diff options
Diffstat (limited to 'include/linux/hid-sensor-hub.h')
| -rw-r--r-- | include/linux/hid-sensor-hub.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/hid-sensor-hub.h b/include/linux/hid-sensor-hub.h index 32ba45158d39..a265af294ea4 100644 --- a/include/linux/hid-sensor-hub.h +++ b/include/linux/hid-sensor-hub.h @@ -47,11 +47,13 @@ struct hid_sensor_hub_attribute_info { * @hdev: Stores the hid instance. * @vendor_id: Vendor id of hub device. * @product_id: Product id of hub device. + * @ref_cnt: Number of MFD clients have opened this device */ struct hid_sensor_hub_device { struct hid_device *hdev; u32 vendor_id; u32 product_id; + int ref_cnt; }; /** @@ -74,6 +76,22 @@ struct hid_sensor_hub_callbacks { void *priv); }; +/** +* sensor_hub_device_open() - Open hub device +* @hsdev: Hub device instance. +* +* Used to open hid device for sensor hub. +*/ +int sensor_hub_device_open(struct hid_sensor_hub_device *hsdev); + +/** +* sensor_hub_device_clode() - Close hub device +* @hsdev: Hub device instance. +* +* Used to clode hid device for sensor hub. +*/ +void sensor_hub_device_close(struct hid_sensor_hub_device *hsdev); + /* Registration functions */ /** |