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=-20.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 7B063C07E9E for ; Mon, 5 Jul 2021 15:29:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6A19D619A0 for ; Mon, 5 Jul 2021 15:29:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232461AbhGEPcd (ORCPT ); Mon, 5 Jul 2021 11:32:33 -0400 Received: from mail.kernel.org ([198.145.29.99]:57732 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232409AbhGEPcU (ORCPT ); Mon, 5 Jul 2021 11:32:20 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id C1E6261995; Mon, 5 Jul 2021 15:29:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1625498983; bh=Y4dQMYFhm95GjcowETDtuXSFX9tZyDZ2F+uM++JTHrw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KFd1Nd+tl/rIY0lXFtrt0sJtX+hLEx2+4VSUltsRHAPuMJVZEwMSww9M1zy2F65fv cL9snH175l7xX2a08Z969l6JSZkomu+zcfpG4BINwHlppbd3m4qsZg47hk+5Tk+o3r 829aQNBmSVkW0TJnTuRHgYGn1tHUptLzV9+6lOn5cOuFqk8TBsh0jB6p3axpFT8hit stI0dLQDNiakkOse8o9yRZ9XGzgGMbQCW4HxSd1bUTzu2RBtRxpIKvg454IF0kyCzt E9lfPtti/5YmKBn9ouddOt8hz7Lv+0TA1r7951fl/HMdlvBgFh34CnY4ba8VwuQNOA VgpiqF+nu2izg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Zoltan Tamas Vajda , Jiri Kosina , Sasha Levin , linux-input@vger.kernel.org Subject: [PATCH AUTOSEL 5.12 24/52] HID: hid-input: add Surface Go battery quirk Date: Mon, 5 Jul 2021 11:28:45 -0400 Message-Id: <20210705152913.1521036-24-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210705152913.1521036-1-sashal@kernel.org> References: <20210705152913.1521036-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org From: Zoltan Tamas Vajda [ Upstream commit b5539722eb832441f309642fe5102cc3536f92b8 ] The Elantech touchscreen/digitizer in the Surface Go mistakenly reports having a battery. This results in a low battery message every time you try to use the pen. This patch adds a quirk to ignore the non-existent battery and gets rid of the false low battery messages. Signed-off-by: Zoltan Tamas Vajda Signed-off-by: Jiri Kosina Signed-off-by: Sasha Levin --- drivers/hid/hid-ids.h | 1 + drivers/hid/hid-input.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 03978111d944..06168f485722 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -397,6 +397,7 @@ #define USB_DEVICE_ID_HP_X2_10_COVER 0x0755 #define I2C_DEVICE_ID_HP_SPECTRE_X360_15 0x2817 #define USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN 0x2706 +#define I2C_DEVICE_ID_SURFACE_GO_TOUCHSCREEN 0x261A #define USB_VENDOR_ID_ELECOM 0x056e #define USB_DEVICE_ID_ELECOM_BM084 0x0061 diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index e982d8173c9c..bf5e728258c1 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -326,6 +326,8 @@ static const struct hid_device_id hid_battery_quirks[] = { HID_BATTERY_QUIRK_IGNORE }, { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_HP_SPECTRE_X360_15), HID_BATTERY_QUIRK_IGNORE }, + { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_SURFACE_GO_TOUCHSCREEN), + HID_BATTERY_QUIRK_IGNORE }, {} }; -- 2.30.2