diff options
Diffstat (limited to 'drivers/platform/x86/alienware-wmi.c')
-rw-r--r-- | drivers/platform/x86/alienware-wmi.c | 31 |
1 files changed, 10 insertions, 21 deletions
diff --git a/drivers/platform/x86/alienware-wmi.c b/drivers/platform/x86/alienware-wmi.c index f10af5c383c5..5bb2859c8285 100644 --- a/drivers/platform/x86/alienware-wmi.c +++ b/drivers/platform/x86/alienware-wmi.c @@ -1,18 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Alienware AlienFX control * * Copyright (C) 2014 Dell Inc <mario_limonciello@dell.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -522,23 +512,22 @@ static acpi_status alienware_wmax_command(struct wmax_basic_args *in_args, input.length = (acpi_size) sizeof(*in_args); input.pointer = in_args; - if (out_data != NULL) { + if (out_data) { output.length = ACPI_ALLOCATE_BUFFER; output.pointer = NULL; status = wmi_evaluate_method(WMAX_CONTROL_GUID, 0, command, &input, &output); - } else + if (ACPI_SUCCESS(status)) { + obj = (union acpi_object *)output.pointer; + if (obj && obj->type == ACPI_TYPE_INTEGER) + *out_data = (u32)obj->integer.value; + } + kfree(output.pointer); + } else { status = wmi_evaluate_method(WMAX_CONTROL_GUID, 0, command, &input, NULL); - - if (ACPI_SUCCESS(status) && out_data != NULL) { - obj = (union acpi_object *)output.pointer; - if (obj && obj->type == ACPI_TYPE_INTEGER) - *out_data = (u32) obj->integer.value; } - kfree(output.pointer); return status; - } /* @@ -588,7 +577,7 @@ static ssize_t show_hdmi_source(struct device *dev, return scnprintf(buf, PAGE_SIZE, "input [gpu] unknown\n"); } - pr_err("alienware-wmi: unknown HDMI source status: %d\n", out_data); + pr_err("alienware-wmi: unknown HDMI source status: %u\n", status); return scnprintf(buf, PAGE_SIZE, "input gpu [unknown]\n"); } |