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[23.128.96.18]) by mx.google.com with ESMTP id i13si11799074eje.417.2021.03.15.11.26.42; Mon, 15 Mar 2021 11:27:08 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=NK02AoV9; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234413AbhCOO0B (ORCPT + 99 others); Mon, 15 Mar 2021 10:26:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:37582 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233029AbhCOOAe (ORCPT ); Mon, 15 Mar 2021 10:00:34 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 813D964F1E; Mon, 15 Mar 2021 14:00:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1615816813; bh=w4QaNXjUDjaiped9JuQNsCoByJ8C/CItVMR5fDiL4kw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NK02AoV9l26j14XnbK71vMGEwl9+z2LYp2i+Gre841Na9gisx5F9J8tDxyS4/N+Kp LkxjOo7I9uwXY4+s6HXrWp9IqRBUPs2xOwv/iI6pFc/WU+RPsoynsSDxfH85w7cEFu bpFYafFIuTyyTQJTM+jEQLS3NFTHw1b6uOaHs/9Q= From: gregkh@linuxfoundation.org To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, =?UTF-8?q?Filipe=20La=C3=ADns?= , Jiri Kosina , Sasha Levin Subject: [PATCH 5.11 140/306] HID: logitech-dj: add support for the new lightspeed connection iteration Date: Mon, 15 Mar 2021 14:53:23 +0100 Message-Id: <20210315135512.371613741@linuxfoundation.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210315135507.611436477@linuxfoundation.org> References: <20210315135507.611436477@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Greg Kroah-Hartman From: Filipe Laíns [ Upstream commit fab3a95654eea01d6b0204995be8b7492a00d001 ] This new connection type is the new iteration of the Lightspeed connection and will probably be used in some of the newer gaming devices. It is currently use in the G Pro X Superlight. This patch should be backported to older versions, as currently the driver will panic when seing the unsupported connection. This isn't an issue when using the receiver that came with the device, as Logitech has been using different PIDs when they change the connection type, but is an issue when using a generic receiver (well, generic Lightspeed receiver), which is the case of the one in the Powerplay mat. Currently, the only generic Ligthspeed receiver we support, and the only one that exists AFAIK, is ther Powerplay. As it stands, the driver will panic when seeing a G Pro X Superlight connected to the Powerplay receiver and won't send any input events to userspace! The kernel will warn about this so the issue should be easy to identify, but it is still very worrying how hard it will fail :( [915977.398471] logitech-djreceiver 0003:046D:C53A.0107: unusable device of type UNKNOWN (0x0f) connected on slot 1 Signed-off-by: Filipe Laíns Signed-off-by: Jiri Kosina Signed-off-by: Sasha Levin --- drivers/hid/hid-logitech-dj.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c index fcdc922bc973..271bd8d24339 100644 --- a/drivers/hid/hid-logitech-dj.c +++ b/drivers/hid/hid-logitech-dj.c @@ -995,7 +995,12 @@ static void logi_hidpp_recv_queue_notif(struct hid_device *hdev, workitem.reports_supported |= STD_KEYBOARD; break; case 0x0d: - device_type = "eQUAD Lightspeed 1_1"; + device_type = "eQUAD Lightspeed 1.1"; + logi_hidpp_dev_conn_notif_equad(hdev, hidpp_report, &workitem); + workitem.reports_supported |= STD_KEYBOARD; + break; + case 0x0f: + device_type = "eQUAD Lightspeed 1.2"; logi_hidpp_dev_conn_notif_equad(hdev, hidpp_report, &workitem); workitem.reports_supported |= STD_KEYBOARD; break; -- 2.30.1