From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756105AbdE0BUS (ORCPT ); Fri, 26 May 2017 21:20:18 -0400 Received: from mga04.intel.com ([192.55.52.120]:64989 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1948846AbdEZXkT (ORCPT ); Fri, 26 May 2017 19:40:19 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.38,399,1491289200"; d="scan'208";a="92374147" From: Lv Zheng To: "Rafael J. Wysocki" , "Rafael J. Wysocki" , Len Brown Cc: Lv Zheng , Lv Zheng , , linux-acpi@vger.kernel.org, , Benjamin Tissoires , Peter Hutterer Subject: [RFC PATCH v3 1/5] ACPI: button: Add indication of BIOS notification and faked events Date: Sat, 27 May 2017 07:42:24 +0800 Message-Id: X-Mailer: git-send-email 2.5.0 In-Reply-To: <2a779ae8c280c968b3237ac4a3d9580df7262a46.1493951798.git.lv.zheng@intel.com> References: <2a779ae8c280c968b3237ac4a3d9580df7262a46.1493951798.git.lv.zheng@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds a parameter to acpi_lid_notify_state() so that it can act differently against BIOS notification and kernel faked events. Cc: Cc: Benjamin Tissoires Cc: Peter Hutterer Signed-off-by: Lv Zheng --- drivers/acpi/button.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index 6d5a8c1..874ba60 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -138,7 +138,8 @@ static int acpi_lid_evaluate_state(struct acpi_device *device) return lid_state ? 1 : 0; } -static int acpi_lid_notify_state(struct acpi_device *device, int state) +static int acpi_lid_notify_state(struct acpi_device *device, + int state, bool bios_notify) { struct acpi_button *button = acpi_driver_data(device); int ret; @@ -360,7 +361,8 @@ int acpi_lid_open(void) } EXPORT_SYMBOL(acpi_lid_open); -static int acpi_lid_update_state(struct acpi_device *device) +static int acpi_lid_update_state(struct acpi_device *device, + bool bios_notify) { int state; @@ -368,17 +370,17 @@ static int acpi_lid_update_state(struct acpi_device *device) if (state < 0) return state; - return acpi_lid_notify_state(device, state); + return acpi_lid_notify_state(device, state, bios_notify); } static void acpi_lid_initialize_state(struct acpi_device *device) { switch (lid_init_state) { case ACPI_BUTTON_LID_INIT_OPEN: - (void)acpi_lid_notify_state(device, 1); + (void)acpi_lid_notify_state(device, 1, false); break; case ACPI_BUTTON_LID_INIT_METHOD: - (void)acpi_lid_update_state(device); + (void)acpi_lid_update_state(device, false); break; case ACPI_BUTTON_LID_INIT_IGNORE: default: @@ -398,7 +400,7 @@ static void acpi_button_notify(struct acpi_device *device, u32 event) case ACPI_BUTTON_NOTIFY_STATUS: input = button->input; if (button->type == ACPI_BUTTON_TYPE_LID) { - acpi_lid_update_state(device); + acpi_lid_update_state(device, true); } else { int keycode; -- 2.7.4