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Add event sending structure for touchpad toggle workaround

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This commit is contained in:
Christoffer Sandberg 2020-06-02 10:11:45 +02:00
parent f7d79e6bbc
commit 8a7052dbda
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GPG key ID: BF563F71B6C7A96D
2 changed files with 71 additions and 11 deletions
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4
src/tuxedo_keyboard.c
View file

@ -67,6 +67,10 @@ static int tuxedo_input_init(const struct key_entry key_map[])
}
}
// Add touchpad key event bits for manual report workaround
tuxedo_input_device->evbit[0] = BIT_MASK(EV_KEY);
tuxedo_input_device->keybit[BIT_WORD(KEY_F21)] = BIT_MASK(KEY_F21);
err = input_register_device(tuxedo_input_device);
if (unlikely(err)) {
TUXEDO_ERROR("Error registering input device\n");

76
src/uniwill_keyboard.h
View file

@ -20,6 +20,8 @@
#include "tuxedo_keyboard_common.h"
#include <linux/acpi.h>
#include <linux/wmi.h>
#include <linux/workqueue.h>
#include <linux/keyboard.h>
#define UNIWILL_WMI_MGMT_GUID_BA "ABBC0F6D-8EA1-11D1-00A0-C90629100000"
#define UNIWILL_WMI_MGMT_GUID_BB "ABBC0F6E-8EA1-11D1-00A0-C90629100000"
@ -35,11 +37,54 @@
struct tuxedo_keyboard_driver uniwill_keyboard_driver;
static struct key_entry uniwill_wmi_keymap[] = {
{ KE_KEY, UNIWILL_OSD_RADIOON, { KEY_RFKILL } },
{ KE_KEY, UNIWILL_OSD_RADIOOFF, { KEY_RFKILL } },
// { KE_KEY, UNIWILL_OSD_RADIOON, { KEY_RFKILL } },
// { KE_KEY, UNIWILL_OSD_RADIOOFF, { KEY_RFKILL } },
{ KE_END, 0 }
};
static void key_event_work(struct work_struct *work)
{
input_report_key(uniwill_keyboard_driver.input_device, KEY_F21, 1);
input_report_key(uniwill_keyboard_driver.input_device, KEY_F21, 0);
input_sync(uniwill_keyboard_driver.input_device);
}
// Previous key codes for detecting longer combination
static u32 prev_key = 0, prevprev_key = 0;
static DECLARE_WORK(uniwill_key_event_work, key_event_work);
static int keyboard_notifier_callb(struct notifier_block *nb, unsigned long code, void *_param)
{
struct keyboard_notifier_param *param = _param;
int ret = NOTIFY_OK;
if (!param->down) {
if (code == KBD_KEYCODE) {
TUXEDO_DEBUG("[%d, %d, %d]\n", prevprev_key, prev_key, param->value);
switch (param->value) {
case 125:
// If the last keys up were 85 -> 29 -> 125
// manually report KEY_F21
if (prevprev_key == 85 && prev_key == 29) {
TUXEDO_DEBUG("Touchpad Toggle\n");
schedule_work(&uniwill_key_event_work);
ret = NOTIFY_STOP;
}
break;
}
prevprev_key = prev_key;
prev_key = param->value;
}
}
return ret;
}
static struct notifier_block keyboard_notifier_block = {
.notifier_call = keyboard_notifier_callb
};
static void uniwill_wmi_handle_event(u32 value, void *context, u32 guid_nr)
{
struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
@ -58,7 +103,7 @@ static void uniwill_wmi_handle_event(u32 value, void *context, u32 guid_nr)
if (obj && obj->type == ACPI_TYPE_INTEGER) {
code = obj->integer.value;
if (!sparse_keymap_report_known_event(current_driver->input_device, code, 1, true)) {
TUXEDO_DEBUG("Unknown key - %d (%0#6x)\n", code, code);
TUXEDO_DEBUG("[Ev %d] Unknown key - %d (%0#6x)\n", guid_nr, code, code);
}
}
@ -99,16 +144,26 @@ static int uniwill_keyboard_probe(struct platform_device *dev)
}
// Attempt to add event handlers
status =
wmi_install_notify_handler(UNIWILL_WMI_EVENT_GUID_0, uniwill_wmi_notify0, NULL) &&
wmi_install_notify_handler(UNIWILL_WMI_EVENT_GUID_1, uniwill_wmi_notify1, NULL) &&
wmi_install_notify_handler(UNIWILL_WMI_EVENT_GUID_2, uniwill_wmi_notify2, NULL);
if (!status) {
TUXEDO_ERROR("probe: Failed to install at least one uniwill notify handler\n");
status = wmi_install_notify_handler(UNIWILL_WMI_EVENT_GUID_0, uniwill_wmi_notify0, NULL);
if (ACPI_FAILURE(status)) {
TUXEDO_ERROR("probe: Failed to install uniwill notify handler 0\n");
goto err_remove_notifiers;
}
status = wmi_install_notify_handler(UNIWILL_WMI_EVENT_GUID_1, uniwill_wmi_notify1, NULL);
if (ACPI_FAILURE(status)) {
TUXEDO_ERROR("probe: Failed to install uniwill notify handler 1\n");
goto err_remove_notifiers;
}
status = wmi_install_notify_handler(UNIWILL_WMI_EVENT_GUID_2, uniwill_wmi_notify2, NULL);
if (ACPI_FAILURE(status)) {
TUXEDO_ERROR("probe: Failed to install uniwill notify handler 2\n");
goto err_remove_notifiers;
}
status = register_keyboard_notifier(&keyboard_notifier_block);
return 0;
err_remove_notifiers:
@ -121,6 +176,7 @@ err_remove_notifiers:
static int uniwill_keyboard_remove(struct platform_device *dev)
{
unregister_keyboard_notifier(&keyboard_notifier_block);
wmi_remove_notify_handler(UNIWILL_WMI_EVENT_GUID_0);
wmi_remove_notify_handler(UNIWILL_WMI_EVENT_GUID_1);
wmi_remove_notify_handler(UNIWILL_WMI_EVENT_GUID_2);