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=unavailable 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 C330DC11F67 for ; Mon, 5 Jul 2021 15:29:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B2E60619A4 for ; Mon, 5 Jul 2021 15:29:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232102AbhGEPbu (ORCPT ); Mon, 5 Jul 2021 11:31:50 -0400 Received: from mail.kernel.org ([198.145.29.99]:56202 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232056AbhGEPb2 (ORCPT ); Mon, 5 Jul 2021 11:31:28 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 85F8461991; Mon, 5 Jul 2021 15:28:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1625498931; bh=BIu+qtv5hhbidYX/HPZHCOaj3iIlpzXP9dYH1XAO6Vs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bpRTPUrnaH0XckOlC0o8Rt1H1NWLyL+6uhB5my+BOTPVImy8F4o+y/Swm60lu4lFg vfQKm0Xcp2RBl8E8DbDH/29qjZ1Ackj6vnQeq5C6hSUp8fSMD0PG+/2hholPH2m8uB TmIQkIqzKK0EV4waxZScDDhJygNGmrJIdA4EoYGL8F2HEB3PPxl2bnHaXLgv5nBYlK BKG9lMOkrq6QJcNWl4pvRc9QiXzFoxaF9HzVkkAGo47DpUk35ISs18oFR7TDOYKF7A jhmrI+p8O8RvLHfw0MM9qHy6QH2WMtWSJHa5woxH7SJ0bG6JeFZMPnayY+u0dwMhxA 6TTAw0r/cFXLQ== 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 5.13 27/59] HID: hid-input: add Surface Go battery quirk Date: Mon, 5 Jul 2021 11:27:43 -0400 Message-Id: <20210705152815.1520546-27-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210705152815.1520546-1-sashal@kernel.org> References: <20210705152815.1520546-1-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-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 b84a0a11e05b..63ca5959dc67 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -396,6 +396,7 @@ #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 abbfa91e73e4..68c8644234a4 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