FwupdPlugin.UdevDevice.get_slot_depth

### Method

# FwupdPlugin UdevDeviceget_slot_depth

#### Declaration [src]

    guint
    fu_udev_device_get_slot_depth (
      FuUdevDevice* self,
      const gchar* subsystem
    )

#### Description [src]

Determine how far up a chain a given device is.

Available since: | 1.2.4

#### Parameters

`subsystem` | `const gchar*`
| A subsystem.
| The data is owned by the caller of the function.
| The value is a NUL terminated UTF-8 string.

#### Return value

Returns: | `guint`
| Unsigned integer.