diff options
Diffstat (limited to 'drivers/acpi/button.c')
| -rw-r--r-- | drivers/acpi/button.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index 7773e6b860e7..3c6dd9b4ba0a 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -24,6 +24,7 @@ #define ACPI_BUTTON_CLASS "button" #define ACPI_BUTTON_FILE_STATE "state" #define ACPI_BUTTON_TYPE_UNKNOWN 0x00 +#define ACPI_BUTTON_NOTIFY_WAKE 0x02 #define ACPI_BUTTON_NOTIFY_STATUS 0x80 #define ACPI_BUTTON_SUBCLASS_POWER "power" @@ -443,7 +444,12 @@ static void acpi_button_notify(acpi_handle handle, u32 event, void *data) struct input_dev *input; int keycode; - if (event != ACPI_BUTTON_NOTIFY_STATUS) { + switch (event) { + case ACPI_BUTTON_NOTIFY_STATUS: + break; + case ACPI_BUTTON_NOTIFY_WAKE: + break; + default: acpi_handle_debug(device->handle, "Unsupported event [0x%x]\n", event); return; @@ -452,7 +458,7 @@ static void acpi_button_notify(acpi_handle handle, u32 event, void *data) acpi_pm_wakeup_event(&device->dev); button = acpi_driver_data(device); - if (button->suspended) + if (button->suspended || event == ACPI_BUTTON_NOTIFY_WAKE) return; input = button->input; @@ -613,8 +619,10 @@ static int acpi_button_add(struct acpi_device *device) input_set_drvdata(input, device); error = input_register_device(input); - if (error) + if (error) { + input_free_device(input); goto err_remove_fs; + } switch (device->device_type) { case ACPI_BUS_TYPE_POWER_BUTTON: @@ -629,7 +637,7 @@ static int acpi_button_add(struct acpi_device *device) break; default: status = acpi_install_notify_handler(device->handle, - ACPI_DEVICE_NOTIFY, handler, + ACPI_ALL_NOTIFY, handler, device); break; } |