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 ECF52C43334 for ; Tue, 5 Jul 2022 12:21:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236478AbiGEMVC (ORCPT ); Tue, 5 Jul 2022 08:21:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37384 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237269AbiGEMS6 (ORCPT ); Tue, 5 Jul 2022 08:18:58 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7F6921A826; Tue, 5 Jul 2022 05:14:15 -0700 (PDT) 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 241F7B817AC; Tue, 5 Jul 2022 12:14:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 84007C341C7; Tue, 5 Jul 2022 12:14:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1657023252; bh=mXwYS3tDZj+FB8MJFc//EosuhjiE1AeB0xL3ixvneEs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1WlQpC99RsFo/8cFcy38UmcQP+yhojFob9TCI7ZWjCzHrd5j6j8ZrRXNmpxFwqe9R XIL0ICWasSu0icxGLC2IVaA7woOZLTR9yGBDSULb9dPd/Wc5iiWKDufZChIhttI84C bd6ZKXrmCBsPOS+u518ZI9elCmx0F9YV23GgIok0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hans de Goede , Andy Shevchenko , Sasha Levin , Stefan Seyfried , Kenneth Chan Subject: [PATCH 5.15 93/98] platform/x86: panasonic-laptop: dont report duplicate brightness key-presses Date: Tue, 5 Jul 2022 13:58:51 +0200 Message-Id: <20220705115620.207967081@linuxfoundation.org> X-Mailer: git-send-email 2.37.0 In-Reply-To: <20220705115617.568350164@linuxfoundation.org> References: <20220705115617.568350164@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: Hans de Goede [ Upstream commit 1f2c9de83a50447a2d7166f6273ab0c0e97cd68e ] The brightness key-presses might also get reported by the ACPI video bus, check for this and in this case don't report the presses to avoid reporting 2 presses for a single key-press. Fixes: ed83c9171829 ("platform/x86: panasonic-laptop: Resolve hotkey double trigger bug") Reported-and-tested-by: Stefan Seyfried Reported-and-tested-by: Kenneth Chan Signed-off-by: Hans de Goede Reviewed-by: Andy Shevchenko Link: https://lore.kernel.org/r/20220624112340.10130-6-hdegoede@redhat.com Signed-off-by: Sasha Levin --- drivers/platform/x86/Kconfig | 1 + drivers/platform/x86/panasonic-laptop.c | 8 ++++++++ 2 files changed, 9 insertions(+) diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index e21ea3d23e6f..50a5c4f3cefd 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -871,6 +871,7 @@ config PANASONIC_LAPTOP tristate "Panasonic Laptop Extras" depends on INPUT && ACPI depends on BACKLIGHT_CLASS_DEVICE + depends on ACPI_VIDEO=n || ACPI_VIDEO select INPUT_SPARSEKMAP help This driver adds support for access to backlight control and hotkeys diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c index cd3c23593eee..65ca863ffb9f 100644 --- a/drivers/platform/x86/panasonic-laptop.c +++ b/drivers/platform/x86/panasonic-laptop.c @@ -132,6 +132,7 @@ #include #include #include +#include MODULE_AUTHOR("Hiroshi Miura "); MODULE_AUTHOR("David Bronaugh "); @@ -783,6 +784,13 @@ static void acpi_pcc_generate_keyinput(struct pcc_acpi *pcc) key, 0x80, false); } + /* + * Don't report brightness key-presses if they are also reported + * by the ACPI video bus. + */ + if ((key == 1 || key == 2) && acpi_video_handles_brightness_key_presses()) + return; + if (!sparse_keymap_report_event(hotk_input_dev, key, updown, false)) pr_err("Unknown hotkey event: 0x%04llx\n", result); } -- 2.35.1