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 5C3DBC4167E for ; Mon, 24 Jan 2022 19:40:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1354955AbiAXTjo (ORCPT ); Mon, 24 Jan 2022 14:39:44 -0500 Received: from dfw.source.kernel.org ([139.178.84.217]:59192 "EHLO dfw.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346860AbiAXTd6 (ORCPT ); Mon, 24 Jan 2022 14:33:58 -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 7A06B60909; Mon, 24 Jan 2022 19:33:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 412DCC340E5; Mon, 24 Jan 2022 19:33:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1643052835; bh=pgsZHp9ixRySTOMnwePYjcM7jO08VdKO54ioWL4fvKA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sekp9GWDIERD4sRv7gWYOYONOHL23qweS3Rdtt2a9ckZmIYNtWTmEjDjEbYhn0mLg RTFEtS6umF0MT6HPJ0Hx36uCYmNaf8SeoGFkSJA/ce4wcorGYsd3hHPRFl9WGFFhb3 zugbhWByFN6Z/1h/be1G0wzx84qwK2RVAzOz69pc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Alistair Francis , Benjamin Tissoires , Sasha Levin Subject: [PATCH 5.4 189/320] HID: quirks: Allow inverting the absolute X/Y values Date: Mon, 24 Jan 2022 19:42:53 +0100 Message-Id: <20220124184000.070956590@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220124183953.750177707@linuxfoundation.org> References: <20220124183953.750177707@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Alistair Francis [ Upstream commit fd8d135b2c5e88662f2729e034913f183455a667 ] Add a HID_QUIRK_X_INVERT/HID_QUIRK_Y_INVERT quirk that can be used to invert the X/Y values. Signed-off-by: Alistair Francis [bentiss: silence checkpatch warning] Signed-off-by: Benjamin Tissoires Link: https://lore.kernel.org/r/20211208124045.61815-2-alistair@alistair23.me Signed-off-by: Sasha Levin --- drivers/hid/hid-input.c | 6 ++++++ include/linux/hid.h | 2 ++ 2 files changed, 8 insertions(+) diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index ea4c97f5b0736..749558aa27e78 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -1288,6 +1288,12 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct input = field->hidinput->input; + if (usage->type == EV_ABS && + (((*quirks & HID_QUIRK_X_INVERT) && usage->code == ABS_X) || + ((*quirks & HID_QUIRK_Y_INVERT) && usage->code == ABS_Y))) { + value = field->logical_maximum - value; + } + if (usage->hat_min < usage->hat_max || usage->hat_dir) { int hat_dir = usage->hat_dir; if (!hat_dir) diff --git a/include/linux/hid.h b/include/linux/hid.h index ad46ed41e8836..d5f9bbf8afa51 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -344,6 +344,8 @@ struct hid_item { /* BIT(9) reserved for backward compatibility, was NO_INIT_INPUT_REPORTS */ #define HID_QUIRK_ALWAYS_POLL BIT(10) #define HID_QUIRK_INPUT_PER_APP BIT(11) +#define HID_QUIRK_X_INVERT BIT(12) +#define HID_QUIRK_Y_INVERT BIT(13) #define HID_QUIRK_SKIP_OUTPUT_REPORTS BIT(16) #define HID_QUIRK_SKIP_OUTPUT_REPORT_ID BIT(17) #define HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP BIT(18) -- 2.34.1