/* * HID driver for Asus notebook built-in keyboard. * Fixes small logical maximum to match usage maximum. * * Currently supported devices are: * EeeBook X205TA * VivoBook E200HA * * Copyright (c) 2016 Yusuke Fujimaki <usk.fujimaki@gmail.com> * * This module based on hid-ortek by * Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com> * Copyright (c) 2011 Jiri Kosina * * This module has been updated to add support for Asus i2c touchpad. * * Copyright (c) 2016 Brendan McGrath <redmcg@redmandi.dyndns.org> * Copyright (c) 2016 Victor Vlasenko <victor.vlasenko@sysgears.com> * Copyright (c) 2016 Frederik Wenigwieser <frederik.wenigwieser@gmail.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. */ #include <linux/dmi.h> #include <linux/hid.h> #include <linux/module.h> #include <linux/input/mt.h> #include <linux/usb.h> /* For to_usb_interface for T100 touchpad intf check */ #include "hid-ids.h" MODULE_AUTHOR("Yusuke Fujimaki <usk.fujimaki@gmail.com>"); MODULE_AUTHOR("Brendan McGrath <redmcg@redmandi.dyndns.org>"); MODULE_AUTHOR("Victor Vlasenko <victor.vlasenko@sysgears.com>"); MODULE_AUTHOR("Frederik Wenigwieser <frederik.wenigwieser@gmail.com>"); MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad"); #define T100_TPAD_INTF 2 #define T100CHI_MOUSE_REPORT_ID 0x06 #define FEATURE_REPORT_ID 0x0d #define INPUT_REPORT_ID 0x5d #define FEATURE_KBD_REPORT_ID 0x5a #define FEATURE_KBD_REPORT_SIZE 16 #define SUPPORT_KBD_BACKLIGHT BIT(0) #define MAX_TOUCH_MAJOR 8 #define MAX_PRESSURE 128 #define BTN_LEFT_MASK 0x01 #define CONTACT_TOOL_TYPE_MASK 0x80 #define CONTACT_X_MSB_MASK 0xf0 #define CONTACT_Y_MSB_MASK 0x0f #define CONTACT_TOUCH_MAJOR_MASK 0x07 #define CONTACT_PRESSURE_MASK 0x7f #define QUIRK_FIX_NOTEBOOK_REPORT BIT(0) #define QUIRK_NO_INIT_REPORTS BIT(1) #define QUIRK_SKIP_INPUT_MAPPING BIT(2) #define QUIRK_IS_MULTITOUCH BIT(3) #define QUIRK_NO_CONSUMER_USAGES BIT(4) #define QUIRK_USE_KBD_BACKLIGHT BIT(5) #define QUIRK_T100_KEYBOARD BIT(6) #define QUIRK_T100CHI BIT(7) #define QUIRK_G752_KEYBOARD BIT(8) #define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \ QUIRK_NO_INIT_REPORTS | \ QUIRK_NO_CONSUMER_USAGES) #define I2C_TOUCHPAD_QUIRKS (QUIRK_NO_INIT_REPORTS | \ QUIRK_SKIP_INPUT_MAPPING | \ QUIRK_IS_MULTITOUCH) #define TRKID_SGN ((TRKID_MAX + 1) >> 1) struct asus_kbd_leds { struct led_classdev cdev; struct hid_device *hdev; struct work_struct work; unsigned int brightness; bool removed; }; struct asus_touchpad_info { int max_x; int max_y; int res_x; int res_y; int contact_size; int max_contacts; }; struct asus_drvdata { unsigned long quirks; struct input_dev *input; struct asus_kbd_leds *kbd_backlight; const struct asus_touchpad_info *tp; bool enable_backlight; }; static const struct asus_touchpad_info asus_i2c_tp = { .max_x = 2794, .max_y = 1758, .contact_size = 5, .max_contacts = 5, }; static const struct asus_touchpad_info asus_t100ta_tp = { .max_x = 2240, .max_y = 1120, .res_x = 30, /* units/mm */ .res_y = 27, /* units/mm */ .contact_size = 5, .max_contacts = 5, }; static const struct asus_touchpad_info asus_t100ha_tp = { .max_x = 2640, .max_y = 1320, .res_x = 30, /* units/mm */ .res_y = 29, /* units/mm */ .contact_size = 5, .max_contacts = 5, }; static const struct asus_touchpad_info asus_t200ta_tp = { .max_x = 3120, .max_y = 1716, .res_x = 30, /* units/mm */ .res_y = 28, /* units/mm */ .contact_size = 5, .max_contacts = 5, }; static const struct asus_touchpad_info asus_t100chi_tp = { .max_x = 2640, .max_y = 1320, .res_x = 31, /* units/mm */ .res_y = 29, /* units/mm */ .contact_size = 3, .max_contacts = 4, }; static void asus_report_contact_down(struct asus_drvdata *drvdat, int toolType, u8 *data) { struct input_dev *input = drvdat->input; int touch_major, pressure, x, y; x = (data[0] & CONTACT_X_MSB_MASK) << 4 | data[1]; y = drvdat->tp->max_y - ((data[0] & CONTACT_Y_MSB_MASK) << 8 | data[2]); input_report_abs(input, ABS_MT_POSITION_X, x); input_report_abs(input, ABS_MT_POSITION_Y, y); if (drvdat->tp->contact_size < 5) return; if (toolType == MT_TOOL_PALM) { touch_major = MAX_TOUCH_MAJOR; pressure = MAX_PRESSURE; } else { touch_major = (data[3] >> 4) & CONTACT_TOUCH_MAJOR_MASK; pressure = data[4] & CONTACT_PRESSURE_MASK; } input_report_abs(input, ABS_MT_TOUCH_MAJOR, touch_major); input_report_abs(input, ABS_MT_PRESSURE, pressure); } /* Required for Synaptics Palm Detection */ static void asus_report_tool_width(struct asus_drvdata *drvdat) { struct input_mt *mt = drvdat->input->mt; struct input_mt_slot *oldest; int oldid, count, i; if (drvdat->tp->contact_size < 5) return; oldest = NULL; oldid = mt->trkid; count = 0; for (i = 0; i < mt->num_slots; ++i) { struct input_mt_slot *ps = &mt->slots[i]; int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID); if (id < 0) continue; if ((id - oldid) & TRKID_SGN) { oldest = ps; oldid = id; } count++; } if (oldest) { input_report_abs(drvdat->input, ABS_TOOL_WIDTH, input_mt_get_value(oldest, ABS_MT_TOUCH_MAJOR)); } } static int asus_report_input(struct asus_drvdata *drvdat, u8 *data, int size) { int i, toolType = MT_TOOL_FINGER; u8 *contactData = data + 2; if (size != 3 + drvdat->tp->contact_size * drvdat->tp->max_contacts) return 0; for (i = 0; i < drvdat->tp->max_contacts; i++) { bool down = !!(data[1] & BIT(i+3)); if (drvdat->tp->contact_size >= 5) toolType = contactData[3] & CONTACT_TOOL_TYPE_MASK ? MT_TOOL_PALM : MT_TOOL_FINGER; input_mt_slot(drvdat->input, i); input_mt_report_slot_state(drvdat->input, toolType, down); if (down) { asus_report_contact_down(drvdat, toolType, contactData); contactData += drvdat->tp->contact_size; } } input_report_key(drvdat->input, BTN_LEFT, data[1] & BTN_LEFT_MASK); asus_report_tool_width(drvdat); input_mt_sync_frame(drvdat->input); input_sync(drvdat->input); return 1; } static int asus_raw_event(struct hid_device *hdev, struct hid_report *report, u8 *data, int size) { struct asus_drvdata *drvdata = hid_get_drvdata(hdev); if (drvdata->tp && data[0] == INPUT_REPORT_ID) return asus_report_input(drvdata, data, size); return 0; } static int asus_kbd_set_report(struct hid_device *hdev, u8 *buf, size_t buf_size) { unsigned char *dmabuf; int ret; dmabuf = kmemdup(buf, buf_size, GFP_KERNEL); if (!dmabuf) return -ENOMEM; ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, dmabuf, buf_size, HID_FEATURE_REPORT, HID_REQ_SET_REPORT); kfree(dmabuf); return ret; } static int asus_kbd_init(struct hid_device *hdev) { u8 buf[] = { FEATURE_KBD_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); return ret; } static int asus_kbd_get_functions(struct hid_device *hdev, unsigned char *kbd_func) { u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x05, 0x20, 0x31, 0x00, 0x08 }; u8 *readbuf; int ret; ret = asus_kbd_set_report(hdev, buf, sizeof(buf)); if (ret < 0) { hid_err(hdev, "Asus failed to send configuration command: %d\n", ret); return ret; } readbuf = kzalloc(FEATURE_KBD_REPORT_SIZE, GFP_KERNEL); if (!readbuf) return -ENOMEM; ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, readbuf, FEATURE_KBD_REPORT_SIZE, HID_FEATURE_REPORT, HID_REQ_GET_REPORT); if (ret < 0) { hid_err(hdev, "Asus failed to request functions: %d\n", ret); kfree(readbuf); return ret; } *kbd_func = readbuf[6]; kfree(readbuf); return ret; } static void asus_kbd_backlight_set(struct led_classdev *led_cdev, enum led_brightness brightness) { struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds, cdev); if (led->brightness == brightness) return; led->brightness = brightness; schedule_work(&led->work); } 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); return led->brightness; } static void asus_kbd_backlight_work(struct work_struct *work) { struct asus_kbd_leds *led = container_of(work, struct asus_kbd_leds, work); u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 0x00 }; int ret; if (led->removed) return; buf[4] = led->brightness; ret = asus_kbd_set_report(led->hdev, buf, sizeof(buf)); if (ret < 0) hid_err(led->hdev, "Asus failed to set keyboard backlight: %d\n", ret); } static int asus_kbd_register_leds(struct hid_device *hdev) { struct asus_drvdata *drvdata = hid_get_drvdata(hdev); unsigned char kbd_func; int ret; /* Initialize keyboard */ ret = asus_kbd_init(hdev); if (ret < 0) return ret; /* Get keyboard functions */ ret = asus_kbd_get_functions(hdev, &kbd_func); if (ret < 0) return ret; /* Check for backlight support */ if (!(kbd_func & SUPPORT_KBD_BACKLIGHT)) return -ENODEV; drvdata->kbd_backlight = devm_kzalloc(&hdev->dev, sizeof(struct asus_kbd_leds), GFP_KERNEL); if (!drvdata->kbd_backlight) return -ENOMEM; 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; INIT_WORK(&drvdata->kbd_backlight->work, asus_kbd_backlight_work); ret = devm_led_classdev_register(&hdev->dev, &drvdata->kbd_backlight->cdev); if (ret < 0) { /* No need to have this still around */ devm_kfree(&hdev->dev, drvdata->kbd_backlight); } return ret; } static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi) { struct input_dev *input = hi->input; struct asus_drvdata *drvdata = hid_get_drvdata(hdev); /* T100CHI uses MULTI_INPUT, bind the touchpad to the mouse hid_input */ if (drvdata->quirks & QUIRK_T100CHI && hi->report->id != T100CHI_MOUSE_REPORT_ID) return 0; if (drvdata->tp) { int ret; input_set_abs_params(input, ABS_MT_POSITION_X, 0, drvdata->tp->max_x, 0, 0); input_set_abs_params(input, ABS_MT_POSITION_Y, 0, drvdata->tp->max_y, 0, 0); input_abs_set_res(input, ABS_MT_POSITION_X, drvdata->tp->res_x); input_abs_set_res(input, ABS_MT_POSITION_Y, drvdata->tp->res_y); if (drvdata->tp->contact_size >= 5) { input_set_abs_params(input, ABS_TOOL_WIDTH, 0, MAX_TOUCH_MAJOR, 0, 0); input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, MAX_TOUCH_MAJOR, 0, 0); input_set_abs_params(input, ABS_MT_PRESSURE, 0, MAX_PRESSURE, 0, 0); } __set_bit(BTN_LEFT, input->keybit); __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); ret = input_mt_init_slots(input, drvdata->tp->max_contacts, INPUT_MT_POINTER); if (ret) { hid_err(hdev, "Asus input mt init slots failed: %d\n", ret); return ret; } } drvdata->input = input; if (drvdata->enable_backlight && asus_kbd_register_leds(hdev)) hid_warn(hdev, "Failed to initialize backlight.\n"); return 0; } #define asus_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \ max, EV_KEY, (c)) static int asus_input_mapping(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) { struct asus_drvdata *drvdata = hid_get_drvdata(hdev); if (drvdata->quirks & QUIRK_SKIP_INPUT_MAPPING) { /* Don't map anything from the HID report. * We do it all manually in asus_input_configured */ return -1; } /* * Ignore a bunch of bogus collections in the T100CHI descriptor. * This avoids a bunch of non-functional hid_input devices getting * created because of the T100CHI using HID_QUIRK_MULTI_INPUT. */ if (drvdata->quirks & QUIRK_T100CHI) { if (field->application == (HID_UP_GENDESK | 0x0080) || usage->hid == (HID_UP_GENDEVCTRLS | 0x0024) || usage->hid == (HID_UP_GENDEVCTRLS | 0x0025) || usage->hid == (HID_UP_GENDEVCTRLS | 0x0026)) return -1; /* * We use the hid_input for the mouse report for the touchpad, * keep the left button, to avoid the core removing it. */ if (field->application == HID_GD_MOUSE && usage->hid != (HID_UP_BUTTON | 1)) return -1; } /* ASUS-specific keyboard hotkeys */ if ((usage->hid & HID_USAGE_PAGE) == 0xff310000) { set_bit(EV_REP, hi->input->evbit); switch (usage->hid & HID_USAGE) { case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break; case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP); break; case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF); break; case 0x6c: asus_map_key_clear(KEY_SLEEP); break; case 0x82: asus_map_key_clear(KEY_CAMERA); break; case 0x88: asus_map_key_clear(KEY_RFKILL); break; case 0xb5: asus_map_key_clear(KEY_CALC); break; case 0xc4: asus_map_key_clear(KEY_KBDILLUMUP); break; case 0xc5: asus_map_key_clear(KEY_KBDILLUMDOWN); break; /* ASUS touchpad toggle */ case 0x6b: asus_map_key_clear(KEY_F21); break; /* ROG key */ case 0x38: asus_map_key_clear(KEY_PROG1); break; /* Fn+C ASUS Splendid */ case 0xba: asus_map_key_clear(KEY_PROG2); break; /* Fn+Space Power4Gear Hybrid */ case 0x5c: asus_map_key_clear(KEY_PROG3); break; default: /* ASUS lazily declares 256 usages, ignore the rest, * as some make the keyboard appear as a pointer device. */ 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; return 1; } if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) { set_bit(EV_REP, hi->input->evbit); switch (usage->hid & HID_USAGE) { case 0xff01: asus_map_key_clear(BTN_1); break; case 0xff02: asus_map_key_clear(BTN_2); break; case 0xff03: asus_map_key_clear(BTN_3); break; case 0xff04: asus_map_key_clear(BTN_4); break; case 0xff05: asus_map_key_clear(BTN_5); break; case 0xff06: asus_map_key_clear(BTN_6); break; case 0xff07: asus_map_key_clear(BTN_7); break; case 0xff08: asus_map_key_clear(BTN_8); break; case 0xff09: asus_map_key_clear(BTN_9); break; case 0xff0a: asus_map_key_clear(BTN_A); break; case 0xff0b: asus_map_key_clear(BTN_B); break; case 0x00f1: asus_map_key_clear(KEY_WLAN); break; case 0x00f2: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break; case 0x00f3: asus_map_key_clear(KEY_BRIGHTNESSUP); break; case 0x00f4: asus_map_key_clear(KEY_DISPLAY_OFF); break; case 0x00f7: asus_map_key_clear(KEY_CAMERA); break; case 0x00f8: asus_map_key_clear(KEY_PROG1); break; default: return 0; } return 1; } if (drvdata->quirks & QUIRK_NO_CONSUMER_USAGES && (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) { switch (usage->hid & HID_USAGE) { case 0xe2: /* Mute */ case 0xe9: /* Volume up */ case 0xea: /* Volume down */ return 0; default: /* Ignore dummy Consumer usages which make the * keyboard incorrectly appear as a pointer device. */ return -1; } } return 0; } static int asus_start_multitouch(struct hid_device *hdev) { int ret; static const unsigned char buf[] = { FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00 }; unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL); if (!dmabuf) { ret = -ENOMEM; hid_err(hdev, "Asus failed to alloc dma buf: %d\n", ret); return ret; } ret = hid_hw_raw_request(hdev, dmabuf[0], dmabuf, sizeof(buf), HID_FEATURE_REPORT, HID_REQ_SET_REPORT); kfree(dmabuf); if (ret != sizeof(buf)) { hid_err(hdev, "Asus failed to start multitouch: %d\n", ret); return ret; } return 0; } static int __maybe_unused asus_reset_resume(struct hid_device *hdev) { struct asus_drvdata *drvdata = hid_get_drvdata(hdev); if (drvdata->tp) return asus_start_multitouch(hdev); return 0; } static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id) { int ret; struct asus_drvdata *drvdata; drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL); if (drvdata == NULL) { hid_err(hdev, "Can't alloc Asus descriptor\n"); return -ENOMEM; } hid_set_drvdata(hdev, drvdata); drvdata->quirks = id->driver_data; if (drvdata->quirks & QUIRK_IS_MULTITOUCH) drvdata->tp = &asus_i2c_tp; if (drvdata->quirks & QUIRK_T100_KEYBOARD) { struct usb_interface *intf = to_usb_interface(hdev->dev.parent); if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) { drvdata->quirks = QUIRK_SKIP_INPUT_MAPPING; /* * The T100HA uses the same USB-ids as the T100TAF and * the T200TA uses the same USB-ids as the T100TA, while * both have different max x/y values as the T100TA[F]. */ if (dmi_match(DMI_PRODUCT_NAME, "T100HAN")) drvdata->tp = &asus_t100ha_tp; else if (dmi_match(DMI_PRODUCT_NAME, "T200TA")) drvdata->tp = &asus_t200ta_tp; else drvdata->tp = &asus_t100ta_tp; } } if (drvdata->quirks & QUIRK_T100CHI) { /* * All functionality is on a single HID interface and for * userspace the touchpad must be a separate input_dev. */ hdev->quirks |= HID_QUIRK_MULTI_INPUT; drvdata->tp = &asus_t100chi_tp; } if (drvdata->quirks & QUIRK_NO_INIT_REPORTS) hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS; ret = hid_parse(hdev); if (ret) { hid_err(hdev, "Asus hid parse failed: %d\n", ret); return ret; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (ret) { hid_err(hdev, "Asus hw start failed: %d\n", ret); return ret; } if (!drvdata->input) { hid_err(hdev, "Asus input not registered\n"); ret = -ENOMEM; goto err_stop_hw; } if (drvdata->tp) { drvdata->input->name = "Asus TouchPad"; } else { drvdata->input->name = "Asus Keyboard"; } if (drvdata->tp) { ret = asus_start_multitouch(hdev); if (ret) goto err_stop_hw; } return 0; err_stop_hw: hid_hw_stop(hdev); return ret; } static void asus_remove(struct hid_device *hdev) { struct asus_drvdata *drvdata = hid_get_drvdata(hdev); if (drvdata->kbd_backlight) { drvdata->kbd_backlight->removed = true; cancel_work_sync(&drvdata->kbd_backlight->work); } hid_hw_stop(hdev); } static const __u8 asus_g752_fixed_rdesc[] = { 0x19, 0x00, /* Usage Minimum (0x00) */ 0x2A, 0xFF, 0x00, /* Usage Maximum (0xFF) */ }; static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { struct asus_drvdata *drvdata = hid_get_drvdata(hdev); if (drvdata->quirks & QUIRK_FIX_NOTEBOOK_REPORT && *rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) { hid_info(hdev, "Fixing up Asus notebook report descriptor\n"); rdesc[55] = 0xdd; } /* For the T100TA/T200TA keyboard dock */ if (drvdata->quirks & QUIRK_T100_KEYBOARD && (*rsize == 76 || *rsize == 101) && rdesc[73] == 0x81 && rdesc[74] == 0x01) { hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n"); rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT; } /* For the T100CHI keyboard dock */ if (drvdata->quirks & QUIRK_T100CHI && *rsize == 403 && rdesc[388] == 0x09 && rdesc[389] == 0x76) { /* * Change Usage (76h) to Usage Minimum (00h), Usage Maximum * (FFh) and clear the flags in the Input() byte. * Note the descriptor has a bogus 0 byte at the end so we * only need 1 extra byte. */ *rsize = 404; rdesc = kmemdup(rdesc, *rsize, GFP_KERNEL); if (!rdesc) return NULL; hid_info(hdev, "Fixing up T100CHI keyb report descriptor\n"); memmove(rdesc + 392, rdesc + 390, 12); rdesc[388] = 0x19; rdesc[389] = 0x00; rdesc[390] = 0x29; rdesc[391] = 0xff; rdesc[402] = 0x00; } if (drvdata->quirks & QUIRK_G752_KEYBOARD && *rsize == 75 && rdesc[61] == 0x15 && rdesc[62] == 0x00) { /* report is missing usage mninum and maximum */ __u8 *new_rdesc; size_t new_size = *rsize + sizeof(asus_g752_fixed_rdesc); new_rdesc = devm_kzalloc(&hdev->dev, new_size, GFP_KERNEL); if (new_rdesc == NULL) return rdesc; hid_info(hdev, "Fixing up Asus G752 keyb report descriptor\n"); /* copy the valid part */ memcpy(new_rdesc, rdesc, 61); /* insert missing part */ memcpy(new_rdesc + 61, asus_g752_fixed_rdesc, sizeof(asus_g752_fixed_rdesc)); /* copy remaining data */ memcpy(new_rdesc + 61 + sizeof(asus_g752_fixed_rdesc), rdesc + 61, *rsize - 61); *rsize = new_size; rdesc = new_rdesc; } return rdesc; } static const struct hid_device_id asus_devices[] = { { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD), I2C_KEYBOARD_QUIRKS}, { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS }, { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1), QUIRK_USE_KBD_BACKLIGHT }, { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT }, { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3), QUIRK_G752_KEYBOARD }, { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T100TA_KEYBOARD), QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES }, { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T100TAF_KEYBOARD), QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES }, { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) }, { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) }, { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD), QUIRK_T100CHI }, { } }; MODULE_DEVICE_TABLE(hid, asus_devices); static struct hid_driver asus_driver = { .name = "asus", .id_table = asus_devices, .report_fixup = asus_report_fixup, .probe = asus_probe, .remove = asus_remove, .input_mapping = asus_input_mapping, .input_configured = asus_input_configured, #ifdef CONFIG_PM .reset_resume = asus_reset_resume, #endif .raw_event = asus_raw_event }; module_hid_driver(asus_driver); MODULE_LICENSE("GPL");