linux-kernel - [PATCH 1/2] HID: multitouch: Support HID_GD_WIRELESS_RADIO

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Message-Id: <20170724212225.3426-2-jprvita@endlessm.com>
Date:   Mon, 24 Jul 2017 14:22:24 -0700
From:   "João Paulo Rechi Vita" <jprvita@...il.com>
To:     Hans de Goede <hdegoede@...hat.com>,
        Jiri Kosina <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>
Cc:     linux@...lessm.com,
        João Paulo Rechi Vita <jprvita@...lessm.com>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] HID: multitouch: Support HID_GD_WIRELESS_RADIO_CTLS

Some keyboard + touchpad devices have the Microsoft Win8 Wireless Radio
Controls extensions Usage Page define in the touchpad report descriptor,
so we need to support them in this driver.

Signed-off-by: João Paulo Rechi Vita <jprvita@...lessm.com>
---
 drivers/hid/hid-multitouch.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index aff20f4b6d97..152d33120a55 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -922,7 +922,8 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 	    field->application != HID_DG_PEN &&
 	    field->application != HID_DG_TOUCHPAD &&
 	    field->application != HID_GD_KEYBOARD &&
-	    field->application != HID_CP_CONSUMER_CONTROL)
+	    field->application != HID_CP_CONSUMER_CONTROL &&
+	    field->application != HID_GD_WIRELESS_RADIO_CTLS)
 		return -1;
 
 	/*
@@ -1133,6 +1134,9 @@ static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
 		case HID_CP_CONSUMER_CONTROL:
 			suffix = "Consumer Control";
 			break;
+		case HID_GD_WIRELESS_RADIO_CTLS:
+			suffix = "Wireless Radio Control";
+			break;
 		default:
 			suffix = "UNKNOWN";
 			break;
-- 
2.13.2