From nobody Mon Sep 15 19:19:58 2025 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 44DADC67871 for ; Tue, 10 Jan 2023 15:03:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234037AbjAJPDx (ORCPT ); Tue, 10 Jan 2023 10:03:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42066 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233250AbjAJPDY (ORCPT ); Tue, 10 Jan 2023 10:03:24 -0500 X-Greylist: delayed 518 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Tue, 10 Jan 2023 07:03:07 PST Received: from w1.tutanota.de (w1.tutanota.de [81.3.6.162]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3F1574F102; Tue, 10 Jan 2023 07:03:06 -0800 (PST) Received: from tutadb.w10.tutanota.de (unknown [192.168.1.10]) by w1.tutanota.de (Postfix) with ESMTP id 94710FBF999; Tue, 10 Jan 2023 14:54:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1673362466; s=s1; d=tuta.io; h=From:From:To:To:Subject:Subject:Content-Description:Content-ID:Content-Type:Content-Type:Content-Transfer-Encoding:Content-Transfer-Encoding:Cc:Cc:Date:Date:In-Reply-To:MIME-Version:MIME-Version:Message-ID:Message-ID:Reply-To:References:Sender; bh=4FnHMSoDG+UwWAFI0bQdg+tPEV4Pse/8h0+mQ/LOzUw=; b=oC42p0+E3mdwVzXD4vM7LJqoRBTfAMDaZjHxXojVR9BKs39Zu5bBoqALQ9WRTpHZ EdrgBIGxqa+7BWM/iLQFy2GQ6e/y6YkiPqib8vkqBIShWGuuNpPjxT27BEtrHRzsOae jWolVarxOzc7T/K0d+43NlRAEaFWncmjSZ36T2YFtX+YRqJ/zadL6hCYYmgnJAPRGlw KWiu/JOnHc6rzqf9WpF01XLExRnyJslDCBMeJOphZC54F4tUyRB5qFdZqDu4AT5TLG4 LnJ5CrWl08XNRJXLnWr0X+DugidK/SniT3eGpSP+yg4YTqROwTOgkX0C04PzD0SG3Ay d3wkOqSAcw== Date: Tue, 10 Jan 2023 15:54:26 +0100 (CET) From: marco.rodolfi@tuta.io To: Jiri Kosina , Benjamin Tissoires , Linux Input , Linux Kernel Cc: Marco Rodolfi Message-ID: Subject: [PATCH] HID: Ignore battery for Elan touchscreen on Asus TP420IA MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" This device has a touchscreen thats report a battery even if it doesn't=20 have one.=20 Ask Linux to ignore the battery so it will not always report it as low.=20 =20 Signed-off-by: Marco Rodolfi =20 ---=20 drivers/hid/hid-ids.h =C2=A0=C2=A0| 1 +=20 drivers/hid/hid-input.c | 2 ++=20 2 files changed, 3 insertions(+)=20 =20 diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h=20 index 8f58c3c1bec3..0f525b946cd1 100644=20 --- a/drivers/hid/hid-ids.h=20 +++ b/drivers/hid/hid-ids.h=20 @@ -413,6 +413,7 @@=20 #define I2C_DEVICE_ID_HP_ENVY_X360_15 =C2=A00x2d05=20 #define I2C_DEVICE_ID_HP_ENVY_X360_15T_DR100 =C2=A0=C2=A00x29CF=20 #define I2C_DEVICE_ID_HP_SPECTRE_X360_15 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A00x2817=20 +#define I2C_DEVICE_ID_ASUS_TP420IA_TOUCHSCREEN 0x2BC8=20 #define USB_DEVICE_ID_ASUS_UX550VE_TOUCHSCREEN 0x2544=20 #define USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN =C2=A0=C2=A00x2706=20 #define I2C_DEVICE_ID_SURFACE_GO_TOUCHSCREEN =C2=A0=C2=A00x261A=20 diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c=20 index 859aeb07542e..54e2d4066d9b 100644=20 --- a/drivers/hid/hid-input.c=20 +++ b/drivers/hid/hid-input.c=20 @@ -369,6 +369,8 @@ static const struct hid_device_id hid_battery_quirks[] = =3D {=20 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0{ HID_BLUETOOTH_DEVICE(USB_VENDO= R_ID_LOGITECH,=20 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0USB_DEVICE_ID_LOGITECH_DINOVO_EDGE_KBD),=20 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0HID_BATTERY_QUIRK_IG= NORE },=20 + =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, = I2C_DEVICE_ID_ASUS_TP420IA_TOUCHSCREEN) ,=20 + =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0HID_BATTERY_QUIRK_IGNORE = },=20 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0{ HID_USB_DEVICE(USB_VENDOR_ID_E= LAN, USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN),=20 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0HID_BATTERY_QUIRK_IG= NORE },=20 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0{ HID_USB_DEVICE(USB_VENDOR_ID_E= LAN, USB_DEVICE_ID_ASUS_UX550VE_TOUCHSCREEN) ,=20 -- =C2=A0 2.39.0=20 =20