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HID: input: call input_sync() when automatically releasing a key

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We need to emit EV_SYN/SYN_REPORT between key press and release, otherwise
userspace is allowed to "swallow" the event.

[jkosina@suse.com: Dmitry says that he's observing this behavior with
 Plantronics headset]

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
This commit is contained in:
Dmitry Torokhov 2015-07-09 14:33:21 -07:00 committed by Jiri Kosina
parent 67e123ff0e
commit 3eb4351af4
1 changed files with 4 additions and 1 deletions
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5
drivers/hid/hid-input.c
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@ -1163,8 +1163,11 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct
input_event(input, usage->type, usage->code, value);
if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
if ((field->flags & HID_MAIN_ITEM_RELATIVE) &&
usage->type == EV_KEY && value) {
input_sync(input);
input_event(input, usage->type, usage->code, 0);
}
}
void hidinput_report_event(struct hid_device *hid, struct hid_report *report)