From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 587E6C433E0 for ; Tue, 26 May 2020 19:03:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 329DE208A7 for ; Tue, 26 May 2020 19:03:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590519819; bh=Pkh5lO2dAeyUZEdb0y4kAXD15PuXodtycXuzHRkW8eo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=wv/0pn8eqKpzW23MFe9upO/4V7ETMkLz2bujm0TIT98Pj1NfS4fkLF8Swy8kv66+r SoIqkxvqhaB0uBzrwObwPgLZt0hStiBVptG606j1b3YITA5laNsUS5+Wi9NK5peN4y iIwmJ5jEpRuTolew2lhvYyUN3H3t057Rc/QR+TZY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391235AbgEZTDi (ORCPT ); Tue, 26 May 2020 15:03:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:58814 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2403847AbgEZTDb (ORCPT ); Tue, 26 May 2020 15:03:31 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C55BD208A7; Tue, 26 May 2020 19:03:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590519810; bh=Pkh5lO2dAeyUZEdb0y4kAXD15PuXodtycXuzHRkW8eo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vpsUXmEXGrC8bZeV4akgnBoTiEoqHiJ0ofd9wDmJfq5G3+4+Lq54j9BYcOLDnzpux CXuaxtAwzl0JVsgr8NoEbQOcy/nAtNrCIcTbc97zttL68iM7oz0G97Zpe2bthe8sX+ 3dYstVP9CISSbPxiHzxwcprcCF7AZ4IB8dn/9MDI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Daniel Playfair Cal , Jiri Kosina , Sasha Levin Subject: [PATCH 4.19 26/81] HID: i2c-hid: reset Synaptics SYNA2393 on resume Date: Tue, 26 May 2020 20:53:01 +0200 Message-Id: <20200526183930.368166265@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200526183923.108515292@linuxfoundation.org> References: <20200526183923.108515292@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Daniel Playfair Cal [ Upstream commit 538f67407e2c0e5ed2a46e7d7ffa52f2e30c7ef8 ] On the Dell XPS 9570, the Synaptics SYNA2393 touchpad generates spurious interrupts after resuming from suspend until it receives some input or is reset. Add it to the quirk I2C_HID_QUIRK_RESET_ON_RESUME so that it is reset when resuming from suspend. More information about the bug can be found in this mailing list discussion: https://www.spinics.net/lists/linux-input/msg59530.html Signed-off-by: Daniel Playfair Cal Signed-off-by: Jiri Kosina Signed-off-by: Sasha Levin --- drivers/hid/hid-ids.h | 3 +++ drivers/hid/i2c-hid/i2c-hid-core.c | 2 ++ 2 files changed, 5 insertions(+) diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 2a9cec9764cf..e071fd3c6b2b 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -1064,6 +1064,9 @@ #define USB_DEVICE_ID_SYMBOL_SCANNER_2 0x1300 #define USB_DEVICE_ID_SYMBOL_SCANNER_3 0x1200 +#define I2C_VENDOR_ID_SYNAPTICS 0x06cb +#define I2C_PRODUCT_ID_SYNAPTICS_SYNA2393 0x7a13 + #define USB_VENDOR_ID_SYNAPTICS 0x06cb #define USB_DEVICE_ID_SYNAPTICS_TP 0x0001 #define USB_DEVICE_ID_SYNAPTICS_INT_TP 0x0002 diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c index f2c8c59fc582..f17ebbe53abf 100644 --- a/drivers/hid/i2c-hid/i2c-hid-core.c +++ b/drivers/hid/i2c-hid/i2c-hid-core.c @@ -187,6 +187,8 @@ static const struct i2c_hid_quirks { I2C_HID_QUIRK_BOGUS_IRQ }, { USB_VENDOR_ID_ALPS_JP, HID_ANY_ID, I2C_HID_QUIRK_RESET_ON_RESUME }, + { I2C_VENDOR_ID_SYNAPTICS, I2C_PRODUCT_ID_SYNAPTICS_SYNA2393, + I2C_HID_QUIRK_RESET_ON_RESUME }, { USB_VENDOR_ID_ITE, I2C_DEVICE_ID_ITE_LENOVO_LEGION_Y720, I2C_HID_QUIRK_BAD_INPUT_SIZE }, { 0, 0 } -- 2.25.1