Add the uhid_output_report transport-driver function to the uhid driver.
Signed-off-by: Frank Praznik <frank.praznik@xxxxxxxxx>
---
drivers/hid/uhid.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c
index cedc6da..f5a2b19 100644
--- a/drivers/hid/uhid.c
+++ b/drivers/hid/uhid.c
@@ -244,12 +244,39 @@ static int uhid_hid_output_raw(struct hid_device *hid, __u8 *buf, size_t count,
return count;
}
+static int uhid_hid_output_report(struct hid_device *hid, __u8 *buf,
+ size_t count)
+{
+ struct uhid_device *uhid = hid->driver_data;
+ unsigned long flags;
+ struct uhid_event *ev;
+
+ if (count < 1 || count > UHID_DATA_MAX)
+ return -EINVAL;
+
+ ev = kzalloc(sizeof(*ev), GFP_KERNEL);
+ if (!ev)
+ return -ENOMEM;
+
+ ev->type = UHID_OUTPUT;
+ ev->u.output.size = count;
+ ev->u.output.rtype = UHID_OUTPUT_REPORT;
+ memcpy(ev->u.output.data, buf, count);
+
+ spin_lock_irqsave(&uhid->qlock, flags);
+ uhid_queue(uhid, ev);
+ spin_unlock_irqrestore(&uhid->qlock, flags);
+
+ return count;
+}
+
static struct hid_ll_driver uhid_hid_driver = {
.start = uhid_hid_start,
.stop = uhid_hid_stop,
.open = uhid_hid_open,
.close = uhid_hid_close,
.parse = uhid_hid_parse,
+ .output_report = uhid_hid_output_report,
};
#ifdef CONFIG_COMPAT
--
1.8.4.2
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