return -1;
}
else
{
gpio_direction_output(LCD_EN_PIN, LCD_EN_VALUE);
ret = gpio_request(LCD_EN_PIN, NULL);
if (ret != 0)
{
gpio_free(LCD_EN_PIN);
printk(KERN_ERR "request lcd en pin fail!\n");
return -1;
}
else
{
gpio_direction_output(LCD_EN_PIN, LCD_EN_VALUE);
}
}
return 0;
}
static int rk_fb_io_disable(void)
{
gpio_set_value(LCD_CS_PIN, LCD_CS_VALUE? 0:1);
gpio_set_value(LCD_EN_PIN, LCD_EN_VALUE? 0:1);
if(LCD_CS_PIN != INVALID_GPIO)
{
gpio_set_value(LCD_CS_PIN, !LCD_CS_VALUE);
}
if(LCD_EN_PIN != INVALID_GPIO)
{
gpio_set_value(LCD_EN_PIN, !LCD_EN_VALUE);
}
return 0;
}
static int rk_fb_io_enable(void)
{
gpio_set_value(LCD_CS_PIN, LCD_CS_VALUE);
gpio_set_value(LCD_EN_PIN, LCD_EN_VALUE);
if(LCD_CS_PIN != INVALID_GPIO)
{
gpio_set_value(LCD_CS_PIN, LCD_CS_VALUE);
}
if(LCD_EN_PIN != INVALID_GPIO)
{
gpio_set_value(LCD_EN_PIN, LCD_EN_VALUE);
}
return 0;
}