linux-kernel - [PATCH v4 2/3] HID: rmi: Handle all Synaptics touchpads using hid-rmi

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Message-Id: <20170105084900.15931-3-benjamin.tissoires@redhat.com>
Date:   Thu,  5 Jan 2017 09:48:59 +0100
From:   Benjamin Tissoires <benjamin.tissoires@...hat.com>
To:     Jiri Kosina <jikos@...nel.org>,
        Andrew Duggan <aduggan@...aptics.com>,
        Dennis Wassenberg <dennis.wassenberg@...unet.com>
Cc:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v4 2/3] HID: rmi: Handle all Synaptics touchpads using hid-rmi

From: Andrew Duggan <aduggan@...aptics.com>

With the addition of HID and F12 support in the synaptics-rmi4 driver
touchpads which had been using the hid-multitouch driver can now
be support by the synaptics-rmi4 via hid-rmi. The advantage is that
additional data can be reported from the RMI registers which is not
available in the Microsoft Precision Touchpad collection.

Signed-off-by: Andrew Duggan <aduggan@...aptics.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>

---

no changes in v4

no changes in v3

no changes in v2
---
 drivers/hid/hid-core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index db87d91..7e8b99e 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -825,7 +825,8 @@ static int hid_scan_report(struct hid_device *hid)
 		hid->group = HID_GROUP_WACOM;
 		break;
 	case USB_VENDOR_ID_SYNAPTICS:
-		if (hid->group == HID_GROUP_GENERIC)
+		if (hid->group == HID_GROUP_GENERIC ||
+		    hid->group == HID_GROUP_MULTITOUCH_WIN_8)
 			if ((parser->scan_flags & HID_SCAN_FLAG_VENDOR_SPECIFIC)
 			    && (parser->scan_flags & HID_SCAN_FLAG_GD_POINTER))
 				/*
-- 
2.9.3