diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2021-02-23 11:36:19 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2021-02-23 11:36:19 +0100 |
| commit | 31d31fa52cec5da73f6c2c8908db3cfed7a88099 (patch) | |
| tree | 42c5225a8b664615f2535389dd71c37f41547ce7 /drivers/hid | |
| parent | fc590a35d54cde8a6c8f44b447987648f0375623 (diff) | |
| parent | c7aa374e0000daa89201fc29912b60081b269339 (diff) | |
Merge branch 'for-5.12/multitouch' into for-linus
- hid-multitouch devices should be put into high-latency mode when
suspended in order to be in line with Windows Precision Touchpad
guidelines. From Blaž Hrastnik.
Diffstat (limited to 'drivers/hid')
| -rw-r--r-- | drivers/hid/hid-multitouch.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 8429ebe7097e..9d9f3e1bd5f4 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -1747,6 +1747,13 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) } #ifdef CONFIG_PM +static int mt_suspend(struct hid_device *hdev, pm_message_t state) +{ + /* High latency is desirable for power savings during S3/S0ix */ + mt_set_modes(hdev, HID_LATENCY_HIGH, true, true); + return 0; +} + static int mt_reset_resume(struct hid_device *hdev) { mt_release_contacts(hdev); @@ -1762,6 +1769,8 @@ static int mt_resume(struct hid_device *hdev) hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE); + mt_set_modes(hdev, HID_LATENCY_NORMAL, true, true); + return 0; } #endif @@ -2155,6 +2164,7 @@ static struct hid_driver mt_driver = { .event = mt_event, .report = mt_report, #ifdef CONFIG_PM + .suspend = mt_suspend, .reset_resume = mt_reset_resume, .resume = mt_resume, #endif |