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 24910C43217 for ; Tue, 18 Jan 2022 02:46:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344653AbiARCqY (ORCPT ); Mon, 17 Jan 2022 21:46:24 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:48216 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346035AbiARCnB (ORCPT ); Mon, 17 Jan 2022 21:43:01 -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 ams.source.kernel.org (Postfix) with ESMTPS id B6C9CB8123F; Tue, 18 Jan 2022 02:42:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A7953C36AE3; Tue, 18 Jan 2022 02:42:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1642473778; bh=0+XfjOPAbLf9sTVRzvQ+1jNIKU4CH6CO3sXWF4+Cn78=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=F1bTJXwQsOrQkGf2DHVVwTWXyDY7zmBF4bd6vckDVlEcQ4wqKOLwpPtMnQEhDaHcO F66RuCyRa+z1FtaD2PLNr24u3kke8EnPupMxAjf2akOW3cA9FGzuMis68hPnIDC9Zq 6LfFESnRfToE1I/M+mke1pHJqtbwYeoR335ML9nUzHcgH5Qh3MLnJq2lQgOBRDQKHZ BaHdFes5FvgFAp0lqaC2vqYhZGLIY22K9fU54jaK6F1O8rJVdThj6EzhGvxaPn330t iqFV3fkkro73rbWHyHNHlVTMMw3E2OoRkLJQ51VjDp0y/Sereh88T6wslWKAmfB1kU McWeoTy/FYK2A== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Alistair Francis , Benjamin Tissoires , Sasha Levin , jikos@kernel.org, linux-input@vger.kernel.org Subject: [PATCH AUTOSEL 5.10 067/116] HID: quirks: Allow inverting the absolute X/Y values Date: Mon, 17 Jan 2022 21:39:18 -0500 Message-Id: <20220118024007.1950576-67-sashal@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220118024007.1950576-1-sashal@kernel.org> References: <20220118024007.1950576-1-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: 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 580d378342c41..eb53855898c8d 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 fc56d53cc68bf..2ba33d708942c 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -345,6 +345,8 @@ 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