[PATCH v3 3/3] HID: lenovo: Add note about different report numbers

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From: ValdikSS <iam@xxxxxxxxxxxxxxx>

Signed-off-by: Florian Klink <flokli@xxxxxxxxx>
---
 drivers/hid/hid-lenovo.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/hid/hid-lenovo.c b/drivers/hid/hid-lenovo.c
index e9466ae8a9cb..7076407a6340 100644
--- a/drivers/hid/hid-lenovo.c
+++ b/drivers/hid/hid-lenovo.c
@@ -487,6 +487,11 @@ static int lenovo_send_cmd_cptkbd(struct hid_device *hdev,
 	if (!buf)
 		return -ENOMEM;
 
+	/*
+	* Feature report 0x13 is used for USB,
+	* output report 0x18 is used for Bluetooth.
+	* buf[0] is ignored by hid_hw_raw_request.
+	*/
 	buf[0] = 0x18;
 	buf[1] = byte2;
 	buf[2] = byte3;
-- 
2.34.1




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