diff options
Diffstat (limited to 'include/linux/hid-sensor-hub.h')
| -rw-r--r-- | include/linux/hid-sensor-hub.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/hid-sensor-hub.h b/include/linux/hid-sensor-hub.h index 51f7ccadf923..60a34277ddf2 100644 --- a/include/linux/hid-sensor-hub.h +++ b/include/linux/hid-sensor-hub.h @@ -47,19 +47,43 @@ struct hid_sensor_hub_attribute_info { }; /** + * struct sensor_hub_pending - Synchronous read pending information + * @status: Pending status true/false. + * @ready: Completion synchronization data. + * @usage_id: Usage id for physical device, E.g. Gyro usage id. + * @attr_usage_id: Usage Id of a field, E.g. X-AXIS for a gyro. + * @raw_size: Response size for a read request. + * @raw_data: Place holder for received response. + */ +struct sensor_hub_pending { + bool status; + struct completion ready; + u32 usage_id; + u32 attr_usage_id; + int raw_size; + u8 *raw_data; +}; + +/** * struct hid_sensor_hub_device - Stores the hub instance data * @hdev: Stores the hid instance. * @vendor_id: Vendor id of hub device. * @product_id: Product id of hub device. + * @usage: Usage id for this hub device instance. * @start_collection_index: Starting index for a phy type collection * @end_collection_index: Last index for a phy type collection + * @mutex: synchronizing mutex. + * @pending: Holds information of pending sync read request. */ struct hid_sensor_hub_device { struct hid_device *hdev; u32 vendor_id; u32 product_id; + u32 usage; int start_collection_index; int end_collection_index; + struct mutex mutex; + struct sensor_hub_pending pending; }; /** |