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board-rk29-ddr3sdk: modify for touch screen standby

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This commit is contained in:
蔡枫
2011-04-21 13:35:52 +08:00
parent 9e216ec262
commit 6877f5cc01
3 changed files with 49 additions and 9 deletions
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36
arch/arm/mach-rk29/board-rk29-ddr3sdk.c
View File

@@ -131,7 +131,7 @@ struct rk29_nand_platform_data rk29_nand_data = {
*****************************************************************************************/
#define FB_ID 0
#define FB_DISPLAY_ON_PIN RK29_PIN6_PD0
#define FB_LCD_STANDBY_PIN RK29_PIN6_PD1
#define FB_LCD_STANDBY_PIN INVALID_GPIO
#define FB_LCD_CABC_EN_PIN RK29_PIN6_PD2
#define FB_MCU_FMK_PIN INVALID_GPIO
@@ -139,6 +139,13 @@ struct rk29_nand_platform_data rk29_nand_data = {
#define FB_LCD_STANDBY_VALUE GPIO_HIGH
//#endif
/*****************************************************************************************
* touch screen devices
* author: cf@rock-chips.com
*****************************************************************************************/
#define TOUCH_SCREEN_STANDBY_PIN RK29_PIN6_PD1
#define TOUCH_SCREEN_STANDBY_VALUE GPIO_HIGH
static int rk29_lcd_io_init(void)
{
int ret = 0;
@@ -183,14 +190,28 @@ static int rk29_fb_io_init(struct rk29_fb_setting_info *fb_setting)
}
}
if(fb_setting->disp_on_en && (FB_LCD_STANDBY_PIN != INVALID_GPIO))
if(fb_setting->disp_on_en)
{
ret = gpio_request(FB_LCD_STANDBY_PIN, NULL);
if(ret != 0)
if(FB_LCD_STANDBY_PIN != INVALID_GPIO)
{
gpio_free(FB_LCD_STANDBY_PIN);
printk(">>>>>> FB_LCD_STANDBY_PIN gpio_request err \n ");
ret = gpio_request(FB_LCD_STANDBY_PIN, NULL);
if(ret != 0)
{
gpio_free(FB_LCD_STANDBY_PIN);
printk(">>>>>> FB_LCD_STANDBY_PIN gpio_request err \n ");
}
}
else
{
ret = gpio_request(TOUCH_SCREEN_STANDBY_PIN, NULL);
if(ret != 0)
{
gpio_free(TOUCH_SCREEN_STANDBY_PIN);
printk(">>>>>> TOUCH_SCREEN_STANDBY_PIN gpio_request err \n ");
}
gpio_direction_output(TOUCH_SCREEN_STANDBY_PIN, 0);
gpio_set_value(TOUCH_SCREEN_STANDBY_PIN, TOUCH_SCREEN_STANDBY_VALUE);
}
}
if(FB_LCD_CABC_EN_PIN != INVALID_GPIO)
@@ -387,7 +408,8 @@ static int EETI_EGALAX_init_platform_hw(void)
static struct eeti_egalax_platform_data eeti_egalax_info = {
.model= 1003,
.init_platform_hw= EETI_EGALAX_init_platform_hw,
.standby_pin = TOUCH_SCREEN_STANDBY_PIN,
.standby_value = TOUCH_SCREEN_STANDBY_VALUE,
};
#endif
/*MMA8452 gsensor*/

3
arch/arm/mach-rk29/include/mach/board.h
View File

@@ -152,6 +152,9 @@ struct eeti_egalax_platform_data{
int (*eeti_egalax_platform_sleep)(void);
int (*eeti_egalax_platform_wakeup)(void);
void (*exit_platform_hw)(void);
int standby_pin;
int standby_value;
};
/*sintex touch*/

19
drivers/input/touchscreen/eeti_egalax_i2c.c
View File

@@ -496,6 +496,21 @@ static irqreturn_t egalax_i2c_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
void egalax_i2c_set_standby(struct i2c_client *client, int enable)
{
struct eeti_egalax_platform_data *pdata = pdata = client->dev.platform_data;
unsigned lcd_standby = pdata->standby_pin;
int lcd_standby_pol = pdata->standby_value;
printk("%s : %s, enable = %d", __FILE__, __FUNCTION__,enable);
// set display_on
if(lcd_standby != INVALID_GPIO)
{
gpio_direction_output(lcd_standby, 0);
gpio_set_value(lcd_standby, enable ? lcd_standby_pol : !lcd_standby_pol);
}
}
#ifdef CONFIG_PM
static int egalax_i2c_suspend(struct i2c_client *client, pm_message_t mesg)
{
@@ -518,14 +533,14 @@ static int egalax_i2c_suspend(struct i2c_client *client, pm_message_t mesg)
{
printk(KERN_DEBUG "[egalax_i2c]: device_may_wakeup false\n");
}
egalax_i2c_set_standby(client, 1);
return 0;
}
static int egalax_i2c_resume(struct i2c_client *client)
{
struct _egalax_i2c *egalax_i2c = i2c_get_clientdata(client);
egalax_i2c_set_standby(client, 0);
if(device_may_wakeup(&client->dev))
{
disable_irq_wake(p_egalax_i2c_dev->irq);