From patchwork Mon Jan 24 18:43:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 536109 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 9FF12C43217 for ; Mon, 24 Jan 2022 19:43:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245098AbiAXTnS (ORCPT ); Mon, 24 Jan 2022 14:43:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55312 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1355415AbiAXTlQ (ORCPT ); Mon, 24 Jan 2022 14:41:16 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 058CAC06175D; Mon, 24 Jan 2022 11:21:14 -0800 (PST) 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 ams.source.kernel.org (Postfix) with ESMTPS id C0F8DB81235; Mon, 24 Jan 2022 19:21:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F0F5BC340E5; Mon, 24 Jan 2022 19:21:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1643052071; bh=FSpJDSpfVsJcYGFNZhFJVzsi85MzAyRlNh/wIUlnzeE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lVDZ0x9qd64mlpFei8mEBKAsp3bRptpxli9o49sTh9AjWEKqJtsv4YUdGBNgzTgtY 4dYM0NVBZgcoyXRzxeOEQyle//UKKdlUMIjxX1c4+yxEzrUMCKXkGL3Ine2Ks8uDd8 EdC+pERj/4JHDX/NB9Q0XLrbeIvYK+gfp+b7f5YE= 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 4.19 147/239] HID: quirks: Allow inverting the absolute X/Y values Date: Mon, 24 Jan 2022 19:43:05 +0100 Message-Id: <20220124183947.769204985@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220124183943.102762895@linuxfoundation.org> References: <20220124183943.102762895@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 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 d56ef395eb693..dd3f4aa052980 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -1246,6 +1246,12 @@ 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 da824ba9fb9a2..c51ebce2197e0 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -353,6 +353,8 @@ 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)