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Message-ID: <1fe95e0e-611a-40e7-87aa-2a41610c2661@gmail.com>
Date: Sat, 1 Nov 2025 14:15:57 +0100
From: Denis Benato <benato.denis96@...il.com>
To: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
Denis Benato <denis.benato@...ux.dev>
Cc: LKML <linux-kernel@...r.kernel.org>, platform-driver-x86@...r.kernel.org,
Hans de Goede <hdegoede@...hat.com>,
"Limonciello, Mario" <mario.limonciello@....com>,
"Luke D . Jones" <luke@...nes.dev>, Alok Tiwari <alok.a.tiwari@...cle.com>,
Derek John Clark <derekjohn.clark@...il.com>,
Mateusz Schyboll <dragonn@...pl>, porfet828@...il.com
Subject: Re: [PATCH v16 2/9] platform/x86: asus-armoury: move existing tunings
to asus-armoury module
On 10/30/25 15:16, Ilpo Järvinen wrote:
> On Thu, 30 Oct 2025, Denis Benato wrote:
>
>> From: "Luke D. Jones" <luke@...nes.dev>
>>
>> The fw_attributes_class provides a much cleaner interface to all of the
>> attributes introduced to asus-wmi. This patch moves all of these extra
>> attributes over to fw_attributes_class, and shifts the bulk of these
>> definitions to a new kernel module to reduce the clutter of asus-wmi
>> with the intention of deprecating the asus-wmi attributes in future.
>>
>> The work applies only to WMI methods which don't have a clearly defined
>> place within the sysfs and as a result ended up lumped together in
>> /sys/devices/platform/asus-nb-wmi/ with no standard API.
>>
>> Where possible the fw attrs now implement defaults, min, max, scalar,
>> choices, etc. As en example dgpu_disable becomes:
>>
>> /sys/class/firmware-attributes/asus-armoury/attributes/dgpu_disable/
>> ├── current_value
>> ├── display_name
>> ├── possible_values
>> └── type
>>
>> as do other attributes.
>>
>> Co-developed-by: Denis Benato <denis.benato@...ux.dev>
>> Signed-off-by: Denis Benato <denis.benato@...ux.dev>
>> Signed-off-by: Luke D. Jones <luke@...nes.dev>
>> ---
>> drivers/hid/hid-asus.c | 1 +
>> drivers/platform/x86/Kconfig | 12 +
>> drivers/platform/x86/Makefile | 1 +
>> drivers/platform/x86/asus-armoury.c | 756 ++++++++++++++++++
>> drivers/platform/x86/asus-armoury.h | 163 ++++
>> drivers/platform/x86/asus-wmi.c | 10 +-
>> .../platform_data/x86/asus-wmi-leds-ids.h | 50 ++
>> include/linux/platform_data/x86/asus-wmi.h | 43 +-
>> 8 files changed, 990 insertions(+), 46 deletions(-)
>> create mode 100644 drivers/platform/x86/asus-armoury.c
>> create mode 100644 drivers/platform/x86/asus-armoury.h
>> create mode 100644 include/linux/platform_data/x86/asus-wmi-leds-ids.h
>>
>> diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c
>> index a444d41e53b6..472bca54642b 100644
>> --- a/drivers/hid/hid-asus.c
>> +++ b/drivers/hid/hid-asus.c
>> @@ -27,6 +27,7 @@
>> #include <linux/hid.h>
>> #include <linux/module.h>
>> #include <linux/platform_data/x86/asus-wmi.h>
>> +#include <linux/platform_data/x86/asus-wmi-leds-ids.h>
>> #include <linux/input/mt.h>
>> #include <linux/usb.h> /* For to_usb_interface for T100 touchpad intf check */
>> #include <linux/power_supply.h>
>> diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
>> index 46e62feeda3c..8b827680754c 100644
>> --- a/drivers/platform/x86/Kconfig
>> +++ b/drivers/platform/x86/Kconfig
>> @@ -262,6 +262,18 @@ config ASUS_WIRELESS
>> If you choose to compile this driver as a module the module will be
>> called asus-wireless.
>>
>> +config ASUS_ARMOURY
>> + tristate "ASUS Armoury driver"
>> + depends on ASUS_WMI
>> + select FW_ATTR_CLASS
>> + help
>> + Say Y here if you have a WMI aware Asus machine and would like to use the
>> + firmware_attributes API to control various settings typically exposed in
>> + the ASUS Armoury Crate application available on Windows.
>> +
>> + To compile this driver as a module, choose M here: the module will
>> + be called asus-armoury.
>> +
>> config ASUS_WMI
>> tristate "ASUS WMI Driver"
>> depends on ACPI_WMI
>> diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile
>> index c7db2a88c11a..4b1220f9b194 100644
>> --- a/drivers/platform/x86/Makefile
>> +++ b/drivers/platform/x86/Makefile
>> @@ -33,6 +33,7 @@ obj-$(CONFIG_APPLE_GMUX) += apple-gmux.o
>> # ASUS
>> obj-$(CONFIG_ASUS_LAPTOP) += asus-laptop.o
>> obj-$(CONFIG_ASUS_WIRELESS) += asus-wireless.o
>> +obj-$(CONFIG_ASUS_ARMOURY) += asus-armoury.o
>> obj-$(CONFIG_ASUS_WMI) += asus-wmi.o
>> obj-$(CONFIG_ASUS_NB_WMI) += asus-nb-wmi.o
>> obj-$(CONFIG_ASUS_TF103C_DOCK) += asus-tf103c-dock.o
>> diff --git a/drivers/platform/x86/asus-armoury.c b/drivers/platform/x86/asus-armoury.c
>> new file mode 100644
>> index 000000000000..c5fe61557582
>> --- /dev/null
>> +++ b/drivers/platform/x86/asus-armoury.c
>> @@ -0,0 +1,756 @@
>> +// SPDX-License-Identifier: GPL-2.0-or-later
>> +/*
>> + * Asus Armoury (WMI) attributes driver.
>> + *
>> + * This driver uses the fw_attributes class to expose various WMI functions
>> + * that are present in many gaming and some non-gaming ASUS laptops.
>> + *
>> + * These typically don't fit anywhere else in the sysfs such as under LED class,
>> + * hwmon or others, and are set in Windows using the ASUS Armoury Crate tool.
>> + *
>> + * Copyright(C) 2024 Luke Jones <luke@...nes.dev>
>> + */
>> +
>> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
>> +
>> +#include <linux/acpi.h>
>> +#include <linux/array_size.h>
>> +#include <linux/bitfield.h>
>> +#include <linux/device.h>
>> +#include <linux/dmi.h>
>> +#include <linux/err.h>
>> +#include <linux/errno.h>
>> +#include <linux/fs.h>
>> +#include <linux/kernel.h>
>> +#include <linux/kmod.h>
>> +#include <linux/kobject.h>
>> +#include <linux/kstrtox.h>
>> +#include <linux/module.h>
>> +#include <linux/mutex.h>
>> +#include <linux/pci.h>
>> +#include <linux/platform_data/x86/asus-wmi.h>
>> +#include <linux/printk.h>
>> +#include <linux/sysfs.h>
>> +
>> +#include "asus-armoury.h"
>> +#include "firmware_attributes_class.h"
>> +
>> +#define ASUS_NB_WMI_EVENT_GUID "0B3CBB35-E3C2-45ED-91C2-4C5A6D195D1C"
>> +
>> +#define ASUS_MINI_LED_MODE_MASK GENMASK(1, 0)
>> +/* Standard modes for devices with only on/off */
>> +#define ASUS_MINI_LED_OFF 0x00
>> +#define ASUS_MINI_LED_ON 0x01
>> +/* Like "on" but the effect is more vibrant or brighter */
>> +#define ASUS_MINI_LED_STRONG_MODE 0x02
>> +/* New modes for devices with 3 mini-led mode types */
>> +#define ASUS_MINI_LED_2024_WEAK 0x00
>> +#define ASUS_MINI_LED_2024_STRONG 0x01
>> +#define ASUS_MINI_LED_2024_OFF 0x02
>> +
>> +struct asus_armoury_priv {
>> + struct device *fw_attr_dev;
>> + struct kset *fw_attr_kset;
>> +
>> + /*
>> + * Mutex to protect eGPU activation/deactivation
>> + * sequences and dGPU connection status:
>> + * do not allow concurrent changes or changes
>> + * before a reboot if dGPU got disabled.
>> + */
>> + struct mutex egpu_mutex;
>> +
>> + u32 mini_led_dev_id;
>> + u32 gpu_mux_dev_id;
>> +};
>> +
>> +static struct asus_armoury_priv asus_armoury = {
>> + .egpu_mutex = __MUTEX_INITIALIZER(asus_armoury.egpu_mutex),
>> +};
>> +
>> +struct fw_attrs_group {
>> + bool pending_reboot;
>> +};
>> +
>> +static struct fw_attrs_group fw_attrs = {
>> + .pending_reboot = false,
>> +};
>> +
>> +struct asus_attr_group {
>> + const struct attribute_group *attr_group;
>> + u32 wmi_devid;
>> +};
>> +
>> +static void asus_set_reboot_and_signal_event(void)
>> +{
>> + fw_attrs.pending_reboot = true;
>> + kobject_uevent(&asus_armoury.fw_attr_dev->kobj, KOBJ_CHANGE);
>> +}
>> +
>> +static ssize_t pending_reboot_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf)
>> +{
>> + return sysfs_emit(buf, "%d\n", fw_attrs.pending_reboot);
>> +}
>> +
>> +static struct kobj_attribute pending_reboot = __ATTR_RO(pending_reboot);
>> +
>> +static bool asus_bios_requires_reboot(struct kobj_attribute *attr)
>> +{
>> + return !strcmp(attr->attr.name, "gpu_mux_mode");
>> +}
>> +
>> +/**
>> + * armoury_has_devstate() - Check presence of the WMI function state.
>> + *
>> + * @dev_id: The WMI method ID to check for presence.
>> + *
>> + * Returns: true iif method is supported.
>> + */
>> +static bool armoury_has_devstate(u32 dev_id)
>> +{
>> + u32 retval;
>> + int status;
>> +
>> + status = asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS, dev_id, 0, &retval);
>> + pr_debug("%s called (0x%08x), retval: 0x%08x\n", __func__, dev_id, retval);
>> +
>> + return status == 0 && (retval & ASUS_WMI_DSTS_PRESENCE_BIT);
>> +}
>> +
>> +/**
>> + * armoury_get_devstate() - Get the WMI function state.
>> + * @attr: NULL or the kobj_attribute associated to called WMI function.
>> + * @dev_id: The WMI method ID to call.
>> + * @retval:
>> + * * non-NULL pointer to where to store the value returned from WMI
>> + * * with the function presence bit cleared.
>> + *
>> + * Intended usage is from sysfs attribute checking associated WMI function.
>> + *
>> + * Returns:
>> + * * %-ENODEV - method ID is unsupported.
>> + * * %0 - successful and retval is filled.
>> + * * %other - error from WMI call.
>> + */
>> +static int armoury_get_devstate(struct kobj_attribute *attr, u32 *retval, u32 dev_id)
>> +{
>> + int err;
>> +
>> + err = asus_wmi_get_devstate_dsts(dev_id, retval);
>> + if (err) {
>> + if (attr)
>> + pr_err("Failed to get %s: %d\n", attr->attr.name, err);
>> + else
>> + pr_err("Failed to get devstate for 0x%x: %d\n", dev_id, err);
>> +
>> + return err;
>> + }
>> +
>> + /*
>> + * asus_wmi_get_devstate_dsts will populate retval with WMI return, but
>> + * the true value is expressed when ASUS_WMI_DSTS_PRESENCE_BIT is clear.
>> + */
>> + *retval &= ~ASUS_WMI_DSTS_PRESENCE_BIT;
>> +
>> + return 0;
>> +}
>> +
>> +/**
>> + * armoury_set_devstate() - Set the WMI function state.
>> + * @attr: The kobj_attribute associated to called WMI function.
>> + * @dev_id: The WMI method ID to call.
>> + * @retval:
>> + * * Pointer to where to store the value returned from WMI or NULL.
>> + *
>> + * Intended usage is from sysfs attribute setting associated WMI function.
>> + * Before calling set the presence of the function should be checked.
>> + *
>> + * Results !1 is usually considered a fail by ASUS, but some WMI methods
>> + * (like eGPU or CPU cores) do use > 1 to return a status code or similar:
>> + * in these cases caller is interested in the actual return value
>> + * and should perform relevant checks.
>> + *
>> + * Returns:
>> + * * %-EIO - WMI function returned an error.
>> + * * %0 - successful and retval is filled.
>> + * * %other - error from WMI call.
>> + */
>> +static int armoury_set_devstate(struct kobj_attribute *attr,
>> + u32 value, u32 *retval, u32 dev_id)
>> +{
>> + u32 result;
>> + int err;
>> +
>> + err = asus_wmi_set_devstate(dev_id, value, retval ? retval : &result);
>> + if (err) {
>> + if (attr)
>> + pr_err("Failed to set %s: %d\n", attr->attr.name, err);
>> + else
>> + pr_err("Failed to set devstate for 0x%x: %d\n", dev_id, err);
>> +
>> + return err;
>> + }
>> +
>> + /*
>> + * If retval == NULL caller is uninterested in return value:
>> + * perform the most common result check here.
>> + */
>> + if ((retval == NULL) && (result == 0)) {
>> + pr_err("Failed to set %s: (result): 0x%x\n", attr->attr.name, result);
>> + return -EIO;
>> + }
>> +
>> + return 0;
>> +}
>> +
>> +static int attr_enum_list(char *buf, size_t enum_values)
>> +{
>> + size_t i;
>> + int len = 0;
>> +
>> + for (i = 0; i < enum_values; i++) {
>> + if (i == 0)
>> + len += sysfs_emit_at(buf, len, "%zu", i);
>> + else
>> + len += sysfs_emit_at(buf, len, ";%zu", i);
>> + }
>> + len += sysfs_emit_at(buf, len, "\n");
>> +
>> + return len;
>> +}
>> +
>> +/**
>> + * attr_uint_store() - Send an uint to WMI method if within min/max inclusive.
>> + * @kobj: Pointer to the driver object.
>> + * @attr: Pointer to the attribute calling this function.
>> + * @buf: The buffer to read from, this is parsed to `uint` type.
>> + * @count: Required by sysfs attribute macros, pass in from the callee attr.
>> + * @min: Minimum accepted value. Below this returns -EINVAL.
>> + * @max: Maximum accepted value. Above this returns -EINVAL.
>> + * @store_value: Pointer to where the parsed value should be stored.
>> + * @wmi_dev: The WMI function ID to use.
>> + *
>> + * This function is intended to be generic so it can be called from any "_store"
>> + * attribute which works only with integers.
>> + * Integer to be sent to the WMI method is range checked and
>> + * an error returned if out of range.
>> + *
>> + * If the value is valid and WMI is success then the sysfs attribute is notified
>> + * and if asus_bios_requires_reboot() is true then reboot attribute
>> + * is also notified.
>> + *
>> + * Returns: Either count, or an error.
>> + */
>> +static ssize_t attr_uint_store(struct kobject *kobj, struct kobj_attribute *attr, const char *buf,
>> + size_t count, u32 min, u32 max, u32 *store_value, u32 wmi_dev)
>> +{
>> + u32 value;
>> + int err;
>> +
>> + err = kstrtou32(buf, 10, &value);
>> + if (err)
>> + return err;
>> +
>> + if (value < min || value > max)
>> + return -EINVAL;
>> +
>> + err = armoury_set_devstate(attr, value, NULL, wmi_dev);
>> + if (err)
>> + return err;
>> +
>> + if (store_value != NULL)
>> + *store_value = value;
>> + sysfs_notify(kobj, NULL, attr->attr.name);
>> +
>> + if (asus_bios_requires_reboot(attr))
>> + asus_set_reboot_and_signal_event();
>> +
>> + return count;
>> +}
>> +
>> +static ssize_t enum_type_show(struct kobject *kobj, struct kobj_attribute *attr,
>> + char *buf)
>> +{
>> + return sysfs_emit(buf, "enumeration\n");
>> +}
>> +
>> +/* Mini-LED mode **************************************************************/
>> +static ssize_t mini_led_mode_current_value_show(struct kobject *kobj,
>> + struct kobj_attribute *attr, char *buf)
>> +{
>> + u32 value;
>> + int err;
>> +
>> + err = armoury_get_devstate(attr, &value, asus_armoury.mini_led_dev_id);
>> + if (err)
>> + return err;
>> +
>> + value = FIELD_GET(ASUS_MINI_LED_MODE_MASK, 0);
>> +
>> + /*
>> + * Remap the mode values to match previous generation mini-LED. The last gen
>> + * WMI 0 == off, while on this version WMI 2 == off (flipped).
>> + */
>> + if (asus_armoury.mini_led_dev_id == ASUS_WMI_DEVID_MINI_LED_MODE2) {
>> + switch (value) {
>> + case ASUS_MINI_LED_2024_WEAK:
>> + value = ASUS_MINI_LED_ON;
>> + break;
>> + case ASUS_MINI_LED_2024_STRONG:
>> + value = ASUS_MINI_LED_STRONG_MODE;
>> + break;
>> + case ASUS_MINI_LED_2024_OFF:
>> + value = ASUS_MINI_LED_OFF;
>> + break;
>> + }
>> + }
>> +
>> + return sysfs_emit(buf, "%u\n", value);
>> +}
>> +
>> +static ssize_t mini_led_mode_current_value_store(struct kobject *kobj,
>> + struct kobj_attribute *attr,
>> + const char *buf, size_t count)
>> +{
>> + u32 mode;
>> + int err;
>> +
>> + err = kstrtou32(buf, 10, &mode);
>> + if (err)
>> + return err;
>> +
>> + if (asus_armoury.mini_led_dev_id == ASUS_WMI_DEVID_MINI_LED_MODE &&
>> + mode > ASUS_MINI_LED_ON)
>> + return -EINVAL;
>> +
>> + /*
>> + * Remap the mode values so expected behaviour is the same as the last
>> + * generation of mini-LED with 0 == off, 1 == on.
>> + */
>> + if (asus_armoury.mini_led_dev_id == ASUS_WMI_DEVID_MINI_LED_MODE2) {
>> + switch (mode) {
>> + case ASUS_MINI_LED_OFF:
>> + mode = ASUS_MINI_LED_2024_OFF;
>> + break;
>> + case ASUS_MINI_LED_ON:
>> + mode = ASUS_MINI_LED_2024_WEAK;
>> + break;
>> + case ASUS_MINI_LED_STRONG_MODE:
>> + mode = ASUS_MINI_LED_2024_STRONG;
>> + break;
>> + default:
>> + return -EINVAL;
>> + }
>> + }
>> +
>> + err = armoury_set_devstate(attr, mode, NULL, asus_armoury.mini_led_dev_id);
>> + if (err)
>> + return err;
>> +
>> + sysfs_notify(kobj, NULL, attr->attr.name);
>> +
>> + return count;
>> +}
>> +
>> +static ssize_t mini_led_mode_possible_values_show(struct kobject *kobj,
>> + struct kobj_attribute *attr, char *buf)
>> +{
>> + switch (asus_armoury.mini_led_dev_id) {
>> + case ASUS_WMI_DEVID_MINI_LED_MODE:
>> + return sysfs_emit(buf, "0;1\n");
>> + case ASUS_WMI_DEVID_MINI_LED_MODE2:
>> + return sysfs_emit(buf, "0;1;2\n");
> These could have used the code in attr_enum_list() as well?
Indeed.
>> + default:
>> + return -ENODEV;
>> + }
>> +}
>> +ASUS_ATTR_GROUP_ENUM(mini_led_mode, "mini_led_mode", "Set the mini-LED backlight mode");
>> +
>> +static ssize_t gpu_mux_mode_current_value_store(struct kobject *kobj,
>> + struct kobj_attribute *attr,
>> + const char *buf, size_t count)
>> +{
>> + int result, err;
>> + bool optimus;
>> +
>> + err = kstrtobool(buf, &optimus);
>> + if (err)
>> + return err;
>> +
>> + if (armoury_has_devstate(ASUS_WMI_DEVID_DGPU)) {
>> + err = armoury_get_devstate(NULL, &result, ASUS_WMI_DEVID_DGPU);
>> + if (err)
>> + return err;
>> + if (result && !optimus) {
>> + pr_warn("Cannot switch MUX to dGPU mode when dGPU is disabled: %02X\n",
>> + result);
>> + return -ENODEV;
>> + }
>> + }
>> +
>> + if (armoury_has_devstate(ASUS_WMI_DEVID_EGPU)) {
>> + err = armoury_get_devstate(NULL, &result, ASUS_WMI_DEVID_EGPU);
>> + if (err)
>> + return err;
>> + if (result && !optimus) {
>> + pr_warn("Cannot switch MUX to dGPU mode when eGPU is enabled\n");
>> + return -EBUSY;
>> + }
>> + }
>> +
>> + err = armoury_set_devstate(attr, optimus ? 1 : 0, NULL, asus_armoury.gpu_mux_dev_id);
>> + if (err)
>> + return err;
>> +
>> + sysfs_notify(kobj, NULL, attr->attr.name);
>> + asus_set_reboot_and_signal_event();
>> +
>> + return count;
>> +}
>> +ASUS_WMI_SHOW_INT(gpu_mux_mode_current_value, "%u\n", asus_armoury.gpu_mux_dev_id);
>> +ASUS_ATTR_GROUP_BOOL(gpu_mux_mode, "gpu_mux_mode", "Set the GPU display MUX mode");
>> +
>> +static ssize_t dgpu_disable_current_value_store(struct kobject *kobj,
>> + struct kobj_attribute *attr, const char *buf,
>> + size_t count)
>> +{
>> + int result, err;
>> + bool disable;
>> +
>> + err = kstrtobool(buf, &disable);
>> + if (err)
>> + return err;
>> +
>> + if (asus_armoury.gpu_mux_dev_id) {
>> + err = armoury_get_devstate(NULL, &result, asus_armoury.gpu_mux_dev_id);
>> + if (err)
>> + return err;
>> + if (!result && disable) {
>> + pr_warn("Cannot disable dGPU when the MUX is in dGPU mode\n");
>> + return -EBUSY;
>> + }
>> + }
>> +
>> + scoped_guard(mutex, &asus_armoury.egpu_mutex) {
>> + err = armoury_set_devstate(attr, disable ? 1 : 0, NULL, ASUS_WMI_DEVID_DGPU);
>> + if (err)
>> + return err;
>> + }
>> +
>> + sysfs_notify(kobj, NULL, attr->attr.name);
>> +
>> + return count;
>> +}
>> +ASUS_WMI_SHOW_INT(dgpu_disable_current_value, "%d\n", ASUS_WMI_DEVID_DGPU);
>> +ASUS_ATTR_GROUP_BOOL(dgpu_disable, "dgpu_disable", "Disable the dGPU");
>> +
>> +/* Values map for eGPU activation requests. */
>> +static u32 egpu_status_map[] = {
>> + [0] = 0x00000000U,
>> + [1] = 0x00000001U,
>> + [2] = 0x00000101U,
>> + [3] = 0x00000201U,
>> +};
>> +
>> +/*
>> + * armoury_pci_rescan() - Performs a PCI rescan
>> + *
>> + * Bring up any GPU that has been hotplugged in the system.
>> + */
>> +static void armoury_pci_rescan(void)
>> +{
>> + struct pci_bus *b = NULL;
>> +
>> + pci_lock_rescan_remove();
>> + while ((b = pci_find_next_bus(b)) != NULL)
>> + pci_rescan_bus(b);
>> + pci_unlock_rescan_remove();
>> +}
>> +
>> +/*
>> + * The ACPI call to enable the eGPU might also disable the internal dGPU,
>> + * but this is not always the case and on certain models enabling the eGPU
>> + * when the dGPU is either still active or has been disabled without rebooting
>> + * will make both GPUs malfunction and the kernel will detect many
>> + * PCI AER unrecoverable errors.
>> + */
>> +static ssize_t egpu_enable_current_value_store(struct kobject *kobj, struct kobj_attribute *attr,
>> + const char *buf, size_t count)
>> +{
>> + int err;
>> + u32 requested, enable, result;
>> +
>> + err = kstrtou32(buf, 10, &requested);
>> + if (err)
>> + return err;
>> +
>> + if (requested >= ARRAY_SIZE(egpu_status_map))
>> + return -EINVAL;
>> + enable = egpu_status_map[requested];
>> +
>> + scoped_guard(mutex, &asus_armoury.egpu_mutex) {
>> + /* Ensure the eGPU is connected before attempting to activate it. */
>> + if (enable) {
>> + err = armoury_get_devstate(NULL, &result, ASUS_WMI_DEVID_EGPU_CONNECTED);
>> + if (err) {
>> + pr_warn("Failed to get eGPU connection status: %d\n", err);
>> + return err;
>> + }
>> + if (!result) {
>> + pr_warn("Cannot activate eGPU while undetected\n");
>> + return -ENOENT;
>> + }
>> + }
>> +
>> + if (asus_armoury.gpu_mux_dev_id) {
>> + err = armoury_get_devstate(NULL, &result, asus_armoury.gpu_mux_dev_id);
>> + if (err)
>> + return err;
>> +
>> + if (!result && enable) {
>> + pr_warn("Cannot enable eGPU when the MUX is in dGPU mode\n");
>> + return -ENODEV;
>> + }
>> + }
>> +
>> + err = armoury_set_devstate(attr, enable, &result, ASUS_WMI_DEVID_EGPU);
>> + if (err) {
>> + pr_err("Failed to set %s: %d\n", attr->attr.name, err);
>> + return err;
>> + }
>> +
>> + /*
>> + * ACPI returns value 0x01 on success and 0x02 on a partial activation:
>> + * performing a pci rescan will bring up the device in pci-e 3.0 speed,
>> + * after a reboot the device will work at full speed.
>> + */
>> + switch (result) {
>> + case 0x01:
>> + /*
>> + * When a GPU is in use it does not get disconnected even if
>> + * the ACPI call returns a success.
>> + */
>> + if (!enable) {
>> + err = armoury_get_devstate(attr, &result, ASUS_WMI_DEVID_EGPU);
>> + if (err) {
>> + pr_warn("Failed to ensure eGPU is deactivated: %d\n", err);
>> + return err;
>> + }
>> +
>> + if (result != 0)
>> + return -EBUSY;
>> + }
>> +
>> + pr_debug("Success changing the eGPU status\n");
>> + break;
>> + case 0x02:
>> + pr_info("Success changing the eGPU status, a reboot is strongly advised\n");
>> + asus_set_reboot_and_signal_event();
>> + break;
>> + default:
>> + pr_err("Failed to change the eGPU status: wmi result is 0x%x\n", result);
>> + return -EIO;
>> + }
>> + }
>> +
>> + /*
>> + * Perform a PCI rescan: on every tested model this is necessary
>> + * to make the eGPU visible on the bus without rebooting.
>> + */
>> + armoury_pci_rescan();
>> +
>> + sysfs_notify(kobj, NULL, attr->attr.name);
>> +
>> + return count;
>> +}
>> +
>> +static ssize_t egpu_enable_current_value_show(struct kobject *kobj, struct kobj_attribute *attr,
>> + char *buf)
>> +{
>> + int i, err;
>> + u32 status;
>> +
>> + scoped_guard(mutex, &asus_armoury.egpu_mutex) {
>> + err = armoury_get_devstate(attr, &status, ASUS_WMI_DEVID_EGPU);
>> + if (err)
>> + return err;
>> + }
>> +
>> + for (i = 0; i < ARRAY_SIZE(egpu_status_map); i++) {
>> + if (egpu_status_map[i] == status)
>> + return sysfs_emit(buf, "%u\n", i);
>> + }
>> +
>> + return -EIO;
>> +}
>> +
>> +static ssize_t egpu_enable_possible_values_show(struct kobject *kobj, struct kobj_attribute *attr,
>> + char *buf)
>> +{
>> + return attr_enum_list(buf, ARRAY_SIZE(egpu_status_map));
>> +}
>> +ASUS_ATTR_GROUP_ENUM(egpu_enable, "egpu_enable", "Enable the eGPU (also disables dGPU)");
>> +
>> +/* Simple attribute creation */
>> +ASUS_ATTR_GROUP_ENUM_INT_RO(charge_mode, "charge_mode", ASUS_WMI_DEVID_CHARGE_MODE, "0;1;2",
>> + "Show the current mode of charging");
>> +ASUS_ATTR_GROUP_BOOL_RW(boot_sound, "boot_sound", ASUS_WMI_DEVID_BOOT_SOUND,
>> + "Set the boot POST sound");
>> +ASUS_ATTR_GROUP_BOOL_RW(mcu_powersave, "mcu_powersave", ASUS_WMI_DEVID_MCU_POWERSAVE,
>> + "Set MCU powersaving mode");
>> +ASUS_ATTR_GROUP_BOOL_RW(panel_od, "panel_overdrive", ASUS_WMI_DEVID_PANEL_OD,
>> + "Set the panel refresh overdrive");
>> +ASUS_ATTR_GROUP_BOOL_RO(egpu_connected, "egpu_connected", ASUS_WMI_DEVID_EGPU_CONNECTED,
>> + "Show the eGPU connection status");
>> +
>> +/* If an attribute does not require any special case handling add it here */
>> +static const struct asus_attr_group armoury_attr_groups[] = {
>> + { &egpu_connected_attr_group, ASUS_WMI_DEVID_EGPU_CONNECTED },
>> + { &egpu_enable_attr_group, ASUS_WMI_DEVID_EGPU },
>> + { &dgpu_disable_attr_group, ASUS_WMI_DEVID_DGPU },
>> +
>> + { &charge_mode_attr_group, ASUS_WMI_DEVID_CHARGE_MODE },
>> + { &boot_sound_attr_group, ASUS_WMI_DEVID_BOOT_SOUND },
>> + { &mcu_powersave_attr_group, ASUS_WMI_DEVID_MCU_POWERSAVE },
>> + { &panel_od_attr_group, ASUS_WMI_DEVID_PANEL_OD },
>> +};
>> +
>> +static int asus_fw_attr_add(void)
>> +{
>> + int err, i;
>> +
>> + asus_armoury.fw_attr_dev = device_create(&firmware_attributes_class, NULL, MKDEV(0, 0),
>> + NULL, "%s", DRIVER_NAME);
>> + if (IS_ERR(asus_armoury.fw_attr_dev)) {
>> + err = PTR_ERR(asus_armoury.fw_attr_dev);
>> + goto fail_class_get;
>> + }
>> +
>> + asus_armoury.fw_attr_kset = kset_create_and_add("attributes", NULL,
>> + &asus_armoury.fw_attr_dev->kobj);
>> + if (!asus_armoury.fw_attr_kset) {
>> + err = -ENOMEM;
>> + goto err_destroy_classdev;
>> + }
>> +
>> + err = sysfs_create_file(&asus_armoury.fw_attr_kset->kobj, &pending_reboot.attr);
>> + if (err) {
>> + pr_err("Failed to create sysfs level attributes\n");
>> + goto err_destroy_kset;
>> + }
>> +
>> + asus_armoury.mini_led_dev_id = 0;
>> + if (armoury_has_devstate(ASUS_WMI_DEVID_MINI_LED_MODE))
>> + asus_armoury.mini_led_dev_id = ASUS_WMI_DEVID_MINI_LED_MODE;
>> + else if (armoury_has_devstate(ASUS_WMI_DEVID_MINI_LED_MODE2))
>> + asus_armoury.mini_led_dev_id = ASUS_WMI_DEVID_MINI_LED_MODE2;
>> +
>> + if (asus_armoury.mini_led_dev_id) {
>> + err = sysfs_create_group(&asus_armoury.fw_attr_kset->kobj,
>> + &mini_led_mode_attr_group);
>> + if (err) {
>> + pr_err("Failed to create sysfs-group for mini_led\n");
>> + goto err_remove_file;
>> + }
>> + }
>> +
>> + asus_armoury.gpu_mux_dev_id = 0;
>> + if (armoury_has_devstate(ASUS_WMI_DEVID_GPU_MUX))
>> + asus_armoury.gpu_mux_dev_id = ASUS_WMI_DEVID_GPU_MUX;
>> + else if (armoury_has_devstate(ASUS_WMI_DEVID_GPU_MUX_VIVO))
>> + asus_armoury.gpu_mux_dev_id = ASUS_WMI_DEVID_GPU_MUX_VIVO;
>> +
>> + if (asus_armoury.gpu_mux_dev_id) {
>> + err = sysfs_create_group(&asus_armoury.fw_attr_kset->kobj,
>> + &gpu_mux_mode_attr_group);
>> + if (err) {
>> + pr_err("Failed to create sysfs-group for gpu_mux\n");
>> + goto err_remove_mini_led_group;
>> + }
>> + }
>> +
>> + for (i = 0; i < ARRAY_SIZE(armoury_attr_groups); i++) {
>> + if (!armoury_has_devstate(armoury_attr_groups[i].wmi_devid))
>> + continue;
>> +
>> + err = sysfs_create_group(&asus_armoury.fw_attr_kset->kobj,
>> + armoury_attr_groups[i].attr_group);
>> + if (err) {
>> + pr_err("Failed to create sysfs-group for %s\n",
>> + armoury_attr_groups[i].attr_group->name);
>> + goto err_remove_groups;
>> + }
>> + }
>> +
>> + return 0;
>> +
>> +err_remove_groups:
>> + while (i--) {
>> + if (armoury_has_devstate(armoury_attr_groups[i].wmi_devid))
>> + sysfs_remove_group(&asus_armoury.fw_attr_kset->kobj,
>> + armoury_attr_groups[i].attr_group);
>> + }
>> + if (asus_armoury.gpu_mux_dev_id)
>> + sysfs_remove_group(&asus_armoury.fw_attr_kset->kobj, &gpu_mux_mode_attr_group);
>> +err_remove_mini_led_group:
>> + if (asus_armoury.mini_led_dev_id)
>> + sysfs_remove_group(&asus_armoury.fw_attr_kset->kobj, &mini_led_mode_attr_group);
>> +err_remove_file:
>> + sysfs_remove_file(&asus_armoury.fw_attr_kset->kobj, &pending_reboot.attr);
>> +err_destroy_kset:
>> + kset_unregister(asus_armoury.fw_attr_kset);
>> +err_destroy_classdev:
>> +fail_class_get:
>> + device_destroy(&firmware_attributes_class, MKDEV(0, 0));
>> + return err;
>> +}
>> +
>> +/* Init / exit ****************************************************************/
>> +
>> +static int __init asus_fw_init(void)
>> +{
>> + char *wmi_uid;
>> +
>> + wmi_uid = wmi_get_acpi_device_uid(ASUS_WMI_MGMT_GUID);
>> + if (!wmi_uid)
>> + return -ENODEV;
>> +
>> + /*
>> + * if equal to "ASUSWMI" then it's DCTS that can't be used for this
>> + * driver, DSTS is required.
>> + */
>> + if (!strcmp(wmi_uid, ASUS_ACPI_UID_ASUSWMI))
>> + return -ENODEV;
>> +
>> + return asus_fw_attr_add();
>> +}
>> +
>> +static void __exit asus_fw_exit(void)
>> +{
>> + int i;
>> +
>> + for (i = ARRAY_SIZE(armoury_attr_groups) - 1; i >= 0; i--) {
>> + if (armoury_has_devstate(armoury_attr_groups[i].wmi_devid))
>> + sysfs_remove_group(&asus_armoury.fw_attr_kset->kobj,
>> + armoury_attr_groups[i].attr_group);
>> + }
>> +
>> + if (asus_armoury.gpu_mux_dev_id)
>> + sysfs_remove_group(&asus_armoury.fw_attr_kset->kobj, &gpu_mux_mode_attr_group);
>> +
>> + if (asus_armoury.mini_led_dev_id)
>> + sysfs_remove_group(&asus_armoury.fw_attr_kset->kobj, &mini_led_mode_attr_group);
>> +
>> + sysfs_remove_file(&asus_armoury.fw_attr_kset->kobj, &pending_reboot.attr);
>> + kset_unregister(asus_armoury.fw_attr_kset);
>> + device_destroy(&firmware_attributes_class, MKDEV(0, 0));
>> +}
>> +
>> +module_init(asus_fw_init);
>> +module_exit(asus_fw_exit);
>> +
>> +MODULE_IMPORT_NS("ASUS_WMI");
>> +MODULE_AUTHOR("Luke Jones <luke@...nes.dev>");
>> +MODULE_DESCRIPTION("ASUS BIOS Configuration Driver");
>> +MODULE_LICENSE("GPL");
>> +MODULE_ALIAS("wmi:" ASUS_NB_WMI_EVENT_GUID);
>> diff --git a/drivers/platform/x86/asus-armoury.h b/drivers/platform/x86/asus-armoury.h
>> new file mode 100644
>> index 000000000000..9f2c98df5fd7
>> --- /dev/null
>> +++ b/drivers/platform/x86/asus-armoury.h
>> @@ -0,0 +1,163 @@
>> +/* SPDX-License-Identifier: GPL-2.0
>> + *
>> + * Definitions for kernel modules using asus-armoury driver
>> + *
>> + * Copyright (c) 2024 Luke Jones <luke@...nes.dev>
> Nit, extra space.
>
>> + */
>> +
>> +#ifndef _ASUS_ARMOURY_H_
>> +#define _ASUS_ARMOURY_H_
>> +
>> +#include <linux/types.h>
>> +#include <linux/platform_device.h>
>> +
>> +#define DRIVER_NAME "asus-armoury"
>> +
>> +#define __ASUS_ATTR_RO(_func, _name) \
>> + { \
>> + .attr = { .name = __stringify(_name), .mode = 0444 }, \
>> + .show = _func##_##_name##_show, \
>> + }
>> +
>> +#define __ASUS_ATTR_RO_AS(_name, _show) \
>> + { \
>> + .attr = { .name = __stringify(_name), .mode = 0444 }, \
>> + .show = _show, \
>> + }
>> +
>> +#define __ASUS_ATTR_RW(_func, _name) \
>> + __ATTR(_name, 0644, _func##_##_name##_show, _func##_##_name##_store)
>> +
>> +#define __WMI_STORE_INT(_attr, _min, _max, _wmi) \
>> + static ssize_t _attr##_store(struct kobject *kobj, \
>> + struct kobj_attribute *attr, \
>> + const char *buf, size_t count) \
>> + { \
>> + return attr_uint_store(kobj, attr, buf, count, _min, \
>> + _max, NULL, _wmi); \
> So this function is static in the .c file and you're using it in this
> header?
>
Yes that's exactly the case. Should I move these macros to the .c file
or export functions used in macros? What's the suggested/canonical
way of handling these situations?
>> + }
>> +
>> +#define ASUS_WMI_SHOW_INT(_attr, _fmt, _wmi) \
>> + static ssize_t _attr##_show(struct kobject *kobj, \
>> + struct kobj_attribute *attr, char *buf) \
>> + { \
>> + u32 result; \
>> + int err; \
>> + \
>> + err = armoury_get_devstate(attr, &result, _wmi); \
> Include missing.
Actually... same problem as attr_uint_store: that is defined static in the .c file.
>> + if (err) \
>> + return err; \
>> + return sysfs_emit(buf, _fmt, result); \
> Include missing.
>
> This is a header file so includes should be added for each used function.
> For struct pointers which are not deferenced, you may forward-declare just
> the struct without bringing in the whole include for it.
We are talking about sysfs_emit here, right?
>> + }
>> +
>> +/* Create functions and attributes for use in other macros or on their own */
>> +
>> +/* Shows a formatted static variable */
>> +#define __ATTR_SHOW_FMT(_prop, _attrname, _fmt, _val) \
>> + static ssize_t _attrname##_##_prop##_show( \
>> + struct kobject *kobj, struct kobj_attribute *attr, char *buf) \
>> + { \
>> + return sysfs_emit(buf, _fmt, _val); \
>> + } \
>> + static struct kobj_attribute attr_##_attrname##_##_prop = \
>> + __ASUS_ATTR_RO(_attrname, _prop)
>> +
>> +#define __ATTR_RO_INT_GROUP_ENUM(_attrname, _wmi, _fsname, _possible, _dispname)\
>> + ASUS_WMI_SHOW_INT(_attrname##_current_value, "%d\n", _wmi); \
>> + static struct kobj_attribute attr_##_attrname##_current_value = \
>> + __ASUS_ATTR_RO(_attrname, current_value); \
>> + __ATTR_SHOW_FMT(display_name, _attrname, "%s\n", _dispname); \
>> + __ATTR_SHOW_FMT(possible_values, _attrname, "%s\n", _possible); \
>> + static struct kobj_attribute attr_##_attrname##_type = \
>> + __ASUS_ATTR_RO_AS(type, enum_type_show); \
>> + static struct attribute *_attrname##_attrs[] = { \
>> + &attr_##_attrname##_current_value.attr, \
>> + &attr_##_attrname##_display_name.attr, \
>> + &attr_##_attrname##_possible_values.attr, \
>> + &attr_##_attrname##_type.attr, \
>> + NULL \
>> + }; \
>> + static const struct attribute_group _attrname##_attr_group = { \
>> + .name = _fsname, .attrs = _attrname##_attrs \
>> + }
>> +
>> +#define __ATTR_RW_INT_GROUP_ENUM(_attrname, _minv, _maxv, _wmi, _fsname,\
>> + _possible, _dispname) \
>> + __WMI_STORE_INT(_attrname##_current_value, _minv, _maxv, _wmi); \
>> + ASUS_WMI_SHOW_INT(_attrname##_current_value, "%d\n", _wmi); \
>> + static struct kobj_attribute attr_##_attrname##_current_value = \
>> + __ASUS_ATTR_RW(_attrname, current_value); \
>> + __ATTR_SHOW_FMT(display_name, _attrname, "%s\n", _dispname); \
>> + __ATTR_SHOW_FMT(possible_values, _attrname, "%s\n", _possible); \
>> + static struct kobj_attribute attr_##_attrname##_type = \
>> + __ASUS_ATTR_RO_AS(type, enum_type_show); \
>> + static struct attribute *_attrname##_attrs[] = { \
>> + &attr_##_attrname##_current_value.attr, \
>> + &attr_##_attrname##_display_name.attr, \
>> + &attr_##_attrname##_possible_values.attr, \
>> + &attr_##_attrname##_type.attr, \
>> + NULL \
>> + }; \
>> + static const struct attribute_group _attrname##_attr_group = { \
>> + .name = _fsname, .attrs = _attrname##_attrs \
>> + }
>> +
>> +/* Boolean style enumeration, base macro. Requires adding show/store */
>> +#define __ATTR_GROUP_ENUM(_attrname, _fsname, _possible, _dispname) \
>> + __ATTR_SHOW_FMT(display_name, _attrname, "%s\n", _dispname); \
>> + __ATTR_SHOW_FMT(possible_values, _attrname, "%s\n", _possible); \
>> + static struct kobj_attribute attr_##_attrname##_type = \
>> + __ASUS_ATTR_RO_AS(type, enum_type_show); \
>> + static struct attribute *_attrname##_attrs[] = { \
>> + &attr_##_attrname##_current_value.attr, \
>> + &attr_##_attrname##_display_name.attr, \
>> + &attr_##_attrname##_possible_values.attr, \
>> + &attr_##_attrname##_type.attr, \
>> + NULL \
>> + }; \
>> + static const struct attribute_group _attrname##_attr_group = { \
>> + .name = _fsname, .attrs = _attrname##_attrs \
>> + }
>> +
>> +#define ASUS_ATTR_GROUP_BOOL_RO(_attrname, _fsname, _wmi, _dispname) \
>> + __ATTR_RO_INT_GROUP_ENUM(_attrname, _wmi, _fsname, "0;1", _dispname)
>> +
>> +
>> +#define ASUS_ATTR_GROUP_BOOL_RW(_attrname, _fsname, _wmi, _dispname) \
>> + __ATTR_RW_INT_GROUP_ENUM(_attrname, 0, 1, _wmi, _fsname, "0;1", _dispname)
>> +
>> +#define ASUS_ATTR_GROUP_ENUM_INT_RO(_attrname, _fsname, _wmi, _possible, _dispname) \
>> + __ATTR_RO_INT_GROUP_ENUM(_attrname, _wmi, _fsname, _possible, _dispname)
>> +
>> +/*
>> + * Requires <name>_current_value_show(), <name>_current_value_show()
>> + */
>> +#define ASUS_ATTR_GROUP_BOOL(_attrname, _fsname, _dispname) \
>> + static struct kobj_attribute attr_##_attrname##_current_value = \
>> + __ASUS_ATTR_RW(_attrname, current_value); \
>> + __ATTR_GROUP_ENUM(_attrname, _fsname, "0;1", _dispname)
>> +
>> +/*
>> + * Requires <name>_current_value_show(), <name>_current_value_show()
>> + * and <name>_possible_values_show()
>> + */
>> +#define ASUS_ATTR_GROUP_ENUM(_attrname, _fsname, _dispname) \
>> + __ATTR_SHOW_FMT(display_name, _attrname, "%s\n", _dispname); \
>> + static struct kobj_attribute attr_##_attrname##_current_value = \
>> + __ASUS_ATTR_RW(_attrname, current_value); \
>> + static struct kobj_attribute attr_##_attrname##_possible_values = \
>> + __ASUS_ATTR_RO(_attrname, possible_values); \
>> + static struct kobj_attribute attr_##_attrname##_type = \
>> + __ASUS_ATTR_RO_AS(type, enum_type_show); \
>> + static struct attribute *_attrname##_attrs[] = { \
>> + &attr_##_attrname##_current_value.attr, \
>> + &attr_##_attrname##_display_name.attr, \
>> + &attr_##_attrname##_possible_values.attr, \
>> + &attr_##_attrname##_type.attr, \
>> + NULL \
>> + }; \
>> + static const struct attribute_group _attrname##_attr_group = { \
>> + .name = _fsname, .attrs = _attrname##_attrs \
>> + }
>> +
>> +#endif /* _ASUS_ARMOURY_H_ */
>> diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
>> index c3e90517ce0f..ff98267e5981 100644
>> --- a/drivers/platform/x86/asus-wmi.c
>> +++ b/drivers/platform/x86/asus-wmi.c
>> @@ -15,6 +15,7 @@
>>
>> #include <linux/acpi.h>
>> #include <linux/backlight.h>
>> +#include <linux/bits.h>
>> #include <linux/debugfs.h>
>> #include <linux/delay.h>
>> #include <linux/dmi.h>
>> @@ -30,6 +31,7 @@
>> #include <linux/pci.h>
>> #include <linux/pci_hotplug.h>
>> #include <linux/platform_data/x86/asus-wmi.h>
>> +#include <linux/platform_data/x86/asus-wmi-leds-ids.h>
>> #include <linux/platform_device.h>
>> #include <linux/platform_profile.h>
>> #include <linux/power_supply.h>
>> @@ -55,8 +57,6 @@ module_param(fnlock_default, bool, 0444);
>> #define to_asus_wmi_driver(pdrv) \
>> (container_of((pdrv), struct asus_wmi_driver, platform_driver))
>>
>> -#define ASUS_WMI_MGMT_GUID "97845ED0-4E6D-11DE-8A39-0800200C9A66"
>> -
>> #define NOTIFY_BRNUP_MIN 0x11
>> #define NOTIFY_BRNUP_MAX 0x1f
>> #define NOTIFY_BRNDOWN_MIN 0x20
>> @@ -105,8 +105,6 @@ module_param(fnlock_default, bool, 0444);
>> #define USB_INTEL_XUSB2PR 0xD0
>> #define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI 0x9c31
>>
>> -#define ASUS_ACPI_UID_ASUSWMI "ASUSWMI"
>> -
>> #define WMI_EVENT_MASK 0xFFFF
>>
>> #define FAN_CURVE_POINTS 8
>> @@ -561,8 +559,8 @@ static int asus_wmi_get_devstate(struct asus_wmi *asus, u32 dev_id, u32 *retval)
>> *
>> * Returns:
>> * * %-ENODEV - method ID is unsupported.
>> - * * %0 - successful and retval is filled.
>> - * * %other - error from WMI call.
>> + * * %0 - successful and retval is filled.
>> + * * %other - error from WMI call.
>> */
>> int asus_wmi_get_devstate_dsts(u32 dev_id, u32 *retval)
>> {
>> diff --git a/include/linux/platform_data/x86/asus-wmi-leds-ids.h b/include/linux/platform_data/x86/asus-wmi-leds-ids.h
>> new file mode 100644
>> index 000000000000..281b98ba0ca7
>> --- /dev/null
>> +++ b/include/linux/platform_data/x86/asus-wmi-leds-ids.h
>> @@ -0,0 +1,50 @@
>> +/* SPDX-License-Identifier: GPL-2.0 */
>> +#ifndef __PLATFORM_DATA_X86_ASUS_WMI_LEDS_IDS_H
>> +#define __PLATFORM_DATA_X86_ASUS_WMI_LEDS_IDS_H
>> +
>> +#include <linux/types.h>
>> +#include <linux/dmi.h>
>> +
>> +/* To be used by both hid-asus and asus-wmi to determine which controls kbd_brightness */
>> +#if IS_REACHABLE(CONFIG_ASUS_WMI) || IS_REACHABLE(CONFIG_HID_ASUS)
>> +static const struct dmi_system_id asus_use_hid_led_dmi_ids[] = {
>> + {
>> + .matches = {
>> + DMI_MATCH(DMI_PRODUCT_FAMILY, "ROG Zephyrus"),
>> + },
>> + },
>> + {
>> + .matches = {
>> + DMI_MATCH(DMI_PRODUCT_FAMILY, "ROG Strix"),
>> + },
>> + },
>> + {
>> + .matches = {
>> + DMI_MATCH(DMI_PRODUCT_FAMILY, "ROG Flow"),
>> + },
>> + },
>> + {
>> + .matches = {
>> + DMI_MATCH(DMI_PRODUCT_FAMILY, "ProArt P16"),
>> + },
>> + },
>> + {
>> + .matches = {
>> + DMI_MATCH(DMI_BOARD_NAME, "GA403U"),
>> + },
>> + },
>> + {
>> + .matches = {
>> + DMI_MATCH(DMI_BOARD_NAME, "GU605M"),
>> + },
>> + },
>> + {
>> + .matches = {
>> + DMI_MATCH(DMI_BOARD_NAME, "RC71L"),
>> + },
>> + },
>> + { },
>> +};
>> +#endif
>> +
>> +#endif /* __PLATFORM_DATA_X86_ASUS_WMI_LEDS_IDS_H */
>> diff --git a/include/linux/platform_data/x86/asus-wmi.h b/include/linux/platform_data/x86/asus-wmi.h
>> index dbd44d9fbb6f..71c68425b3b9 100644
>> --- a/include/linux/platform_data/x86/asus-wmi.h
>> +++ b/include/linux/platform_data/x86/asus-wmi.h
>> @@ -6,6 +6,9 @@
>> #include <linux/types.h>
>> #include <linux/dmi.h>
>>
>> +#define ASUS_WMI_MGMT_GUID "97845ED0-4E6D-11DE-8A39-0800200C9A66"
>> +#define ASUS_ACPI_UID_ASUSWMI "ASUSWMI"
>> +
>> /* WMI Methods */
>> #define ASUS_WMI_METHODID_SPEC 0x43455053 /* BIOS SPECification */
>> #define ASUS_WMI_METHODID_SFBD 0x44424653 /* Set First Boot Device */
>> @@ -191,44 +194,4 @@ static inline int asus_wmi_evaluate_method(u32 method_id, u32 arg0, u32 arg1,
>> }
>> #endif
>>
>> -/* To be used by both hid-asus and asus-wmi to determine which controls kbd_brightness */
>> -static const struct dmi_system_id asus_use_hid_led_dmi_ids[] = {
> After removing this, is dmi.h still necessary?
How do you spot these?
>> - {
>> - .matches = {
>> - DMI_MATCH(DMI_PRODUCT_FAMILY, "ROG Zephyrus"),
>> - },
>> - },
>> - {
>> - .matches = {
>> - DMI_MATCH(DMI_PRODUCT_FAMILY, "ROG Strix"),
>> - },
>> - },
>> - {
>> - .matches = {
>> - DMI_MATCH(DMI_PRODUCT_FAMILY, "ROG Flow"),
>> - },
>> - },
>> - {
>> - .matches = {
>> - DMI_MATCH(DMI_PRODUCT_FAMILY, "ProArt P16"),
>> - },
>> - },
>> - {
>> - .matches = {
>> - DMI_MATCH(DMI_BOARD_NAME, "GA403U"),
>> - },
>> - },
>> - {
>> - .matches = {
>> - DMI_MATCH(DMI_BOARD_NAME, "GU605M"),
>> - },
>> - },
>> - {
>> - .matches = {
>> - DMI_MATCH(DMI_BOARD_NAME, "RC71L"),
>> - },
>> - },
>> - { },
>> -};
>> -
>> #endif /* __PLATFORM_DATA_X86_ASUS_WMI_H */
>>
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