diff options
| -rw-r--r-- | include/linux/hid.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/hid.h b/include/linux/hid.h index 10e922cee4eb..51a4dad3565e 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -800,6 +800,7 @@ struct hid_driver { * @raw_request: send raw report request to device (e.g. feature report) * @output_report: send output report to device * @idle: send idle request to device + * @may_wakeup: return if device may act as a wakeup source during system-suspend */ struct hid_ll_driver { int (*start)(struct hid_device *hdev); @@ -824,6 +825,7 @@ struct hid_ll_driver { int (*output_report) (struct hid_device *hdev, __u8 *buf, size_t len); int (*idle)(struct hid_device *hdev, int report, int idle, int reqtype); + bool (*may_wakeup)(struct hid_device *hdev); }; extern struct hid_ll_driver i2c_hid_ll_driver; @@ -1150,6 +1152,22 @@ static inline int hid_hw_idle(struct hid_device *hdev, int report, int idle, } /** + * hid_may_wakeup - return if the hid device may act as a wakeup source during system-suspend + * + * @hdev: hid device + */ +static inline bool hid_hw_may_wakeup(struct hid_device *hdev) +{ + if (hdev->ll_driver->may_wakeup) + return hdev->ll_driver->may_wakeup(hdev); + + if (hdev->dev.parent) + return device_may_wakeup(hdev->dev.parent); + + return false; +} + +/** * hid_hw_wait - wait for buffered io to complete * * @hdev: hid device |