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-rw-r--r--drivers/hid/hid-sensor-hub.c30
-rw-r--r--include/linux/hid-sensor-ids.h2
2 files changed, 28 insertions, 4 deletions
diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c
index 62fadf8c86fc..c325f85fa3a6 100644
--- a/drivers/hid/hid-sensor-hub.c
+++ b/drivers/hid/hid-sensor-hub.c
@@ -86,7 +86,8 @@ static int sensor_hub_get_physical_device_count(struct hid_device *hdev)
for (i = 0; i < hdev->maxcollection; ++i) {
struct hid_collection *collection = &hdev->collection[i];
- if (collection->type == HID_COLLECTION_PHYSICAL)
+ if (collection->type == HID_COLLECTION_PHYSICAL ||
+ collection->type == HID_COLLECTION_APPLICATION)
++count;
}
@@ -118,7 +119,8 @@ static struct hid_sensor_hub_callbacks *sensor_hub_get_callback(
spin_lock(&pdata->dyn_callback_lock);
list_for_each_entry(callback, &pdata->dyn_callback_list, list)
- if (callback->usage_id == usage_id &&
+ if ((callback->usage_id == usage_id ||
+ callback->usage_id == HID_USAGE_SENSOR_COLLECTION) &&
(collection_index >=
callback->hsdev->start_collection_index) &&
(collection_index <
@@ -157,7 +159,18 @@ int sensor_hub_register_callback(struct hid_sensor_hub_device *hsdev,
callback->usage_callback = usage_callback;
callback->usage_id = usage_id;
callback->priv = NULL;
- list_add_tail(&callback->list, &pdata->dyn_callback_list);
+ /*
+ * If there is a handler registered for the collection type, then
+ * it will handle all reports for sensors in this collection. If
+ * there is also an individual sensor handler registration, then
+ * we want to make sure that the reports are directed to collection
+ * handler, as this may be a fusion sensor. So add collection handlers
+ * to the beginning of the list, so that they are matched first.
+ */
+ if (usage_id == HID_USAGE_SENSOR_COLLECTION)
+ list_add(&callback->list, &pdata->dyn_callback_list);
+ else
+ list_add_tail(&callback->list, &pdata->dyn_callback_list);
spin_unlock_irqrestore(&pdata->dyn_callback_lock, flags);
return 0;
@@ -555,6 +568,7 @@ static int sensor_hub_probe(struct hid_device *hdev,
int dev_cnt;
struct hid_sensor_hub_device *hsdev;
struct hid_sensor_hub_device *last_hsdev = NULL;
+ struct hid_sensor_hub_device *collection_hsdev = NULL;
sd = devm_kzalloc(&hdev->dev, sizeof(*sd), GFP_KERNEL);
if (!sd) {
@@ -601,7 +615,8 @@ static int sensor_hub_probe(struct hid_device *hdev,
for (i = 0; i < hdev->maxcollection; ++i) {
struct hid_collection *collection = &hdev->collection[i];
- if (collection->type == HID_COLLECTION_PHYSICAL) {
+ if (collection->type == HID_COLLECTION_PHYSICAL ||
+ collection->type == HID_COLLECTION_APPLICATION) {
hsdev = devm_kzalloc(&hdev->dev, sizeof(*hsdev),
GFP_KERNEL);
@@ -638,10 +653,17 @@ static int sensor_hub_probe(struct hid_device *hdev,
hid_dbg(hdev, "Adding %s:%d\n", name,
hsdev->start_collection_index);
sd->hid_sensor_client_cnt++;
+ if (collection_hsdev)
+ collection_hsdev->end_collection_index = i;
+ if (collection->type == HID_COLLECTION_APPLICATION &&
+ collection->usage == HID_USAGE_SENSOR_COLLECTION)
+ collection_hsdev = hsdev;
}
}
if (last_hsdev)
last_hsdev->end_collection_index = i;
+ if (collection_hsdev)
+ collection_hsdev->end_collection_index = i;
ret = mfd_add_hotplug_devices(&hdev->dev,
sd->hid_sensor_hub_client_devs,
diff --git a/include/linux/hid-sensor-ids.h b/include/linux/hid-sensor-ids.h
index 109f0e633e01..f2ee90aed0c2 100644
--- a/include/linux/hid-sensor-ids.h
+++ b/include/linux/hid-sensor-ids.h
@@ -21,6 +21,8 @@
#define HID_MAX_PHY_DEVICES 0xFF
+#define HID_USAGE_SENSOR_COLLECTION 0x200001
+
/* Accel 3D (200073) */
#define HID_USAGE_SENSOR_ACCEL_3D 0x200073
#define HID_USAGE_SENSOR_DATA_ACCELERATION 0x200452
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