From patchwork Mon Jan 24 18:32:00 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 535904 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 8BC83C433EF for ; Mon, 24 Jan 2022 20:12:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353481AbiAXUM1 (ORCPT ); Mon, 24 Jan 2022 15:12:27 -0500 Received: from dfw.source.kernel.org ([139.178.84.217]:36716 "EHLO dfw.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1378969AbiAXUKH (ORCPT ); Mon, 24 Jan 2022 15:10:07 -0500 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 D72FD60B89; Mon, 24 Jan 2022 20:10:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E16EBC340E7; Mon, 24 Jan 2022 20:10:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1643055006; bh=q5rAvSQSqiGCGZnKtanoWi/vKTjCm/PgYIA9eIArUYs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tRe7LqORmN+Y2Nefu2huYh2MoSP56z9juy1N1T8bAkmuDwZNcwyMymO9FOyzwokS0 lORuR+Ub/sRCSUDUxizvwluPp+9/o+7vo9tWgB+rVyENFXJchcaq2suan6ZJ35PpJV uMTcRTVIXa6uPlS56musmqN+W4eZvVLBsw3sCNQ0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Karl Kurbjun , Jiri Kosina Subject: [PATCH 5.15 003/846] HID: Ignore battery for Elan touchscreen on HP Envy X360 15t-dr100 Date: Mon, 24 Jan 2022 19:32:00 +0100 Message-Id: <20220124184100.997110508@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220124184100.867127425@linuxfoundation.org> References: <20220124184100.867127425@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Karl Kurbjun commit f3193ea1b6779023334faa72b214ece457e02656 upstream. Battery status on Elan tablet driver is reported for the HP ENVY x360 15t-dr100. There is no separate battery for the Elan controller resulting in a battery level report of 0% or 1% depending on whether a stylus has interacted with the screen. These low battery level reports causes a variety of bad behavior in desktop environments. This patch adds the appropriate quirk to indicate that the batery status is unused for this target. Cc: stable@vger.kernel.org Signed-off-by: Karl Kurbjun Signed-off-by: Jiri Kosina Signed-off-by: Greg Kroah-Hartman --- drivers/hid/hid-ids.h | 1 + drivers/hid/hid-input.c | 2 ++ 2 files changed, 3 insertions(+) --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -394,6 +394,7 @@ #define USB_DEVICE_ID_HP_X2 0x074d #define USB_DEVICE_ID_HP_X2_10_COVER 0x0755 #define I2C_DEVICE_ID_HP_SPECTRE_X360_15 0x2817 +#define I2C_DEVICE_ID_HP_ENVY_X360_15T_DR100 0x29CF #define USB_DEVICE_ID_ASUS_UX550VE_TOUCHSCREEN 0x2544 #define USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN 0x2706 #define I2C_DEVICE_ID_SURFACE_GO_TOUCHSCREEN 0x261A --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -327,6 +327,8 @@ static const struct hid_device_id hid_ba HID_BATTERY_QUIRK_IGNORE }, { HID_USB_DEVICE(USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ASUS_UX550VE_TOUCHSCREEN), HID_BATTERY_QUIRK_IGNORE }, + { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_HP_ENVY_X360_15T_DR100), + 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),