From patchwork Mon Oct 25 10:46:03 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alistair Francis X-Patchwork-Id: 12581391 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7B3DDC433F5 for ; Mon, 25 Oct 2021 10:46:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5D27C60F46 for ; Mon, 25 Oct 2021 10:46:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229959AbhJYKsh (ORCPT ); Mon, 25 Oct 2021 06:48:37 -0400 Received: from new4-smtp.messagingengine.com ([66.111.4.230]:41615 "EHLO new4-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230342AbhJYKsh (ORCPT ); Mon, 25 Oct 2021 06:48:37 -0400 Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailnew.nyi.internal (Postfix) with ESMTP id 4F59858054C; Mon, 25 Oct 2021 06:46:14 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute3.internal (MEProxy); Mon, 25 Oct 2021 06:46:14 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alistair23.me; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; s=fm2; bh=tVeVTD/n1RNuci2s4vL/2pyEqm YGY1CKKlCMxISrbSc=; b=SMRKL39Ml96zqcGCn1DFiTCfB9cbXRVo7c3q9J1NVy +TgiCZb+oqueOV54YvGuGdZm7SWsxU9nIzyZ+89mzxw2ShzGxhaqKqnTFYBoDZh8 LnkkPBiuCUlMt5VzL5fzgLWPCUdwvoe16XN7SyA2AY5GGadG4SFnpfrcwRK3oQZi AWRlP3OZpF8/nNZKjWpAfLMtyx6rN5xekySNCqX2dFb1DWT67Xp5TGvhF3FsaaOV u9M5lbT9uMwIIbDPe32vb+ZtCCbFJuNUCnXw9cgUMMH4nWByLROyLO982/W9R0mm oOWfJl3Qdlc9/Z0QUPgJqNvfnHJ2eqBpHiqFlQ8VhkUQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :message-id:mime-version:subject:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm1; bh=tVeVTD/n1RNuci2s4 vL/2pyEqmYGY1CKKlCMxISrbSc=; b=VmueU+s7C2JLOPGRuPslq8y/Qo1B5ubXI qpV84SspJ6prSbJ0zGUzEWiMx9bUbUKH6xVRxbLRNor+rDrFdvP5oJuoq+4kbCOT QnJHMIUzLv+vqa513C43gBt45H5itZ/Yq7Q56O6g6vsEDod1veLOhkm4wCqRzAoO mskaR/tfn6z10Csuf+mHVgqfWpk8enigjIiI4MaTk/sy/Fy5Ku87k1XqiQycb0Uv 47ZgYAoCejqtasol2ARpg/XB0SNtSZ5C+TszfQxhCPhGtN6uQHsmJhoA1aywnrIP 5rrQ6G0yLu82R8okuX/UycTYn+pr9LZDZ7F3ERBhjkcle1JtfxIVQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvtddrvdefhedgfedtucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvffufffkofgggfestdekredtre dttdenucfhrhhomheptehlihhsthgrihhrucfhrhgrnhgtihhsuceorghlihhsthgrihhr segrlhhishhtrghirhdvfedrmhgvqeenucggtffrrghtthgvrhhnpeejleeihfdvtefgtd ethfdtgefftdeiffefjeeiffefveeuleejheejvefhffeukeenucevlhhushhtvghrufhi iigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpegrlhhishhtrghirhesrghlihhsth grihhrvdefrdhmvg X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Mon, 25 Oct 2021 06:46:08 -0400 (EDT) From: Alistair Francis To: s.hauer@pengutronix.de, benjamin.tissoires@redhat.com, dmitry.torokhov@gmail.com, shawnguo@kernel.org Cc: alistair23@gmail.com, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, jikos@kernel.org, Alistair Francis Subject: [PATCH v13 1/3] HID: quirks: Allow inverting the absolute X/Y values Date: Mon, 25 Oct 2021 20:46:03 +1000 Message-Id: <20211025104605.36364-1-alistair@alistair23.me> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org 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 Reported-by: kernel test robot --- 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 4b5ebeacd283..4babf369184f 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -1328,6 +1328,12 @@ 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 9e067f937dbc..4959385ca588 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -349,6 +349,8 @@ 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)