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Commit 24750f3e authored by Henrik Rydberg's avatar Henrik Rydberg Committed by Jiri Kosina
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HID: Add a hid quirk for input sync override 



As of lately, HID devices which send per-frame data split over several
HID reports have started to emerge. This patch adds a quirk which
allows the HID driver to take over the input layer synchronization,
and hence the control of the frame boundary.

Signed-off-by: default avatarHenrik Rydberg <rydberg@euromail.se>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 9c03f162

drivers/hid/hid-input.c

+3 −0
Original line number Diff line number Diff line
@@ -659,6 +659,9 @@ void hidinput_report_event(struct hid_device *hid, struct hid_report *report) 
{

	struct hid_input *hidinput;



	if (hid->quirks & HID_QUIRK_NO_INPUT_SYNC)

		return;



	list_for_each_entry(hidinput, &hid->inputs, list)

		input_sync(hidinput->input);

}

include/linux/hid.h

+1 −0
Original line number Diff line number Diff line
@@ -316,6 +316,7 @@ struct hid_item { 
#define HID_QUIRK_FULLSPEED_INTERVAL		0x10000000

#define HID_QUIRK_NO_INIT_REPORTS		0x20000000

#define HID_QUIRK_NO_IGNORE			0x40000000

#define HID_QUIRK_NO_INPUT_SYNC			0x80000000



/*

 * This is the global environment of the parser. This information is