aleph/lkl_linux
1
0
Fork 0
mirror of https://github.com/lkl/linux.git synced 2025-12-19 08:03:01 +09:00
Code Issues Packages Projects Releases Wiki Activity

Merge branch 'for-5.14/multitouch' into for-linus

Browse Source 
- patch series that ensures that hid-multitouch driver disables touch and
  button-press reporting on hid-mt devices during suspend when the device is
  not configured as a wakeup-source, from Hans de Goede
This commit is contained in:
Jiri Kosina
2021-06-30 09:15:15 +02:00
parent 8f4ef88eba 498d0ddc6a
commit b3e2964254
4 changed files with 36 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
include/linux/hid.h
View File

@@ -801,6 +801,7 @@ 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);
@@ -825,6 +826,7 @@ 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,
return 0;
}
/**
* 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
*