github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-07-27 17:47:41 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

platform/x86: alienware-wmi-base: Transition to new WMI API

Browse Source 
Transition to the new wmi_buffer based WMI API.

Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Reviewed-by: Armin Wolf <W_Armin@gmx.de>
Link: https://patch.msgid.link/20260429-aw-new-api-v5-1-7702668d04c6@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
This commit is contained in:
Kurt Borja 2026-04-29 08:27:02 -05:00 committed by Ilpo Järvinen
parent f5a8b9ee3c
commit 5809de26cc
No known key found for this signature in database
GPG Key ID: 59AC4F6153E5CE31
1 changed files with 18 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
drivers/platform/x86/dell/alienware-wmi-base.c
View File

@ -12,8 +12,13 @@
#include <linux/cleanup.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/dmi.h>
#include <linux/leds.h>
#include <asm/byteorder.h>
#include "alienware-wmi.h"
MODULE_AUTHOR("Mario Limonciello <mario.limonciello@outlook.com>");
@ -150,22 +155,22 @@ u8 alienware_interface;
int alienware_wmi_command(struct wmi_device *wdev, u32 method_id,
void *in_args, size_t in_size, u32 *out_data)
{
struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
struct acpi_buffer in = {in_size, in_args};
acpi_status ret;
struct wmi_buffer out, in = {
.data = in_args,
.length = in_size,
};
int ret;
ret = wmidev_evaluate_method(wdev, 0, method_id, &in, out_data ? &out : NULL);
if (ACPI_FAILURE(ret))
return -EIO;
if (!out_data)
return wmidev_invoke_procedure(wdev, 0, method_id, &in);
union acpi_object *obj __free(kfree) = out.pointer;
ret = wmidev_invoke_method(wdev, 0, method_id, &in, &out,
sizeof(*out_data));
if (ret)
return ret;
if (out_data) {
if (obj && obj->type == ACPI_TYPE_INTEGER)
*out_data = (u32)obj->integer.value;
else
return -ENOMSG;
}
__le32 *data __free(kfree) = out.data;
*out_data = le32_to_cpu(*data);
return 0;
}