The trackpoint sensitivity can also be controlled, expose this via
sysfs.
Signed-off-by: Jamie Lentin <[email protected]>
---
drivers/hid/hid-lenovo.c | 42 +++++++++++++++++++++++++++++++++++++++++-
1 file changed, 41 insertions(+), 1 deletion(-)
diff --git a/drivers/hid/hid-lenovo.c b/drivers/hid/hid-lenovo.c
index 4c55f4d..0f35a76 100644
--- a/drivers/hid/hid-lenovo.c
+++ b/drivers/hid/hid-lenovo.c
@@ -38,6 +38,7 @@ struct lenovo_drvdata_tpkbd {
struct lenovo_drvdata_cptkbd {
bool fn_lock;
+ int sensitivity;
};
#define map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c))
@@ -145,6 +146,7 @@ static void lenovo_features_set_cptkbd(struct hid_device
*hdev)
struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev);
ret = lenovo_send_cmd_cptkbd(hdev, 0x05, cptkbd_data->fn_lock);
+ ret = lenovo_send_cmd_cptkbd(hdev, 0x02, cptkbd_data->sensitivity);
if (ret)
hid_err(hdev, "Fn-lock setting failed: %d\n", ret);
}
@@ -179,13 +181,50 @@ static ssize_t attr_fn_lock_store_cptkbd(struct device
*dev,
return count;
}
+static ssize_t attr_sensitivity_show_cptkbd(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev);
+
+ return snprintf(buf, PAGE_SIZE, "%u\n",
+ cptkbd_data->sensitivity);
+}
+
+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 struct device_attribute dev_attr_fn_lock_cptkbd =
__ATTR(fn_lock, S_IWUSR | S_IRUGO,
attr_fn_lock_show_cptkbd,
attr_fn_lock_store_cptkbd);
+static struct device_attribute dev_attr_sensitivity_cptkbd =
+ __ATTR(sensitivity, S_IWUSR | S_IRUGO,
+ attr_sensitivity_show_cptkbd,
+ attr_sensitivity_store_cptkbd);
+
+
static struct attribute *lenovo_attributes_cptkbd[] = {
&dev_attr_fn_lock_cptkbd.attr,
+ &dev_attr_sensitivity_cptkbd.attr,
NULL
};
@@ -594,8 +633,9 @@ static int lenovo_probe_cptkbd(struct hid_device *hdev)
if (ret)
hid_warn(hdev, "Failed to switch F7/9/11 mode: %d\n", ret);
- /* Turn Fn-Lock on by default */
+ /* Set keyboard settings to known state */
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);
--
2.1.3
--
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