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Commit 706daeff authored by Benjamin Tissoires's avatar Benjamin Tissoires Committed by Jiri Kosina
Browse files

HID: uHID: implement .raw_request 



uHID is missing a SET_REPORT protocol implementation, but as
.hid_get_raw_report() as been removed from struct hid_device,
there were no means to access GET_REPORT in uhid.

Signed-off-by: default avatarBenjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: default avatarDavid Herrmann <dh.herrmann@gmail.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 289a7162

drivers/hid/uhid.c

+16 −0
Original line number Diff line number Diff line
@@ -250,6 +250,21 @@ static int uhid_hid_output_report(struct hid_device *hid, __u8 *buf, 
	return uhid_hid_output_raw(hid, buf, count, HID_OUTPUT_REPORT);

}



static int uhid_raw_request(struct hid_device *hid, unsigned char reportnum,

			    __u8 *buf, size_t len, unsigned char rtype,

			    int reqtype)

{

	switch (reqtype) {

	case HID_REQ_GET_REPORT:

		return uhid_hid_get_raw(hid, reportnum, buf, len, rtype);

	case HID_REQ_SET_REPORT:

		/* TODO: implement proper SET_REPORT functionality */

		return -ENOSYS;

	default:

		return -EIO;

	}

}



static struct hid_ll_driver uhid_hid_driver = {

	.start = uhid_hid_start,

	.stop = uhid_hid_stop,
@@ -257,6 +272,7 @@ static struct hid_ll_driver uhid_hid_driver = { 
	.close = uhid_hid_close,

	.parse = uhid_hid_parse,

	.output_report = uhid_hid_output_report,

	.raw_request = uhid_raw_request,

};



#ifdef CONFIG_COMPAT