diff options
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 |