static ssize_t attr_sensitivity_store_cptkbd(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t count)
{
struct hid_device *hdev = container_of(dev, struct hid_device, dev);
struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev);
int value;
if (kstrtoint(buf, 10, &value) || value < 1 || value > 255)
return -EINVAL;
cptkbd_data->sensitivity = value;
lenovo_features_set_cptkbd(hdev);
return count;
}
static int lenovo_probe_cptkbd(struct hid_device *hdev)
{
int ret;
struct lenovo_drvdata_cptkbd *cptkbd_data;
/* All the custom action happens on the USBMOUSE device for USB */
if (hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD
&& hdev->type != HID_TYPE_USBMOUSE) {
hid_dbg(hdev, "Ignoring keyboard half of device\n");
return 0;
}
cptkbd_data = devm_kzalloc(&hdev->dev,
sizeof(*cptkbd_data),
GFP_KERNEL);
if (cptkbd_data == NULL) {
hid_err(hdev, "can't alloc keyboard descriptor\n");
return -ENOMEM;
}
hid_set_drvdata(hdev, cptkbd_data);
/*
* Tell the keyboard a driver understands it, and turn F7, F9, F11 into
* regular keys
*/
ret = lenovo_send_cmd_cptkbd(hdev, 0x01, 0x03);
if (ret)
hid_warn(hdev, "Failed to switch F7/9/11 mode: %d\n", ret);
/* Switch middle button to native mode */
ret = lenovo_send_cmd_cptkbd(hdev, 0x09, 0x01);
if (ret)
hid_warn(hdev, "Failed to switch middle button: %d\n", ret);
/* Set keyboard settings to known state */
cptkbd_data->middlebutton_state = 0;
cptkbd_data->fn_lock = true;
cptkbd_data->sensitivity = 0x05;
lenovo_features_set_cptkbd(hdev);
ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_cptkbd);
if (ret)
hid_warn(hdev, "Could not create sysfs group: %d\n", ret);
return 0;
}
static ssize_t attr_fn_lock_store_cptkbd(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t count)
{
struct hid_device *hdev = to_hid_device(dev);
struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev);
int value;
if (kstrtoint(buf, 10, &value))
return -EINVAL;
if (value < 0 || value > 1)
return -EINVAL;
cptkbd_data->fn_lock = !!value;
lenovo_features_set_cptkbd(hdev);
return count;
}