From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/hid/hid-ite.c | 92 +++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 87 insertions(+), 5 deletions(-)
diff --git a/kernel/drivers/hid/hid-ite.c b/kernel/drivers/hid/hid-ite.c
index f2e23f8..b8cce9c 100644
--- a/kernel/drivers/hid/hid-ite.c
+++ b/kernel/drivers/hid/hid-ite.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* HID driver for some ITE "special" devices
* Copyright (c) 2017 Hans de Goede <hdegoede@redhat.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/device.h>
@@ -13,6 +10,59 @@
#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)
@@ -40,13 +90,42 @@
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) },
+ 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);
@@ -54,6 +133,9 @@
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);
--
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