diff options
| -rw-r--r-- | drivers/platform/x86/toshiba_bluetooth.c | 47 |
1 files changed, 46 insertions, 1 deletions
diff --git a/drivers/platform/x86/toshiba_bluetooth.c b/drivers/platform/x86/toshiba_bluetooth.c index 249800763362..a619ba67b9d4 100644 --- a/drivers/platform/x86/toshiba_bluetooth.c +++ b/drivers/platform/x86/toshiba_bluetooth.c @@ -34,6 +34,14 @@ MODULE_AUTHOR("Jes Sorensen <Jes.Sorensen@gmail.com>"); MODULE_DESCRIPTION("Toshiba Laptop ACPI Bluetooth Enable Driver"); MODULE_LICENSE("GPL"); +struct toshiba_bluetooth_dev { + struct acpi_device *acpi_dev; + + bool killswitch; + bool plugged; + bool powered; +}; + static int toshiba_bt_rfkill_add(struct acpi_device *device); static int toshiba_bt_rfkill_remove(struct acpi_device *device); static void toshiba_bt_rfkill_notify(struct acpi_device *device, u32 event); @@ -165,6 +173,25 @@ static int toshiba_bluetooth_disable(acpi_handle handle) return 0; } +/* Helper function */ +static int toshiba_bluetooth_sync_status(struct toshiba_bluetooth_dev *bt_dev) +{ + int status; + + status = toshiba_bluetooth_status(bt_dev->acpi_dev->handle); + if (status < 0) { + pr_err("Could not sync bluetooth device status\n"); + return status; + } + + bt_dev->killswitch = (status & BT_KILLSWITCH_MASK) ? true : false; + bt_dev->plugged = (status & BT_PLUGGED_MASK) ? true : false; + bt_dev->powered = (status & BT_POWER_MASK) ? true : false; + + return 0; +} + +/* ACPI driver functions */ static void toshiba_bt_rfkill_notify(struct acpi_device *device, u32 event) { toshiba_bluetooth_enable(device->handle); @@ -179,6 +206,7 @@ static int toshiba_bt_resume(struct device *dev) static int toshiba_bt_rfkill_add(struct acpi_device *device) { + struct toshiba_bluetooth_dev *bt_dev; int result; result = toshiba_bluetooth_present(device->handle); @@ -187,17 +215,34 @@ static int toshiba_bt_rfkill_add(struct acpi_device *device) pr_info("Toshiba ACPI Bluetooth device driver\n"); + bt_dev = kzalloc(sizeof(*bt_dev), GFP_KERNEL); + if (!bt_dev) + return -ENOMEM; + bt_dev->acpi_dev = device; + device->driver_data = bt_dev; + dev_set_drvdata(&device->dev, bt_dev); + + result = toshiba_bluetooth_sync_status(bt_dev); + if (result) { + kfree(bt_dev); + return result; + } + /* Enable the BT device */ result = toshiba_bluetooth_enable(device->handle); if (result) - return result; + kfree(bt_dev); return result; } static int toshiba_bt_rfkill_remove(struct acpi_device *device) { + struct toshiba_bluetooth_dev *bt_dev = acpi_driver_data(device); + /* clean up */ + kfree(bt_dev); + return toshiba_bluetooth_disable(device->handle); } |