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HID: usbhid: no flushing if device is already polled

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During open() it is unnecessary to wait for the device to flush
stale inputs if the device is polled while closed due to a quirk
or opening fails.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
This commit is contained in:
Oliver Neukum 2015-06-29 11:10:41 +02:00 committed by Jiri Kosina
parent 67db8a8086
commit 615322f6ac
1 changed files with 2 additions and 1 deletions
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1
drivers/hid/usbhid/hid-core.c
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@ -710,6 +710,7 @@ int usbhid_open(struct hid_device *hid)
* Wait 50 msec for the queue to empty before allowing events
* to go through hid.
*/
if (res == 0 && !(hid->quirks & HID_QUIRK_ALWAYS_POLL))
msleep(50);
clear_bit(HID_RESUME_RUNNING, &usbhid->iofl);
}