| |   | +-o AppleHDAController  <class AppleHDAController, registered, matched, active, busy 0, retain count 8>
    | |   |   |   "IOClass" = "AppleHDAController"
    | |   |   |   "CFBundleIdentifier" = "com.apple.driver.AppleHDAController"
    | |   |   +-o IOHDACodecDevice@0  <class IOHDACodecDevice, registered, matched, active, busy 0, retain count 6>
    | |   |   | |   "IOHDACodecRevisionID" = 1049088
    | |   |   | |   "IOHDACodecVendorID" = 299112833
    | |   |   | +-o IOHDACodecDriver  <class IOHDACodecDriver, !registered, !matched, active, busy 0, retain count 5$
    | |   |   |   |   "IOClass" = "IOHDACodecDriver"
    | |   |   |   |   "IOProviderClass" = "IOHDACodecDevice"
    | |   |   |   |   "CFBundleIdentifier" = "com.apple.iokit.IOHDAFamily"
    | |   |   |   +-o IOHDACodecFunction@1  <class IOHDACodecFunction, registered, matched, active, busy 0, retain c$
    | |   |   |     |   "IOHDACodecFunctionGroupType" = 1
    | |   |   |     |   "IOHDACodecFunctionSubsystemID" = 272380074
    | |   |   |     +-o AppleHDACodecGeneric  <class AppleHDACodecGeneric, registered, matched, active, busy 0, reta$
    | |   |   |           "IOClass" = "AppleHDACodecGeneric"
    | |   |   |           "IOHDACodecFunctionGroupType" = 1
    | |   |   |           "IOProviderClass" = "IOHDACodecFunction"
    | |   |   |           "CFBundleIdentifier" = "com.apple.driver.AppleHDA"
    | |   |   +-o IOHDACodecDevice@1  <class IOHDACodecDevice, registered, matched, active, busy 0, retain count 6>
    | |   |     |   "IOHDACodecRevisionID" = 1050368
    | |   |     |   "IOHDACodecVendorID" = 297873446
    | |   |     +-o IOHDACodecDriver  <class IOHDACodecDriver, !registered, !matched, active, busy 0, retain count 5$
    | |   |       |   "IOClass" = "IOHDACodecDriver"
    | |   |       |   "IOProviderClass" = "IOHDACodecDevice"
    | |   |       |   "CFBundleIdentifier" = "com.apple.iokit.IOHDAFamily"
    | |   |       +-o IOHDACodecFunction@1  <class IOHDACodecFunction, registered, matched, active, busy 0, retain c$
    | |   |             "IOHDACodecFunctionGroupType" = 2
    | |   |             "IOHDACodecFunctionSubsystemID" = 272380074