HID: asus: Add support for ASUS N-Key keyboard
The ASUS N-Key keyboard uses the productId of 0x1866 and is used in almost all modern ASUS gaming laptops with slight changes to the firmware. This patch enables: Fn+key hotkeys, keyboard backlight brightness control. Additionally this keyboard requires the LED interface to be initialized before such things as keyboard backlight control work. Signed-off-by: Luke D Jones <luke@ljones.dev> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Luke D Jones
Jiri Kosina
Родитель
bf36c6b946
Коммит
b92b80246e
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@ -48,6 +48,8 @@ MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad");
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#define INPUT_REPORT_ID 0x5d
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#define FEATURE_KBD_REPORT_ID 0x5a
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#define FEATURE_KBD_REPORT_SIZE 16
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#define FEATURE_KBD_LED_REPORT_ID1 0x5d
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#define FEATURE_KBD_LED_REPORT_ID2 0x5e
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#define SUPPORT_KBD_BACKLIGHT BIT(0)
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@ -80,6 +82,7 @@ MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad");
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#define QUIRK_T101HA_DOCK BIT(9)
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#define QUIRK_T90CHI BIT(10)
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#define QUIRK_MEDION_E1239T BIT(11)
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#define QUIRK_ROG_NKEY_KEYBOARD BIT(12)
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#define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \
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QUIRK_NO_INIT_REPORTS | \
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@ -332,6 +335,28 @@ static int asus_raw_event(struct hid_device *hdev,
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if (drvdata->quirks & QUIRK_MEDION_E1239T)
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return asus_e1239t_event(drvdata, data, size);
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if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) {
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/*
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* Skip these report ID, the device emits a continuous stream associated
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* with the AURA mode it is in which looks like an 'echo'.
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*/
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if (report->id == FEATURE_KBD_LED_REPORT_ID1 ||
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report->id == FEATURE_KBD_LED_REPORT_ID2) {
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return -1;
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/* Additional report filtering */
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} else if (report->id == FEATURE_KBD_REPORT_ID) {
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/*
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* G14 and G15 send these codes on some keypresses with no
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* discernable reason for doing so. We'll filter them out to avoid
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* unmapped warning messages later.
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*/
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if (data[1] == 0xea || data[1] == 0xec || data[1] == 0x02 ||
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data[1] == 0x8a || data[1] == 0x9e) {
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return -1;
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}
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}
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}
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return 0;
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}
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@ -344,7 +369,11 @@ static int asus_kbd_set_report(struct hid_device *hdev, u8 *buf, size_t buf_size
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if (!dmabuf)
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return -ENOMEM;
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ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, dmabuf,
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/*
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* The report ID should be set from the incoming buffer due to LED and key
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* interfaces having different pages
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*/
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ret = hid_hw_raw_request(hdev, buf[0], dmabuf,
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buf_size, HID_FEATURE_REPORT,
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HID_REQ_SET_REPORT);
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kfree(dmabuf);
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@ -397,6 +426,51 @@ static int asus_kbd_get_functions(struct hid_device *hdev,
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return ret;
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}
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static int rog_nkey_led_init(struct hid_device *hdev)
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{
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u8 buf_init_start[] = { FEATURE_KBD_LED_REPORT_ID1, 0xB9 };
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u8 buf_init2[] = { FEATURE_KBD_LED_REPORT_ID1, 0x41, 0x53, 0x55, 0x53, 0x20,
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0x54, 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 };
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u8 buf_init3[] = { FEATURE_KBD_LED_REPORT_ID1,
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0x05, 0x20, 0x31, 0x00, 0x08 };
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int ret;
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hid_info(hdev, "Asus initialise N-KEY Device");
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/* The first message is an init start */
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ret = asus_kbd_set_report(hdev, buf_init_start, sizeof(buf_init_start));
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if (ret < 0) {
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hid_warn(hdev, "Asus failed to send init start command: %d\n", ret);
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return ret;
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}
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/* Followed by a string */
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ret = asus_kbd_set_report(hdev, buf_init2, sizeof(buf_init2));
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if (ret < 0) {
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hid_warn(hdev, "Asus failed to send init command 1.0: %d\n", ret);
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return ret;
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}
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/* Followed by a string */
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ret = asus_kbd_set_report(hdev, buf_init3, sizeof(buf_init3));
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if (ret < 0) {
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hid_warn(hdev, "Asus failed to send init command 1.1: %d\n", ret);
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return ret;
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}
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/* begin second report ID with same data */
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buf_init2[0] = FEATURE_KBD_LED_REPORT_ID2;
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buf_init3[0] = FEATURE_KBD_LED_REPORT_ID2;
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ret = asus_kbd_set_report(hdev, buf_init2, sizeof(buf_init2));
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if (ret < 0) {
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hid_warn(hdev, "Asus failed to send init command 2.0: %d\n", ret);
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return ret;
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}
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ret = asus_kbd_set_report(hdev, buf_init3, sizeof(buf_init3));
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if (ret < 0)
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hid_warn(hdev, "Asus failed to send init command 2.1: %d\n", ret);
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return ret;
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}
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static void asus_kbd_backlight_set(struct led_classdev *led_cdev,
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enum led_brightness brightness)
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{
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@ -460,19 +534,25 @@ static int asus_kbd_register_leds(struct hid_device *hdev)
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unsigned char kbd_func;
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int ret;
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/* Initialize keyboard */
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ret = asus_kbd_init(hdev);
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if (ret < 0)
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return ret;
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if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) {
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ret = rog_nkey_led_init(hdev);
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if (ret < 0)
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return ret;
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} else {
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/* Initialize keyboard */
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ret = asus_kbd_init(hdev);
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if (ret < 0)
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return ret;
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/* Get keyboard functions */
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ret = asus_kbd_get_functions(hdev, &kbd_func);
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if (ret < 0)
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return ret;
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/* Get keyboard functions */
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ret = asus_kbd_get_functions(hdev, &kbd_func);
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if (ret < 0)
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return ret;
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/* Check for backlight support */
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if (!(kbd_func & SUPPORT_KBD_BACKLIGHT))
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return -ENODEV;
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/* Check for backlight support */
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if (!(kbd_func & SUPPORT_KBD_BACKLIGHT))
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return -ENODEV;
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}
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drvdata->kbd_backlight = devm_kzalloc(&hdev->dev,
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sizeof(struct asus_kbd_leds),
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@ -751,8 +831,8 @@ static int asus_input_mapping(struct hid_device *hdev,
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usage->hid == (HID_UP_GENDEVCTRLS | 0x0026)))
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return -1;
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/* ASUS-specific keyboard hotkeys */
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if ((usage->hid & HID_USAGE_PAGE) == 0xff310000) {
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/* ASUS-specific keyboard hotkeys and led backlight */
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if ((usage->hid & HID_USAGE_PAGE) == HID_UP_ASUSVENDOR) {
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switch (usage->hid & HID_USAGE) {
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case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
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case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
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@ -780,6 +860,18 @@ static int asus_input_mapping(struct hid_device *hdev,
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/* Fn+F5 "fan" symbol on FX503VD */
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case 0x99: asus_map_key_clear(KEY_PROG4); break;
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/* Fn+F5 "fan" symbol on N-Key keyboard */
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case 0xae: asus_map_key_clear(KEY_PROG4); break;
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/* Fn+Ret "Calc" symbol on N-Key keyboard */
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case 0x92: asus_map_key_clear(KEY_CALC); break;
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/* Fn+Left Aura mode previous on N-Key keyboard */
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case 0xb2: asus_map_key_clear(KEY_PROG2); break;
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/* Fn+Right Aura mode next on N-Key keyboard */
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case 0xb3: asus_map_key_clear(KEY_PROG3); break;
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default:
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/* ASUS lazily declares 256 usages, ignore the rest,
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* as some make the keyboard appear as a pointer device. */
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@ -1126,6 +1218,9 @@ static const struct hid_device_id asus_devices[] = {
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{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
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USB_DEVICE_ID_ASUSTEK_FX503VD_KEYBOARD),
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QUIRK_USE_KBD_BACKLIGHT },
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{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
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USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD),
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QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
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{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
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USB_DEVICE_ID_ASUSTEK_T100TA_KEYBOARD),
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QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
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@ -190,6 +190,7 @@
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#define USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1 0x1854
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#define USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2 0x1837
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#define USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3 0x1822
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#define USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD 0x1866
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#define USB_DEVICE_ID_ASUSTEK_FX503VD_KEYBOARD 0x1869
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#define USB_VENDOR_ID_ATEN 0x0557
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