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[v2,3/3] HID: lenovo: Add note about different report numbers

Message ID 20211216224611.440397-4-iam@valdikss.org.ru
State Accepted
Commit 5c9b8fae88bc2f629926b7949dbc3672d4fbdad2
Headers show
Series HID: lenovo: ThinkPad TrackPoint Keyboard II support | expand

Commit Message

ValdikSS Dec. 16, 2021, 10:46 p.m. UTC 
---
 drivers/hid/hid-lenovo.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/drivers/hid/hid-lenovo.c b/drivers/hid/hid-lenovo.c
index e9466ae8a..7076407a6 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;