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authorLinus Torvalds <torvalds@linux-foundation.org>2026-02-13 15:39:15 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2026-02-13 15:39:15 -0800
commitf50822fd8675c68d294e89bd102f7b487ca3acd3 (patch)
tree75d0db9313494a2ede74761d5ff712e3c547ff37 /drivers/hid
parent1b49e363252632d0493546511a41a65ed1a6fbbb (diff)
parent5a5203a45b063a594e89a2aeaf9e4923893a5b4c (diff)
Merge tag 'platform-drivers-x86-v7.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Ilpo Järvinen: "Highlights: - amd/pmf: - Avoid overwriting BIOS input values when events occur rapidly - Fix PMF driver issues related to S4 (in part on crypto/ccp side) - Add NPU metrics API (for accel side consumers) - Allow disabling Smart PC function through a module parameter - asus-wmi & HID/asus: - Unification of backlight control (replaces quirks) - Support multiple interfaces for controlling keyboard/RGB brightness - Simplify init sequence - hp-wmi: - Add manual fan control for Victus S models - Add fan mode keep-alive - Fix platform profile values for Omen 16-wf1xxx - Add EC offset to get the thermal profile - intel/pmc: Show substate residencies also for non-primary PMCs - intel/ISST: - Store and restore data for all domains - Write interface improvements - lenovo-wmi: - Support multiple Capability Data - Add HWMON reporting and tuning support - mellanox/mlx-platform: Add HI173 & HI174 support - surface/aggregator_registry: Add Surface Pro 11 (QCOM) - thinkpad_acpi: Add support for HW damage detection capability - uniwill: Implement cTGP setting - wmi: - Introduce marshalling support - Convert a few drivers to use the new buffer-based WMI API - tools/power/x86/intel-speed-select: Allow read operations for non-root - Miscellaneous cleanups / refactoring / improvements" * tag 'platform-drivers-x86-v7.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (68 commits) platform/x86: lenovo-wmi-{capdata,other}: Fix HWMON channel visibility platform/x86: hp-wmi: Add EC offsets to read Victus S thermal profile platform: mellanox: mlx-platform: Add support DGX flavor of next-generation 800GB/s ethernet switch. platform: mellanox: mlx-platform: Add support for new Nvidia DGX system based on class VMOD0010 HID: asus: add support for the asus-wmi brightness handler platform/x86: asus-wmi: add keyboard brightness event handler platform/x86: asus-wmi: remove unused keyboard backlight quirk HID: asus: listen to the asus-wmi brightness device instead of creating one platform/x86: asus-wmi: Add support for multiple kbd led handlers HID: asus: early return for ROG devices HID: asus: move vendor initialization to probe HID: asus: fortify keyboard handshake HID: asus: use same report_id in response HID: asus: initialize additional endpoints only for certain devices HID: asus: simplify RGB init sequence platform/wmi: string-kunit: Add missing oversized string test case platform/x86/amd/pmf: Added a module parameter to disable the Smart PC function platform/x86/uniwill: Implement cTGP setting platform/x86: uniwill-laptop: Introduce device descriptor system platform/x86/amd: Use scope-based cleanup for wbrf_record() ...
Diffstat (limited to 'drivers/hid')
-rw-r--r--drivers/hid/hid-asus.c221
1 files changed, 104 insertions, 117 deletions
diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c
index df7c03dde67f..8ffcd12038e8 100644
--- a/drivers/hid/hid-asus.c
+++ b/drivers/hid/hid-asus.c
@@ -28,7 +28,6 @@
#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>
@@ -50,7 +49,7 @@ MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad");
#define FEATURE_REPORT_ID 0x0d
#define INPUT_REPORT_ID 0x5d
#define FEATURE_KBD_REPORT_ID 0x5a
-#define FEATURE_KBD_REPORT_SIZE 16
+#define FEATURE_KBD_REPORT_SIZE 64
#define FEATURE_KBD_LED_REPORT_ID1 0x5d
#define FEATURE_KBD_LED_REPORT_ID2 0x5e
@@ -99,9 +98,10 @@ MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad");
#define QUIRK_T90CHI BIT(9)
#define QUIRK_MEDION_E1239T BIT(10)
#define QUIRK_ROG_NKEY_KEYBOARD BIT(11)
-#define QUIRK_ROG_CLAYMORE_II_KEYBOARD BIT(12)
+#define QUIRK_ROG_CLAYMORE_II_KEYBOARD BIT(12)
#define QUIRK_ROG_ALLY_XPAD BIT(13)
#define QUIRK_HID_FN_LOCK BIT(14)
+#define QUIRK_ROG_NKEY_ID1ID2_INIT BIT(15)
#define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \
QUIRK_NO_INIT_REPORTS | \
@@ -113,7 +113,7 @@ MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad");
#define TRKID_SGN ((TRKID_MAX + 1) >> 1)
struct asus_kbd_leds {
- struct led_classdev cdev;
+ struct asus_hid_listener listener;
struct hid_device *hdev;
struct work_struct work;
unsigned int brightness;
@@ -138,7 +138,6 @@ struct asus_drvdata {
struct input_dev *tp_kbd_input;
struct asus_kbd_leds *kbd_backlight;
const struct asus_touchpad_info *tp;
- bool enable_backlight;
struct power_supply *battery;
struct power_supply_desc battery_desc;
int battery_capacity;
@@ -363,10 +362,21 @@ static int asus_event(struct hid_device *hdev, struct hid_field *field,
usage->hid & HID_USAGE);
}
- if (drvdata->quirks & QUIRK_HID_FN_LOCK &&
- usage->type == EV_KEY && usage->code == KEY_FN_ESC && value == 1) {
- drvdata->fn_lock = !drvdata->fn_lock;
- schedule_work(&drvdata->fn_lock_sync_work);
+ if (usage->type == EV_KEY && value) {
+ switch (usage->code) {
+ case KEY_KBDILLUMUP:
+ return !asus_hid_event(ASUS_EV_BRTUP);
+ case KEY_KBDILLUMDOWN:
+ return !asus_hid_event(ASUS_EV_BRTDOWN);
+ case KEY_KBDILLUMTOGGLE:
+ return !asus_hid_event(ASUS_EV_BRTTOGGLE);
+ case KEY_FN_ESC:
+ if (drvdata->quirks & QUIRK_HID_FN_LOCK) {
+ drvdata->fn_lock = !drvdata->fn_lock;
+ schedule_work(&drvdata->fn_lock_sync_work);
+ }
+ break;
+ }
}
return 0;
@@ -476,15 +486,41 @@ static int asus_kbd_set_report(struct hid_device *hdev, const u8 *buf, size_t bu
static int asus_kbd_init(struct hid_device *hdev, u8 report_id)
{
+ /*
+ * The handshake is first sent as a set_report, then retrieved
+ * from a get_report. They should be equal.
+ */
const u8 buf[] = { report_id, 0x41, 0x53, 0x55, 0x53, 0x20, 0x54,
0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 };
int ret;
ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
- if (ret < 0)
- hid_err(hdev, "Asus failed to send init command: %d\n", ret);
+ if (ret < 0) {
+ hid_err(hdev, "Asus handshake %02x failed to send: %d\n",
+ report_id, ret);
+ return ret;
+ }
- return ret;
+ u8 *readbuf __free(kfree) = kzalloc(FEATURE_KBD_REPORT_SIZE, GFP_KERNEL);
+ if (!readbuf)
+ return -ENOMEM;
+
+ ret = hid_hw_raw_request(hdev, report_id, readbuf,
+ FEATURE_KBD_REPORT_SIZE, HID_FEATURE_REPORT,
+ HID_REQ_GET_REPORT);
+ if (ret < 0) {
+ hid_warn(hdev, "Asus handshake %02x failed to receive ack: %d\n",
+ report_id, ret);
+ } else if (memcmp(readbuf, buf, sizeof(buf)) != 0) {
+ hid_warn(hdev, "Asus handshake %02x returned invalid response: %*ph\n",
+ report_id, FEATURE_KBD_REPORT_SIZE, readbuf);
+ }
+
+ /*
+ * Do not return error if handshake is wrong until this is
+ * verified to work for all devices.
+ */
+ return 0;
}
static int asus_kbd_get_functions(struct hid_device *hdev,
@@ -505,7 +541,7 @@ static int asus_kbd_get_functions(struct hid_device *hdev,
if (!readbuf)
return -ENOMEM;
- ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, readbuf,
+ ret = hid_hw_raw_request(hdev, report_id, readbuf,
FEATURE_KBD_REPORT_SIZE, HID_FEATURE_REPORT,
HID_REQ_GET_REPORT);
if (ret < 0) {
@@ -565,11 +601,11 @@ static void asus_schedule_work(struct asus_kbd_leds *led)
spin_unlock_irqrestore(&led->lock, flags);
}
-static void asus_kbd_backlight_set(struct led_classdev *led_cdev,
- enum led_brightness brightness)
+static void asus_kbd_backlight_set(struct asus_hid_listener *listener,
+ int brightness)
{
- struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
- cdev);
+ struct asus_kbd_leds *led = container_of(listener, struct asus_kbd_leds,
+ listener);
unsigned long flags;
spin_lock_irqsave(&led->lock, flags);
@@ -579,20 +615,6 @@ static void asus_kbd_backlight_set(struct led_classdev *led_cdev,
asus_schedule_work(led);
}
-static enum led_brightness asus_kbd_backlight_get(struct led_classdev *led_cdev)
-{
- struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
- cdev);
- enum led_brightness brightness;
- unsigned long flags;
-
- spin_lock_irqsave(&led->lock, flags);
- brightness = led->brightness;
- spin_unlock_irqrestore(&led->lock, flags);
-
- return brightness;
-}
-
static void asus_kbd_backlight_work(struct work_struct *work)
{
struct asus_kbd_leds *led = container_of(work, struct asus_kbd_leds, work);
@@ -609,34 +631,6 @@ static void asus_kbd_backlight_work(struct work_struct *work)
hid_err(led->hdev, "Asus failed to set keyboard backlight: %d\n", ret);
}
-/* WMI-based keyboard backlight LED control (via asus-wmi driver) takes
- * precedence. We only activate HID-based backlight control when the
- * WMI control is not available.
- */
-static bool asus_kbd_wmi_led_control_present(struct hid_device *hdev)
-{
- struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
- u32 value;
- int ret;
-
- if (!IS_ENABLED(CONFIG_ASUS_WMI))
- return false;
-
- if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD &&
- dmi_check_system(asus_use_hid_led_dmi_ids)) {
- hid_info(hdev, "using HID for asus::kbd_backlight\n");
- return false;
- }
-
- ret = asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS,
- ASUS_WMI_DEVID_KBD_BACKLIGHT, 0, &value);
- hid_dbg(hdev, "WMI backlight check: rc %d value %x", ret, value);
- if (ret)
- return false;
-
- return !!(value & ASUS_WMI_DSTS_PRESENCE_BIT);
-}
-
/*
* We don't care about any other part of the string except the version section.
* Example strings: FGA80100.RC72LA.312_T01, FGA80100.RC71LS.318_T01
@@ -736,48 +730,35 @@ static int asus_kbd_register_leds(struct hid_device *hdev)
unsigned char kbd_func;
int ret;
- if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) {
- /* Initialize keyboard */
- ret = asus_kbd_init(hdev, FEATURE_KBD_REPORT_ID);
- if (ret < 0)
- return ret;
-
- /* The LED endpoint is initialised in two HID */
- ret = asus_kbd_init(hdev, FEATURE_KBD_LED_REPORT_ID1);
- if (ret < 0)
- return ret;
-
- ret = asus_kbd_init(hdev, FEATURE_KBD_LED_REPORT_ID2);
- if (ret < 0)
- return ret;
+ ret = asus_kbd_init(hdev, FEATURE_KBD_REPORT_ID);
+ if (ret < 0)
+ return ret;
- if (dmi_match(DMI_PRODUCT_FAMILY, "ProArt P16")) {
- ret = asus_kbd_disable_oobe(hdev);
- if (ret < 0)
- return ret;
- }
+ /* Get keyboard functions */
+ ret = asus_kbd_get_functions(hdev, &kbd_func, FEATURE_KBD_REPORT_ID);
+ if (ret < 0)
+ return ret;
- if (drvdata->quirks & QUIRK_ROG_ALLY_XPAD) {
- intf = to_usb_interface(hdev->dev.parent);
- udev = interface_to_usbdev(intf);
- validate_mcu_fw_version(hdev,
- le16_to_cpu(udev->descriptor.idProduct));
- }
+ /* Check for backlight support */
+ if (!(kbd_func & SUPPORT_KBD_BACKLIGHT))
+ return -ENODEV;
- } else {
- /* Initialize keyboard */
- ret = asus_kbd_init(hdev, FEATURE_KBD_REPORT_ID);
- if (ret < 0)
- return ret;
+ if (drvdata->quirks & QUIRK_ROG_NKEY_ID1ID2_INIT) {
+ asus_kbd_init(hdev, FEATURE_KBD_LED_REPORT_ID1);
+ asus_kbd_init(hdev, FEATURE_KBD_LED_REPORT_ID2);
+ }
- /* Get keyboard functions */
- ret = asus_kbd_get_functions(hdev, &kbd_func, FEATURE_KBD_REPORT_ID);
+ if (dmi_match(DMI_PRODUCT_FAMILY, "ProArt P16")) {
+ ret = asus_kbd_disable_oobe(hdev);
if (ret < 0)
return ret;
+ }
- /* Check for backlight support */
- if (!(kbd_func & SUPPORT_KBD_BACKLIGHT))
- return -ENODEV;
+ if (drvdata->quirks & QUIRK_ROG_ALLY_XPAD) {
+ intf = to_usb_interface(hdev->dev.parent);
+ udev = interface_to_usbdev(intf);
+ validate_mcu_fw_version(hdev,
+ le16_to_cpu(udev->descriptor.idProduct));
}
drvdata->kbd_backlight = devm_kzalloc(&hdev->dev,
@@ -789,14 +770,11 @@ static int asus_kbd_register_leds(struct hid_device *hdev)
drvdata->kbd_backlight->removed = false;
drvdata->kbd_backlight->brightness = 0;
drvdata->kbd_backlight->hdev = hdev;
- drvdata->kbd_backlight->cdev.name = "asus::kbd_backlight";
- drvdata->kbd_backlight->cdev.max_brightness = 3;
- drvdata->kbd_backlight->cdev.brightness_set = asus_kbd_backlight_set;
- drvdata->kbd_backlight->cdev.brightness_get = asus_kbd_backlight_get;
+ drvdata->kbd_backlight->listener.brightness_set = asus_kbd_backlight_set;
INIT_WORK(&drvdata->kbd_backlight->work, asus_kbd_backlight_work);
spin_lock_init(&drvdata->kbd_backlight->lock);
- ret = devm_led_classdev_register(&hdev->dev, &drvdata->kbd_backlight->cdev);
+ ret = asus_hid_register_listener(&drvdata->kbd_backlight->listener);
if (ret < 0) {
/* No need to have this still around */
devm_kfree(&hdev->dev, drvdata->kbd_backlight);
@@ -1021,11 +999,6 @@ static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi)
drvdata->input = input;
- if (drvdata->enable_backlight &&
- !asus_kbd_wmi_led_control_present(hdev) &&
- asus_kbd_register_leds(hdev))
- hid_warn(hdev, "Failed to initialize backlight.\n");
-
if (drvdata->quirks & QUIRK_HID_FN_LOCK) {
drvdata->fn_lock = true;
INIT_WORK(&drvdata->fn_lock_sync_work, asus_sync_fn_lock);
@@ -1104,15 +1077,6 @@ static int asus_input_mapping(struct hid_device *hdev,
return -1;
}
- /*
- * Check and enable backlight only on devices with UsagePage ==
- * 0xff31 to avoid initializing the keyboard firmware multiple
- * times on devices with multiple HID descriptors but same
- * PID/VID.
- */
- if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT)
- drvdata->enable_backlight = true;
-
set_bit(EV_REP, hi->input->evbit);
return 1;
}
@@ -1205,7 +1169,7 @@ static int __maybe_unused asus_resume(struct hid_device *hdev) {
if (drvdata->kbd_backlight) {
const u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4,
- drvdata->kbd_backlight->cdev.brightness };
+ drvdata->kbd_backlight->brightness };
ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
if (ret < 0) {
hid_err(hdev, "Asus failed to set keyboard backlight: %d\n", ret);
@@ -1229,8 +1193,11 @@ static int __maybe_unused asus_reset_resume(struct hid_device *hdev)
static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
- int ret;
+ struct hid_report_enum *rep_enum;
struct asus_drvdata *drvdata;
+ struct hid_report *rep;
+ bool is_vendor = false;
+ int ret;
drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL);
if (drvdata == NULL) {
@@ -1314,12 +1281,30 @@ static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
return ret;
}
+ /* Check for vendor for RGB init and handle generic devices properly. */
+ rep_enum = &hdev->report_enum[HID_INPUT_REPORT];
+ list_for_each_entry(rep, &rep_enum->report_list, list) {
+ if ((rep->application & HID_USAGE_PAGE) == HID_UP_ASUSVENDOR)
+ is_vendor = true;
+ }
+
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (ret) {
hid_err(hdev, "Asus hw start failed: %d\n", ret);
return ret;
}
+ if (is_vendor && (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT) &&
+ asus_kbd_register_leds(hdev))
+ hid_warn(hdev, "Failed to initialize backlight.\n");
+
+ /*
+ * For ROG keyboards, skip rename for consistency and ->input check as
+ * some devices do not have inputs.
+ */
+ if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD)
+ return 0;
+
/*
* Check that input registration succeeded. Checking that
* HID_CLAIMED_INPUT is set prevents a UAF when all input devices
@@ -1356,6 +1341,8 @@ static void asus_remove(struct hid_device *hdev)
unsigned long flags;
if (drvdata->kbd_backlight) {
+ asus_hid_unregister_listener(&drvdata->kbd_backlight->listener);
+
spin_lock_irqsave(&drvdata->kbd_backlight->lock, flags);
drvdata->kbd_backlight->removed = true;
spin_unlock_irqrestore(&drvdata->kbd_backlight->lock, flags);
@@ -1490,10 +1477,10 @@ static const struct hid_device_id asus_devices[] = {
QUIRK_USE_KBD_BACKLIGHT },
{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD),
- QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
+ QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD | QUIRK_ROG_NKEY_ID1ID2_INIT },
{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD2),
- QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD | QUIRK_HID_FN_LOCK },
+ QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD | QUIRK_HID_FN_LOCK | QUIRK_ROG_NKEY_ID1ID2_INIT },
{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
USB_DEVICE_ID_ASUSTEK_ROG_Z13_LIGHTBAR),
QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },