static int intel_hid_pl_resume_handler(struct device *device)
{
intel_hid_set_enable(device, true);
intel_button_array_enable(device, true);
return 0;
}
static int intel_hid_pl_suspend_handler(struct device *device)
{
intel_hid_set_enable(device, false);
intel_button_array_enable(device, false);
return 0;
}
static int intel_hid_pl_suspend_handler(struct device *device)
{
if (pm_suspend_via_firmware()) {
intel_hid_set_enable(device, false);
intel_button_array_enable(device, false);
}
return 0;
}
static int intel_hid_probe(struct platform_device *device)
{
acpi_handle handle = ACPI_HANDLE(&device->dev);
struct intel_hid_priv *priv;
unsigned long long mode;
acpi_status status;
int err;
status = acpi_evaluate_integer(handle, "HDMM", NULL, &mode);
if (!ACPI_SUCCESS(status)) {
dev_warn(&device->dev, "failed to read mode\n");
return -ENODEV;
}
if (mode != 0) {
/*
* This driver only implements "simple" mode. There appear
* to be no other modes, but we should be paranoid and check
* for compatibility.
*/
dev_info(&device->dev, "platform is not in simple mode\n");
return -ENODEV;
}
priv = devm_kzalloc(&device->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
dev_set_drvdata(&device->dev, priv);
err = intel_hid_input_setup(device);
if (err) {
pr_err("Failed to setup Intel HID hotkeys\n");
return err;
}
status = acpi_install_notify_handler(handle,
ACPI_DEVICE_NOTIFY,
notify_handler,
device);
if (ACPI_FAILURE(status)) {
err = -EBUSY;
goto err_remove_input;
}
err = intel_hid_set_enable(&device->dev, 1);
if (err)
goto err_remove_notify;
return 0;
err_remove_notify:
acpi_remove_notify_handler(handle, ACPI_DEVICE_NOTIFY, notify_handler);
err_remove_input:
intel_hid_input_destroy(device);
return err;
}
static int intel_hid_pl_resume_handler(struct device *device)
{
struct intel_hid_priv *priv = dev_get_drvdata(device);
priv->wakeup_mode = false;
if (pm_resume_via_firmware()) {
intel_hid_set_enable(device, true);
intel_button_array_enable(device, true);
}
return 0;
}
static int intel_hid_remove(struct platform_device *device)
{
acpi_handle handle = ACPI_HANDLE(&device->dev);
acpi_remove_notify_handler(handle, ACPI_DEVICE_NOTIFY, notify_handler);
intel_hid_input_destroy(device);
intel_hid_set_enable(&device->dev, 0);
/*
* Even if we failed to shut off the event stream, we can still
* safely detach from the device.
*/
return 0;
}
static int intel_hid_pl_resume_handler(struct device *device)
{
intel_hid_set_enable(device, 1);
return 0;
}
static int intel_hid_pl_suspend_handler(struct device *device)
{
intel_hid_set_enable(device, 0);
return 0;
}
static int intel_hid_probe(struct platform_device *device)
{
acpi_handle handle = ACPI_HANDLE(&device->dev);
unsigned long long event_cap, mode;
struct intel_hid_priv *priv;
acpi_status status;
int err;
status = acpi_evaluate_integer(handle, "HDMM", NULL, &mode);
if (ACPI_FAILURE(status)) {
dev_warn(&device->dev, "failed to read mode\n");
return -ENODEV;
}
if (mode != 0) {
/*
* This driver only implements "simple" mode. There appear
* to be no other modes, but we should be paranoid and check
* for compatibility.
*/
dev_info(&device->dev, "platform is not in simple mode\n");
return -ENODEV;
}
priv = devm_kzalloc(&device->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
dev_set_drvdata(&device->dev, priv);
err = intel_hid_input_setup(device);
if (err) {
pr_err("Failed to setup Intel HID hotkeys\n");
return err;
}
/* Setup 5 button array */
status = acpi_evaluate_integer(handle, "HEBC", NULL, &event_cap);
if (ACPI_SUCCESS(status) && (event_cap & 0x20000)) {
dev_info(&device->dev, "platform supports 5 button array\n");
err = intel_button_array_input_setup(device);
if (err)
pr_err("Failed to setup Intel 5 button array hotkeys\n");
}
status = acpi_install_notify_handler(handle,
ACPI_DEVICE_NOTIFY,
notify_handler,
device);
if (ACPI_FAILURE(status))
return -EBUSY;
err = intel_hid_set_enable(&device->dev, true);
if (err)
goto err_remove_notify;
if (priv->array) {
intel_button_array_enable(&device->dev, true);
/* Call button load method to enable HID power button */
status = acpi_evaluate_object(handle, "BTNL", NULL, NULL);
if (ACPI_FAILURE(status))
dev_warn(&device->dev,
"failed to enable HID power button\n");
}
return 0;
err_remove_notify:
acpi_remove_notify_handler(handle, ACPI_DEVICE_NOTIFY, notify_handler);
return err;
}
static int intel_hid_probe(struct platform_device *device)
{
acpi_handle handle = ACPI_HANDLE(&device->dev);
unsigned long long mode;
struct intel_hid_priv *priv;
acpi_status status;
int err;
intel_hid_init_dsm(handle);
if (!intel_hid_evaluate_method(handle, INTEL_HID_DSM_HDMM_FN, &mode)) {
dev_warn(&device->dev, "failed to read mode\n");
return -ENODEV;
}
if (mode != 0) {
/*
* This driver only implements "simple" mode. There appear
* to be no other modes, but we should be paranoid and check
* for compatibility.
*/
dev_info(&device->dev, "platform is not in simple mode\n");
return -ENODEV;
}
priv = devm_kzalloc(&device->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
dev_set_drvdata(&device->dev, priv);
err = intel_hid_input_setup(device);
if (err) {
pr_err("Failed to setup Intel HID hotkeys\n");
return err;
}
/* Setup 5 button array */
if (button_array_present(device)) {
dev_info(&device->dev, "platform supports 5 button array\n");
err = intel_button_array_input_setup(device);
if (err)
pr_err("Failed to setup Intel 5 button array hotkeys\n");
}
status = acpi_install_notify_handler(handle,
ACPI_DEVICE_NOTIFY,
notify_handler,
device);
if (ACPI_FAILURE(status))
return -EBUSY;
err = intel_hid_set_enable(&device->dev, true);
if (err)
goto err_remove_notify;
if (priv->array) {
unsigned long long dummy;
intel_button_array_enable(&device->dev, true);
/* Call button load method to enable HID power button */
if (!intel_hid_evaluate_method(handle, INTEL_HID_DSM_BTNL_FN,
&dummy)) {
dev_warn(&device->dev,
"failed to enable HID power button\n");
}
}
device_init_wakeup(&device->dev, true);
return 0;
err_remove_notify:
acpi_remove_notify_handler(handle, ACPI_DEVICE_NOTIFY, notify_handler);
return err;
}
