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From: "Filipe Laíns" <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: "Filipe Laíns" <lains@archlinux.org>
Subject: [PATCH] HID: logitech-dj: add support for the static device in the Powerplay mat/receiver
Date: Wed, 15 Jan 2020 20:18:11 +0000
Message-ID: <20200115201811.3271284-1-lains@archlinux.org> (raw)

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.

Signed-off-by: Filipe Laíns <lains@archlinux.org>
---
 drivers/hid/hid-logitech-dj.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
index bb50d6e7745b..79294b873057 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
@@ -980,6 +980,11 @@ static void logi_hidpp_recv_queue_notif(struct hid_device *hdev,
 		break;
 	}
 
+	/* custom receiver device (eg. powerplay) */
+	if (hidpp_report->device_index == 7) {
+		workitem.reports_supported |= HIDPP;
+	}
+
 	if (workitem.type == WORKITEM_TYPE_EMPTY) {
 		hid_warn(hdev,
 			 "unusable device of type %s (0x%02x) connected on slot %d",
-- 
2.24.1

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