From: 张晴 <zhangqing@rock-chips.com>
Date: Mon, 5 Sep 2011 02:57:00 +0000 (-0700)
Subject: rk29-ddr3sdk:set keygpio pullup/down disable when in sleep
X-Git-Tag: firefly_0821_release~9767^2~41
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a5ee543b51e100e324f1c5f8207567cb20507dac;p=firefly-linux-kernel-4.4.55.git

rk29-ddr3sdk:set keygpio pullup/down disable when in sleep
---

diff --git a/arch/arm/mach-rk29/board-rk29-ddr3sdk.c b/arch/arm/mach-rk29/board-rk29-ddr3sdk.c
old mode 100644
new mode 100755
index 49311b77156d..92b6c95e9bb7
--- a/arch/arm/mach-rk29/board-rk29-ddr3sdk.c
+++ b/arch/arm/mach-rk29/board-rk29-ddr3sdk.c
@@ -164,6 +164,45 @@ struct rk29_nand_platform_data rk29_nand_data = {
 #define TOUCH_SCREEN_STANDBY_VALUE        GPIO_HIGH
 #define TOUCH_SCREEN_DISPLAY_PIN          INVALID_GPIO
 #define TOUCH_SCREEN_DISPLAY_VALUE        GPIO_HIGH
+
+#if 1
+void key_gpio_pullupdown_enable(void)
+{	 gpio_pull_updown(RK29_PIN6_PA0, 0);
+	 gpio_pull_updown(RK29_PIN6_PA1, 0);
+	 gpio_pull_updown(RK29_PIN6_PA2, 0);
+	 gpio_pull_updown(RK29_PIN6_PA3, 0);
+	 gpio_pull_updown(RK29_PIN6_PA4, 0);
+	 gpio_pull_updown(RK29_PIN6_PA5, 0);
+	 gpio_pull_updown(RK29_PIN6_PA6, 0);
+
+}
+void key_gpio_pullupdown_disable(void)
+{
+	 gpio_pull_updown(RK29_PIN6_PA0, 1);
+	 gpio_pull_updown(RK29_PIN6_PA1, 1);
+	 gpio_pull_updown(RK29_PIN6_PA2, 1);
+	 gpio_pull_updown(RK29_PIN6_PA3, 1);
+	 gpio_pull_updown(RK29_PIN6_PA4, 1);
+	 gpio_pull_updown(RK29_PIN6_PA5, 1);
+	 gpio_pull_updown(RK29_PIN6_PA6, 1);
+}
+void  rk29_setgpio_suspend_board(void)
+{	
+	
+	key_gpio_pullupdown_enable();
+	
+}
+
+void  rk29_setgpio_resume_board(void)
+{	 
+	
+	 key_gpio_pullupdown_disable();  
+
+ }
+#endif 
+
+
+
 #ifdef CONFIG_FB_RK29
 /*****************************************************************************************
  * lcd  devices
diff --git a/arch/arm/mach-rk29/gpio.c b/arch/arm/mach-rk29/gpio.c
old mode 100644
new mode 100755
index 634e97b28d41..a52071caa03c
--- a/arch/arm/mach-rk29/gpio.c
+++ b/arch/arm/mach-rk29/gpio.c
@@ -550,12 +550,22 @@ void __init rk29_gpio_init(void)
 	}
 	rk29_gpio_irq_setup();
 }
+__weak void rk29_setgpio_suspend_board(void)
+{
+}
+
+__weak void rk29_setgpio_resume_board(void)
+{
 
+}
 #ifdef CONFIG_PM
+
 static int rk29_gpio_suspend(struct sys_device *dev, pm_message_t mesg)
 {
 	unsigned i;
-
+	
+	rk29_setgpio_suspend_board();
+	
 	for (i = 0; i < MAX_BANK; i++) {
 		struct rk29_gpio_chip *rk29_gpio = &rk29gpio_chip[i];
 
@@ -572,7 +582,9 @@ static int rk29_gpio_suspend(struct sys_device *dev, pm_message_t mesg)
 static int rk29_gpio_resume(struct sys_device *dev)
 {
 	unsigned i;
-
+	
+	rk29_setgpio_resume_board();
+	
 	for (i = 0; i < MAX_BANK; i++) {
 		struct rk29_gpio_chip *rk29_gpio = &rk29gpio_chip[i];