From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaud Patard Subject: [PATCH RFC] Suppress power button event on S3 resume Date: Tue, 25 Apr 2006 16:03:18 +0200 Message-ID: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" Return-path: Received: from ezoffice.mandriva.com ([84.14.106.134]:25616 "EHLO office.mandriva.com") by vger.kernel.org with ESMTP id S932226AbWDYN55 (ORCPT ); Tue, 25 Apr 2006 09:57:57 -0400 Received: from anduin.mandriva.com (anduin.mandriva.com [192.168.100.45]) by office.mandriva.com (Postfix) with ESMTP id C01443C7 for ; Tue, 25 Apr 2006 15:57:52 +0200 (CEST) Received: from anduin.mandriva.com (localhost [127.0.0.1]) by anduin.mandriva.com (Postfix) with ESMTP id 0E8E5FF855 for ; Tue, 25 Apr 2006 16:03:19 +0200 (CEST) Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: linux-acpi@vger.kernel.org --=-=-= Hi, I got this week-end the problem described by the thread "how to back from suspend without shutdown". I've hacked a little patch for solving this issue. I've tested with the 2.6.17rc1 on two platforms and it's working. Regards, Arnaud Patard --=-=-= Content-Type: text/x-patch Content-Disposition: inline; filename=suppress_power_button_event_on_s3_resume.patch Suppress POWER_BUTTON event on S3 resume. Signed-off-by: Arnaud Patard --- Index: linux-2.6/drivers/acpi/sleep/main.c =================================================================== --- linux-2.6.orig/drivers/acpi/sleep/main.c +++ linux-2.6/drivers/acpi/sleep/main.c @@ -105,6 +105,14 @@ static int acpi_pm_enter(suspend_state_t default: return -EINVAL; } + + /* ACPI 3.0 specs (P62) says that it's the responsabilty + * of the OSPM to clear the status bit [ implying that the + * POWER_BUTTON event should not reach userspace ] + */ + if (ACPI_SUCCESS(status) && (acpi_state == ACPI_STATE_S3)) + acpi_clear_event(ACPI_EVENT_POWER_BUTTON); + local_irq_restore(flags); printk(KERN_DEBUG "Back to C!\n"); --=-=-=--