Bluetooth: Implement raw output support for HIDP layer

Implement raw output callback which is used by hidraw to send raw data to
the underlying device.

Without this patch, the userspace hidraw-based applications can't send
output reports to HID Bluetooth devices.

Reported-and-tested-by: Brian Gunn <bgunn@solekai.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index 49d8495d69be04bf2948e5467d6115eb0f7aa192..569750010fd320518001adf61ea501a577f5feb7 100644 (file)
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -280,6 +280,13 @@ static int hidp_send_report(struct hidp_session *session, struct hid_report *rep
        return hidp_queue_report(session, buf, rsize);
 }
 
+static int hidp_output_raw_report(struct hid_device *hid, unsigned char *data, size_t count)
+{
+       if (hidp_queue_report(hid->driver_data, data, count))
+               return -ENOMEM;
+       return count;
+}
+
 static void hidp_idle_timeout(unsigned long arg)
 {
        struct hidp_session *session = (struct hidp_session *) arg;
@@ -785,6 +792,8 @@ static int hidp_setup_hid(struct hidp_session *session,
        hid->dev.parent = hidp_get_device(session);
        hid->ll_driver = &hidp_hid_driver;
 
+       hid->hid_output_raw_report = hidp_output_raw_report;
+
        err = hid_add_device(hid);
        if (err < 0)
                goto failed;