linux-kernel - [PATCH 14/17] HID: logitech-hidpp: do not query the name through HID++ for 1.0 devices

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Date:   Tue, 17 Jan 2017 15:35:44 +0100
From:   Benjamin Tissoires <benjamin.tissoires@...hat.com>
To:     Jiri Kosina <jikos@...nel.org>, Bastien Nocera <hadess@...ess.net>,
        Peter Hutterer <peter.hutterer@...-t.net>,
        Nestor Lopez Casado <nlopezcasad@...itech.com>,
        Olivier Gay <ogay@...itech.com>,
        Simon Wood <simon@...gewell.org>
Cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 14/17] HID: logitech-hidpp: do not query the name through HID++ for 1.0 devices

Unless they are connected through unifying, they don't support it,
so remove one error in the logs.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>
---
 drivers/hid/hid-logitech-hidpp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c
index f5889ff..17dd569 100644
--- a/drivers/hid/hid-logitech-hidpp.c
+++ b/drivers/hid/hid-logitech-hidpp.c
@@ -2612,6 +2612,8 @@ static void hidpp_overwrite_name(struct hid_device *hdev, bool use_unifying)
 		 * Ask the receiver for its name.
 		 */
 		name = hidpp_get_unifying_name(hidpp);
+	else if (hidpp->protocol_major < 2)
+		return;
 	else
 		name = hidpp_get_device_name(hidpp);
 
-- 
2.9.3