BT: Bluetooth poweroff by default

PD#164170: BT: Optimize the bluetooth code structure

Change-Id: Iadc70c12f85c0ad48597f0066ae235b3d67716a9
Signed-off-by: Kuibao Zhang <kuibao.zhang@amlogic.com>

diff --git a/drivers/amlogic/bluetooth/bt_device.c b/drivers/amlogic/bluetooth/bt_device.c
index f9edbf5..dde4ee8 100644 (file)
--- a/drivers/amlogic/bluetooth/bt_device.c
+++ b/drivers/amlogic/bluetooth/bt_device.c
@@ -128,27 +128,26 @@ static void bt_device_on(struct bt_dev_data *pdata)
 
 static void bt_device_off(struct bt_dev_data *pdata)
 {
-       if (pdata->gpio_reset > 0) {
-
-               if ((pdata->power_on_pin_OD)
-                       && (pdata->power_low_level)) {
-                       gpio_direction_input(pdata->gpio_reset);
-               } else {
-                       gpio_direction_output(pdata->gpio_reset,
-                               pdata->power_low_level);
+       if (pdata->power_off_flag > 0) { /*bt rc wakeup by bcm.set it by dts*/
+               if (pdata->gpio_reset > 0) {
+                       if ((pdata->power_on_pin_OD)
+                                       && (pdata->power_low_level)) {
+                               gpio_direction_input(pdata->gpio_reset);
+                       } else {
+                               gpio_direction_output(pdata->gpio_reset,
+                                               pdata->power_low_level);
+                       }
                }
-       }
-       if (pdata->gpio_en > 0) {
-
-               if ((pdata->power_on_pin_OD)
-                       && (pdata->power_low_level)) {
-                       gpio_direction_input(pdata->gpio_en);
-               } else {
-                       set_usb_bt_power(0);
+               if (pdata->gpio_en > 0) {
+                       if ((pdata->power_on_pin_OD)
+                                       && (pdata->power_low_level)) {
+                               gpio_direction_input(pdata->gpio_en);
+                       } else {
+                               set_usb_bt_power(0);
+                       }
                }
+               msleep(20);
        }
-
-       msleep(20);
 }
 
 static int bt_set_block(void *data, bool blocked)
@@ -256,6 +255,11 @@ static int bt_probe(struct platform_device *pdev)
                if (ret)
                        pdata->power_on_pin_OD = 0;
                pr_info("bt: power_on_pin_OD = %d;\n", pdata->power_on_pin_OD);
+               ret = of_property_read_u32(pdev->dev.of_node,
+                               "power_off_flag", &pdata->power_off_flag);
+               if (ret)
+                       pdata->power_off_flag = 1;/*bt poweroff*/
+               pr_info("bt: power_off_flag = %d;\n", pdata->power_off_flag);
        } else {
                pdata = (struct bt_dev_data *)(pdev->dev.platform_data);
        }

diff --git a/include/linux/amlogic/bt_device.h b/include/linux/amlogic/bt_device.h
index f233dbe..01dfb0a 100644 (file)
--- a/include/linux/amlogic/bt_device.h
+++ b/include/linux/amlogic/bt_device.h
@@ -24,6 +24,7 @@ struct bt_dev_data {
        int gpio_hostwake;
        int power_low_level;
        int power_on_pin_OD;
+       int power_off_flag;
 };
 extern void set_usb_bt_power(int is_power);
 #endif