From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp
---
kernel/drivers/hid/wacom_sys.c | 57 +++++++++++++++++++++++++++++++++++++++------------------
1 files changed, 39 insertions(+), 18 deletions(-)
diff --git a/kernel/drivers/hid/wacom_sys.c b/kernel/drivers/hid/wacom_sys.c
index 152570b..4dbf690 100644
--- a/kernel/drivers/hid/wacom_sys.c
+++ b/kernel/drivers/hid/wacom_sys.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* drivers/input/tablet/wacom_sys.c
*
@@ -5,10 +6,6 @@
*/
/*
- * 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 "wacom_wac.h"
@@ -250,6 +247,38 @@
field->usage[i-1].hid == HID_DG_INVERT &&
field->usage[i+1].hid == HID_DG_INRANGE) {
usage->hid = HID_DG_BARRELSWITCH2;
+ }
+ }
+
+ /*
+ * Wacom's AES devices use different vendor-defined usages to
+ * report serial number information compared to their branded
+ * hardware. The usages are also sometimes ill-defined and do
+ * not have the correct logical min/max values set. Lets patch
+ * the descriptor to use the branded usage convention and fix
+ * the errors.
+ */
+ if (usage->hid == WACOM_HID_WT_SERIALNUMBER &&
+ field->report_size == 16 &&
+ field->index + 2 < field->report->maxfield) {
+ struct hid_field *a = field->report->field[field->index + 1];
+ struct hid_field *b = field->report->field[field->index + 2];
+
+ if (a->maxusage > 0 &&
+ a->usage[0].hid == HID_DG_TOOLSERIALNUMBER &&
+ a->report_size == 32 &&
+ b->maxusage > 0 &&
+ b->usage[0].hid == 0xFF000000 &&
+ b->report_size == 8) {
+ features->quirks |= WACOM_QUIRK_AESPEN;
+ usage->hid = WACOM_HID_WD_TOOLTYPE;
+ field->logical_minimum = S16_MIN;
+ field->logical_maximum = S16_MAX;
+ a->logical_minimum = S32_MIN;
+ a->logical_maximum = S32_MAX;
+ b->usage[0].hid = WACOM_HID_WD_SERIALHI;
+ b->logical_minimum = 0;
+ b->logical_maximum = U8_MAX;
}
}
@@ -2095,7 +2124,7 @@
error = wacom_setup_pad_input_capabilities(pad_input_dev, wacom_wac);
if (error) {
- /* no pad in use on this interface */
+ /* no pad events using this interface */
input_free_device(pad_input_dev);
wacom_wac->pad_input = NULL;
pad_input_dev = NULL;
@@ -2725,14 +2754,12 @@
wacom_wac->features = *((struct wacom_features *)id->driver_data);
features = &wacom_wac->features;
- if (features->check_for_hid_type && features->hid_type != hdev->type) {
- error = -ENODEV;
- goto fail;
- }
+ if (features->check_for_hid_type && features->hid_type != hdev->type)
+ return -ENODEV;
error = wacom_devm_kfifo_alloc(wacom);
if (error)
- goto fail;
+ return error;
wacom_wac->hid_data.inputmode = -1;
wacom_wac->mode_report = -1;
@@ -2756,12 +2783,12 @@
error = hid_parse(hdev);
if (error) {
hid_err(hdev, "parse failed\n");
- goto fail;
+ return error;
}
error = wacom_parse_and_register(wacom, false);
if (error)
- goto fail;
+ return error;
if (hdev->bus == BUS_BLUETOOTH) {
error = device_create_file(&hdev->dev, &dev_attr_speed);
@@ -2772,10 +2799,6 @@
}
return 0;
-
-fail:
- hid_set_drvdata(hdev, NULL);
- return error;
}
static void wacom_remove(struct hid_device *hdev)
@@ -2802,8 +2825,6 @@
if (wacom->wacom_wac.features.type != REMOTE)
wacom_release_resources(wacom);
-
- hid_set_drvdata(hdev, NULL);
}
#ifdef CONFIG_PM
--
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