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-rw-r--r--drivers/bluetooth/Kconfig10
-rw-r--r--drivers/bluetooth/btusb.c7
2 files changed, 17 insertions, 0 deletions
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index 60e1c7d6986d..eb4101aee787 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -31,6 +31,16 @@ config BT_HCIBTUSB
Say Y here to compile support for Bluetooth USB devices into the
kernel or say M to compile it as module (btusb).
+config BT_HCIBTUSB_AUTOSUSPEND
+ bool "Enable USB autosuspend for Bluetooth USB devices by default.
+ depends on BT_HCIBTUSB
+ help
+ Say Y here to enable USB autosuspend for Bluetooth USB devices by
+ default.
+
+ This can be overridden by passing btusb.enable_autosuspend=[y|n]
+ on the kernel commandline.
+
config BT_HCIBTUSB_BCM
bool "Broadcom protocol support"
depends on BT_HCIBTUSB
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index f7120c9eb9bd..808c249845db 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -40,6 +40,7 @@
static bool disable_scofix;
static bool force_scofix;
+static bool enable_autosuspend = IS_ENABLED(CONFIG_BT_HCIBTUSB_AUTOSUSPEND);
static bool reset = true;
@@ -3213,6 +3214,9 @@ static int btusb_probe(struct usb_interface *intf,
}
#endif
+ if (enable_autosuspend)
+ usb_enable_autosuspend(data->udev);
+
err = hci_register_dev(hdev);
if (err < 0)
goto out_free_dev;
@@ -3425,6 +3429,9 @@ MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
module_param(force_scofix, bool, 0644);
MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
+module_param(enable_autosuspend, bool, 0644);
+MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default");
+
module_param(reset, bool, 0644);
MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");