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Sat, 3 Mar 2018 17:46:30 -0500 Received: from mail-co1nam03on0134.outbound.protection.outlook.com ([104.47.40.134]:59904 "EHLO NAM03-CO1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S935282AbeCCWl4 (ORCPT ); Sat, 3 Mar 2018 17:41:56 -0500 From: Sasha Levin To: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" CC: Jiri Kosina , Sasha Levin Subject: [PATCH AUTOSEL for 3.18 47/63] HID: elo: clear BTN_LEFT mapping Thread-Topic: [PATCH AUTOSEL for 3.18 47/63] HID: elo: clear BTN_LEFT mapping Thread-Index: AQHTsz+ttPIQPKkIOEy09T+CgqinnQ== Date: Sat, 3 Mar 2018 22:33:39 +0000 Message-ID: <20180303223228.27323-47-alexander.levin@microsoft.com> References: <20180303223228.27323-1-alexander.levin@microsoft.com> In-Reply-To: <20180303223228.27323-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;MW2PR2101MB1018;7:wd0qDjBixhfVO4mPZxYNzYMCEgbN2Sh9yqkU5fXu4ZxKrDMSlXQ4AMrLdOPD0HbptxoDjFWGckECpi40MhZ1LzzUd8RkyfousHQe2h2iO6c93vIDKwpWpam8s1QX1B6IR3u2mjm3NOls975TTL4gDNggu16RBqyMTMcQnShJSjAPFmDRSSPHOjCrpt7Yq2Zkgv/F8NQs8O1LONkpzMXdeYhja8nzjjkfn2DdS60LQRBOSK5otkvBmYLR4LIVi6bg x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 77271f6b-9d61-47ad-db2d-08d58157f69c x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(48565401081)(5600026)(4604075)(3008032)(4534165)(4627221)(201703031133081)(201702281549075)(2017052603307)(7193020);SRVR:MW2PR2101MB1018; 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authentication-results: spf=none (sender IP is ) smtp.mailfrom=Alexander.Levin@microsoft.com; x-microsoft-antispam-message-info: hrYKBWAmhbOLhpiDLqRh6RwyG/sOMwqmqFA2B+KLn6r2Q5i6hVVRGeXbjs//7Vp8hxS7o2ZzHYf8qKageRfA3E60JG9LjVKDCfOxq7R3MAnruPcZtZ3SEqJ/TvBpK3yS42MmzYmLQS2sYFmT8EaQfuGOrs8VswpR+l6KiH0C6dM= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 77271f6b-9d61-47ad-db2d-08d58157f69c X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Mar 2018 22:33:39.2166 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW2PR2101MB1018 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Jiri Kosina [ Upstream commit 9abd04af951e5734c9d5cfee9b49790844b734cf ] ELO devices have one Button usage in GenDesk field, which makes hid-input m= ap it to BTN_LEFT; that confuses userspace, which then considers the device to= be a mouse/touchpad instead of touchscreen. Fix that by unmapping BTN_LEFT and keeping only BTN_TOUCH in place. Signed-off-by: Jiri Kosina Signed-off-by: Sasha Levin --- drivers/hid/hid-elo.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/hid/hid-elo.c b/drivers/hid/hid-elo.c index d0c8a1c1e1fe..2fc43ad7f0b6 100644 --- a/drivers/hid/hid-elo.c +++ b/drivers/hid/hid-elo.c @@ -42,6 +42,12 @@ static void elo_input_configured(struct hid_device *hdev= , { struct input_dev *input =3D hidinput->input; =20 + /* + * ELO devices have one Button usage in GenDesk field, which makes + * hid-input map it to BTN_LEFT; that confuses userspace, which then + * considers the device to be a mouse/touchpad instead of touchscreen. + */ + clear_bit(BTN_LEFT, input->keybit); set_bit(BTN_TOUCH, input->keybit); set_bit(ABS_PRESSURE, input->absbit); input_set_abs_params(input, ABS_PRESSURE, 0, 256, 0, 0); --=20 2.14.1