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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 70863C32772 for ; Fri, 19 Aug 2022 16:44:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353802AbiHSQoS (ORCPT ); Fri, 19 Aug 2022 12:44:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33032 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1354029AbiHSQle (ORCPT ); Fri, 19 Aug 2022 12:41:34 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C44A5127BF5; Fri, 19 Aug 2022 09:10:06 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 3BDFF61811; Fri, 19 Aug 2022 16:08:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4C494C433C1; Fri, 19 Aug 2022 16:08:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660925325; bh=/IHO+X0r4Qn00B9hE2XexPWPAAKPU+e4shWTcQfltQE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lQT8vMJlFP2r4yxUrcHjasPG2FfJ46zx3iO/AFUxcBfkVkTdhchwp9JGNm8cRpnKZ PgNjkTBxBxKcxcI05l+aLg1KmdHja25tMu3U+w5t2osQiSj/S3QmxIrGUVLF3dka2E 1J0udvf3hFsHgSrwNw8dYyeBxwwxC05yZQAjBzcQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Zoltan Tamas Vajda , Jiri Kosina , Sasha Levin Subject: [PATCH 5.10 456/545] HID: hid-input: add Surface Go battery quirk Date: Fri, 19 Aug 2022 17:43:46 +0200 Message-Id: <20220819153849.797077684@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220819153829.135562864@linuxfoundation.org> References: <20220819153829.135562864@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 cf69191b6693..bb096dfb7b36 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -391,6 +391,7 @@ #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 329b7ffb7e6a..75a4d8d6bb0f 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 }, {} }; -- 2.35.1