static void gb_wmi_notify(u32 value, void* context)
{
struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object* obj;
acpi_status status;
int code;
status = wmi_get_event_data(value, &response);
if (status != AE_OK) {
pr_err("Bad event status 0x%x\n", status);
return;
}
obj = (union acpi_object*)response.pointer;
if (!obj) {
pr_info("Could not get response pointer\n");
return;
}
if (obj->type == ACPI_TYPE_BUFFER) {
int eventcode = obj->buffer.pointer[0];
struct key_entry* key = sparse_keymap_entry_from_scancode(gb_wmi_input_dev, eventcode);
pr_info("Buffer received: %x %x \n", obj->buffer.length, obj->buffer.pointer[0], obj->buffer.pointer[1]);
if (key)
sparse_keymap_report_entry(gb_wmi_input_dev, key, 1, true);
}
else
pr_info("Unknown event\n");
kfree(obj);
}
static void msi_wmi_notify(u32 value, void *context)
{
struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
struct key_entry *key;
union acpi_object *obj;
acpi_status status;
status = wmi_get_event_data(value, &response);
if (status != AE_OK) {
pr_info("bad event status 0x%x\n", status);
return;
}
obj = (union acpi_object *)response.pointer;
if (obj && obj->type == ACPI_TYPE_INTEGER) {
int eventcode = obj->integer.value;
pr_debug("Eventcode: 0x%x\n", eventcode);
key = sparse_keymap_entry_from_scancode(msi_wmi_input_dev,
eventcode);
if (!key) {
pr_info("Unknown key pressed - %x\n", eventcode);
goto msi_wmi_notify_exit;
}
if (event_wmi->quirk_last_pressed) {
ktime_t cur = ktime_get_real();
ktime_t diff = ktime_sub(cur, last_pressed);
/* Ignore event if any event happened in a 50 ms
timeframe -> Key press may result in 10-20 GPEs */
if (ktime_to_us(diff) < 1000 * 50) {
pr_debug("Suppressed key event 0x%X - "
"Last press was %lld us ago\n",
key->code, ktime_to_us(diff));
goto msi_wmi_notify_exit;
}
last_pressed = cur;
}
if (key->type == KE_KEY &&
/* Brightness is served via acpi video driver */
(backlight ||
(key->code != MSI_KEY_BRIGHTNESSUP &&
key->code != MSI_KEY_BRIGHTNESSDOWN))) {
pr_debug("Send key: 0x%X - Input layer keycode: %d\n",
key->code, key->keycode);
sparse_keymap_report_entry(msi_wmi_input_dev, key, 1,
true);
}
} else
pr_info("Unknown event received\n");
msi_wmi_notify_exit:
kfree(response.pointer);
}
/**
* sparse_keymap_report_event - report event corresponding to given scancode
* @dev: Input device using sparse keymap
* @code: Scan code
* @value: Value that should be reported (ignored by %KE_SW entries)
* @autorelease: Signals whether release event should be emitted for %KE_KEY
* entries right after reporting press event, ignored by all other
* entries
*
* This function is used to perform lookup in an input device using sparse
* keymap and report corresponding event. Returns %true if lookup was
* successful and %false otherwise.
*/
bool sparse_keymap_report_event(struct input_dev *dev, unsigned int code,
unsigned int value, bool autorelease)
{
const struct key_entry *ke =
sparse_keymap_entry_from_scancode(dev, code);
struct key_entry unknown_ke;
if (ke) {
sparse_keymap_report_entry(dev, ke, value, autorelease);
return true;
}
/* Report an unknown key event as a debugging aid */
unknown_ke.type = KE_KEY;
unknown_ke.code = code;
unknown_ke.keycode = KEY_UNKNOWN;
sparse_keymap_report_entry(dev, &unknown_ke, value, true);
return false;
}
/**
* sparse_keymap_report_event - report event corresponding to given scancode
* @dev: Input device using sparse keymap
* @code: Scan code
* @value: Value that should be reported (ignored by %KE_SW entries)
* @autorelease: Signals whether release event should be emitted for %KE_KEY
* entries right after reporting press event, ignored by all other
* entries
*
* This function is used to perform lookup in an input device using sparse
* keymap and report corresponding event. Returns %true if lookup was
* successful and %false otherwise.
*/
bool sparse_keymap_report_event(struct input_dev *dev, unsigned int code,
unsigned int value, bool autorelease)
{
const struct key_entry *ke =
sparse_keymap_entry_from_scancode(dev, code);
if (ke) {
sparse_keymap_report_entry(dev, ke, value, autorelease);
return true;
}
return false;
}
static void msi_wmi_notify(u32 value, void *context)
{
struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
static struct key_entry *key;
union acpi_object *obj;
ktime_t cur;
wmi_get_event_data(value, &response);
obj = (union acpi_object *)response.pointer;
if (obj && obj->type == ACPI_TYPE_INTEGER) {
int eventcode = obj->integer.value;
dprintk("Eventcode: 0x%x\n", eventcode);
key = sparse_keymap_entry_from_scancode(msi_wmi_input_dev,
eventcode);
if (key) {
ktime_t diff;
cur = ktime_get_real();
diff = ktime_sub(cur, last_pressed[key->code -
KEYCODE_BASE]);
/* Ignore event if the same event happened in a 50 ms
timeframe -> Key press may result in 10-20 GPEs */
if (ktime_to_us(diff) < 1000 * 50) {
dprintk("Suppressed key event 0x%X - "
"Last press was %lld us ago\n",
key->code, ktime_to_us(diff));
return;
}
last_pressed[key->code - KEYCODE_BASE] = cur;
if (key->type == KE_KEY &&
/* Brightness is served via acpi video driver */
(!acpi_video_backlight_support() ||
(key->code != MSI_WMI_BRIGHTNESSUP &&
key->code != MSI_WMI_BRIGHTNESSDOWN))) {
dprintk("Send key: 0x%X - "
"Input layer keycode: %d\n", key->code,
key->keycode);
sparse_keymap_report_entry(msi_wmi_input_dev,
key, 1, true);
}
} else
printk(KERN_INFO "Unknown key pressed - %x\n",
eventcode);
} else
printk(KERN_INFO DRV_PFX "Unknown event received\n");
kfree(response.pointer);
}
