From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752101AbdHLHpx (ORCPT ); Sat, 12 Aug 2017 03:45:53 -0400 Received: from mail-wm0-f66.google.com ([74.125.82.66]:36195 "EHLO mail-wm0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750771AbdHLHpv (ORCPT ); Sat, 12 Aug 2017 03:45:51 -0400 From: =?UTF-8?q?Pali=20Roh=C3=A1r?= To: Corentin Chary , Darren Hart , Andy Shevchenko Cc: acpi4asus-user@lists.sourceforge.net, platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, =?UTF-8?q?Pali=20Roh=C3=A1r?= Subject: [PATCH 2/4] platform/x86: asus-wmi: Evaluate wmi method with instance number 0x0 Date: Sat, 12 Aug 2017 09:44:16 +0200 Message-Id: <1502523858-25716-3-git-send-email-pali.rohar@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1502523858-25716-1-git-send-email-pali.rohar@gmail.com> References: <1502523858-25716-1-git-send-email-pali.rohar@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org According to available DSDT dump from Asus machine, there is the only one instance of the WMI GUID 97845ED0-4E6D-11DE-8A39-0800200C9A66 and so it is 0x0. Moreover corresponding method WMBC does not check Arg0 (instance number) at all. DSDT dump is available at: https://lwn.net/Articles/391249/ _WDG dump: 0xD0, 0x5E, 0x84, 0x97, 0x6D, 0x4E, 0xDE, 0x11, 0x8A, 0x39, 0x08, 0x00, 0x20, 0x0C, 0x9A, 0x66, 0x42, 0x43, // Object ID "BC" = method "WMBC" 0x01, // Instance count 0x02, // Flags Signed-off-by: Pali Rohár --- drivers/platform/x86/asus-wmi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index 709e3a6..48e1541 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -299,7 +299,7 @@ static int asus_wmi_evaluate_method(u32 method_id, u32 arg0, u32 arg1, union acpi_object *obj; u32 tmp = 0; - status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 1, method_id, + status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id, &input, &output); if (ACPI_FAILURE(status)) @@ -1946,7 +1946,7 @@ static int show_call(struct seq_file *m, void *data) acpi_status status; status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, - 1, asus->debug.method_id, + 0, asus->debug.method_id, &input, &output); if (ACPI_FAILURE(status)) -- 1.7.9.5