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From:   =?UTF-8?q?Filipe=20La=C3=ADns?= <lains@archlinux.org>
To:     Jiri Kosina <jikos@kernel.org>,
        Benjamin Tissoires <benjamin.tissoires@redhat.com>,
        linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
Cc:     =?UTF-8?q?Filipe=20La=C3=ADns?= <lains@archlinux.org>
Subject: [PATCH] HID: logitech-hidpp: add support for the Powerplay mat/receiver
Date:   Sun, 12 Jan 2020 20:50:21 +0000
Message-Id: <20200112205021.3004703-1-lains@archlinux.org>
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Sender: linux-kernel-owner@vger.kernel.org
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The Logitech G Powerplay has a lightspeed receiver with a static HID++
device with ID 7 attached to it to. It is used to configure the led on
the mat. For this reason I increased the max number of devices.

I also marked all lightspeed devices as HID++ compatible. As the
internal powerplay device does not have REPORT_TYPE_KEYBOARD or
REPORT_TYPE_KEYBOARD it was not being marked as HID++ compatible in
logi_hidpp_dev_conn_notif_equad.

Signed-off-by: Filipe Laíns <lains@archlinux.org>
---
 drivers/hid/hid-logitech-dj.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
index bb50d6e7745b..732380b55b15 100644
--- a/drivers/hid/hid-logitech-dj.c
+++ b/drivers/hid/hid-logitech-dj.c
@@ -16,11 +16,11 @@
 #include <asm/unaligned.h>
 #include "hid-ids.h"
 
-#define DJ_MAX_PAIRED_DEVICES			6
+#define DJ_MAX_PAIRED_DEVICES			7
 #define DJ_MAX_NUMBER_NOTIFS			8
 #define DJ_RECEIVER_INDEX			0
 #define DJ_DEVICE_INDEX_MIN			1
-#define DJ_DEVICE_INDEX_MAX			6
+#define DJ_DEVICE_INDEX_MAX			7
 
 #define DJREPORT_SHORT_LENGTH			15
 #define DJREPORT_LONG_LENGTH			32
@@ -971,7 +971,7 @@ static void logi_hidpp_recv_queue_notif(struct hid_device *hdev,
 	case 0x0c:
 		device_type = "eQUAD Lightspeed 1";
 		logi_hidpp_dev_conn_notif_equad(hdev, hidpp_report, &workitem);
-		workitem.reports_supported |= STD_KEYBOARD;
+		workitem.reports_supported |= STD_KEYBOARD | HIDPP;
 		break;
 	case 0x0d:
 		device_type = "eQUAD Lightspeed 1_1";
@@ -1850,6 +1850,10 @@ static const struct hid_device_id logi_dj_receivers[] = {
 	  HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
 		USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1_1),
 	 .driver_data = recvr_type_gaming_hidpp},
+	{ /* Logitech powerplay mat/receiver (0xc539) */
+	  HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
+		0xc53a),
+	 .driver_data = recvr_type_gaming_hidpp},
 	{ /* Logitech 27 MHz HID++ 1.0 receiver (0xc513) */
 	  HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER),
 	 .driver_data = recvr_type_27mhz},
-- 
2.24.1