[PATCH 1/1] Drivers: hid: hid-hyperv: Implement a stub raw_request() entry point

From: K. Y. Srinivasan
Date: Fri Mar 28 2014 - 19:47:55 EST


commit 3c86726cfe38952f0366f86acfbbb025813ec1c2
Author: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
Date: Thu Feb 20 15:24:49 2014 -0500

HID: make .raw_request mandatory

SET_REPORT and GET_REPORT are mandatory in the HID specification.
Make the corresponding API in hid-core mandatory too, which removes the
need to test against it in some various places.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
Reviewed-by: David Herrmann <dh.herrmann@xxxxxxxxx>
Signed-off-by: Jiri Kosina <jkosina@xxxxxxx>

Made .raw_request mandatory and broke the Hyper-V mouse driver. This patch
fixes the problem.

Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
---
drivers/hid/hid-hyperv.c | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/drivers/hid/hid-hyperv.c b/drivers/hid/hid-hyperv.c
index c24908f..89a9234 100644
--- a/drivers/hid/hid-hyperv.c
+++ b/drivers/hid/hid-hyperv.c
@@ -460,12 +460,22 @@ static void mousevsc_hid_stop(struct hid_device *hid)
{
}

+static int mousevsc_hid_raw_request(struct hid_device *hid,
+ unsigned char report_num,
+ __u8 buf, size_t len,
+ unsigned char rtype,
+ int reqtype)
+{
+ return 0;
+}
+
static struct hid_ll_driver mousevsc_ll_driver = {
.parse = mousevsc_hid_parse,
.open = mousevsc_hid_open,
.close = mousevsc_hid_close,
.start = mousevsc_hid_start,
.stop = mousevsc_hid_stop,
+ .raw_request = mousevsc_hid_raw_request,
};

static struct hid_driver mousevsc_hid_driver;
--
1.7.4.1

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