From: wdc <wdc@rock-chips.com>
Date: Fri, 10 Jun 2011 04:26:53 +0000 (+0800)
Subject: rk29_phone: 解决先激活蓝牙,再激活wifi时,提示出错的问题，增加对gpio WIFI_RST的控制
X-Git-Tag: firefly_0821_release~10211
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3e84f43c06491f17951dd8eaf2b4cf1a459aeb09;p=firefly-linux-kernel-4.4.55.git

rk29_phone: 解决先激活蓝牙,再激活wifi时,提示出错的问题，增加对gpio WIFI_RST的控制
---

diff --git a/arch/arm/mach-rk29/board-rk29-a22.c b/arch/arm/mach-rk29/board-rk29-a22.c
old mode 100644
new mode 100755
index d46125925c36..47800e6f62db
--- a/arch/arm/mach-rk29/board-rk29-a22.c
+++ b/arch/arm/mach-rk29/board-rk29-a22.c
@@ -2280,8 +2280,8 @@ static int rk29sdk_wifi_bt_gpio_control_init(void)
     }
 
     gpio_direction_output(RK29SDK_WIFI_BT_GPIO_POWER_N, GPIO_LOW);
-    gpio_direction_output(RK29SDK_WIFI_GPIO_RESET_N,    GPIO_HIGH);
-    gpio_direction_output(RK29SDK_BT_GPIO_RESET_N,      GPIO_HIGH);
+    gpio_direction_output(RK29SDK_WIFI_GPIO_RESET_N,    GPIO_LOW);
+    gpio_direction_output(RK29SDK_BT_GPIO_RESET_N,      GPIO_LOW);
 
     pr_info("%s: init finished\n",__func__);
 
@@ -2292,18 +2292,20 @@ static int rk29sdk_wifi_power(int on)
 {
         pr_info("%s: %d\n", __func__, on);
         if (on){
-                gpio_set_value(RK29SDK_WIFI_BT_GPIO_POWER_N, on);
+                gpio_set_value(RK29SDK_WIFI_BT_GPIO_POWER_N, GPIO_HIGH);
+                gpio_set_value(RK29SDK_WIFI_GPIO_RESET_N, GPIO_HIGH);
                 mdelay(100);
                 pr_info("wifi turn on power\n");
         }else{
                 if (!rk29sdk_bt_power_state){
-                        gpio_set_value(RK29SDK_WIFI_BT_GPIO_POWER_N, on);
+                        gpio_set_value(RK29SDK_WIFI_BT_GPIO_POWER_N, GPIO_LOW);
                         mdelay(100);
                         pr_info("wifi shut off power\n");
                 }else
                 {
                         pr_info("wifi shouldn't shut off power, bt is using it!\n");
                 }
+                gpio_set_value(RK29SDK_WIFI_GPIO_RESET_N, GPIO_LOW);
 
         }
 
diff --git a/arch/arm/mach-rk29/board-rk29-phonesdk.c b/arch/arm/mach-rk29/board-rk29-phonesdk.c
index ff96ccb625ea..fc8f4c76a46a 100755
--- a/arch/arm/mach-rk29/board-rk29-phonesdk.c
+++ b/arch/arm/mach-rk29/board-rk29-phonesdk.c
@@ -2178,8 +2178,8 @@ static int rk29sdk_wifi_bt_gpio_control_init(void)
     }
 
     gpio_direction_output(RK29SDK_WIFI_BT_GPIO_POWER_N, GPIO_LOW);
-    gpio_direction_output(RK29SDK_WIFI_GPIO_RESET_N,    GPIO_HIGH);
-    gpio_direction_output(RK29SDK_BT_GPIO_RESET_N,      GPIO_HIGH);
+    gpio_direction_output(RK29SDK_WIFI_GPIO_RESET_N,    GPIO_LOW);
+    gpio_direction_output(RK29SDK_BT_GPIO_RESET_N,      GPIO_LOW);
 
     pr_info("%s: init finished\n",__func__);
 
@@ -2190,18 +2190,20 @@ static int rk29sdk_wifi_power(int on)
 {
         pr_info("%s: %d\n", __func__, on);
         if (on){
-                gpio_set_value(RK29SDK_WIFI_BT_GPIO_POWER_N, on);
+                gpio_set_value(RK29SDK_WIFI_BT_GPIO_POWER_N, GPIO_HIGH);
+                gpio_set_value(RK29SDK_WIFI_GPIO_RESET_N, GPIO_HIGH);
                 mdelay(100);
                 pr_info("wifi turn on power\n");
         }else{
                 if (!rk29sdk_bt_power_state){
-                        gpio_set_value(RK29SDK_WIFI_BT_GPIO_POWER_N, on);
+                        gpio_set_value(RK29SDK_WIFI_BT_GPIO_POWER_N, GPIO_LOW);
                         mdelay(100);
                         pr_info("wifi shut off power\n");
                 }else
                 {
                         pr_info("wifi shouldn't shut off power, bt is using it!\n");
                 }
+                gpio_set_value(RK29SDK_WIFI_GPIO_RESET_N, GPIO_LOW);
 
         }