Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Hans de Goede | 636 | 99.69% | 10 | 90.91% |
Thomas Gleixner | 2 | 0.31% | 1 | 9.09% |
Total | 638 | 11 |
// SPDX-License-Identifier: GPL-2.0-only /* * HID driver for some ITE "special" devices * Copyright (c) 2017 Hans de Goede <hdegoede@redhat.com> */ #include <linux/device.h> #include <linux/input.h> #include <linux/hid.h> #include <linux/module.h> #include "hid-ids.h" #define QUIRK_TOUCHPAD_ON_OFF_REPORT BIT(0) static __u8 *ite_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); if (quirks & QUIRK_TOUCHPAD_ON_OFF_REPORT) { /* For Acer Aspire Switch 10 SW5-012 keyboard-dock */ if (*rsize == 188 && rdesc[162] == 0x81 && rdesc[163] == 0x02) { hid_info(hdev, "Fixing up Acer Sw5-012 ITE keyboard report descriptor\n"); rdesc[163] = HID_MAIN_ITEM_RELATIVE; } /* For Acer One S1002/S1003 keyboard-dock */ if (*rsize == 188 && rdesc[185] == 0x81 && rdesc[186] == 0x02) { hid_info(hdev, "Fixing up Acer S1002/S1003 ITE keyboard report descriptor\n"); rdesc[186] = HID_MAIN_ITEM_RELATIVE; } /* For Acer Aspire Switch 10E (SW3-016) keyboard-dock */ if (*rsize == 210 && rdesc[184] == 0x81 && rdesc[185] == 0x02) { hid_info(hdev, "Fixing up Acer Aspire Switch 10E (SW3-016) ITE keyboard report descriptor\n"); rdesc[185] = HID_MAIN_ITEM_RELATIVE; } } return rdesc; } static int ite_input_mapping(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) { unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); if ((quirks & QUIRK_TOUCHPAD_ON_OFF_REPORT) && (usage->hid & HID_USAGE_PAGE) == 0x00880000) { if (usage->hid == 0x00880078) { /* Touchpad on, userspace expects F22 for this */ hid_map_usage_clear(hi, usage, bit, max, EV_KEY, KEY_F22); return 1; } if (usage->hid == 0x00880079) { /* Touchpad off, userspace expects F23 for this */ hid_map_usage_clear(hi, usage, bit, max, EV_KEY, KEY_F23); return 1; } return -1; } return 0; } static int ite_event(struct hid_device *hdev, struct hid_field *field, struct hid_usage *usage, __s32 value) { struct input_dev *input; if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput) return 0; input = field->hidinput->input; /* * The ITE8595 always reports 0 as value for the rfkill button. Luckily * it is the only button in its report, and it sends a report on * release only, so receiving a report means the button was pressed. */ if (usage->hid == HID_GD_RFKILL_BTN) { input_event(input, EV_KEY, KEY_RFKILL, 1); input_sync(input); input_event(input, EV_KEY, KEY_RFKILL, 0); input_sync(input); return 1; } return 0; } static int ite_probe(struct hid_device *hdev, const struct hid_device_id *id) { int ret; hid_set_drvdata(hdev, (void *)id->driver_data); ret = hid_open_report(hdev); if (ret) return ret; return hid_hw_start(hdev, HID_CONNECT_DEFAULT); } static const struct hid_device_id ite_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE8595) }, { HID_USB_DEVICE(USB_VENDOR_ID_258A, USB_DEVICE_ID_258A_6A88) }, /* ITE8595 USB kbd ctlr, with Synaptics touchpad connected to it. */ { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_ACER_SWITCH5_012), .driver_data = QUIRK_TOUCHPAD_ON_OFF_REPORT }, /* ITE8910 USB kbd ctlr, with Synaptics touchpad connected to it. */ { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_ACER_ONE_S1002), .driver_data = QUIRK_TOUCHPAD_ON_OFF_REPORT }, /* ITE8910 USB kbd ctlr, with Synaptics touchpad connected to it. */ { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_ACER_ONE_S1003), .driver_data = QUIRK_TOUCHPAD_ON_OFF_REPORT }, /* ITE8910 USB kbd ctlr, with Synaptics touchpad connected to it. */ { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_ACER_SWITCH5_017), .driver_data = QUIRK_TOUCHPAD_ON_OFF_REPORT }, { } }; MODULE_DEVICE_TABLE(hid, ite_devices); static struct hid_driver ite_driver = { .name = "itetech", .id_table = ite_devices, .probe = ite_probe, .report_fixup = ite_report_fixup, .input_mapping = ite_input_mapping, .event = ite_event, }; module_hid_driver(ite_driver); MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>"); MODULE_LICENSE("GPL");
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