HPI_CTL_ATTR
HPI_GENERIC_ENABLE = HPI_CTL_ATTR(GENERIC, 1),
HPI_GENERIC_EVENT_ENABLE = HPI_CTL_ATTR(GENERIC, 2),
HPI_VOLUME_GAIN = HPI_CTL_ATTR(VOLUME, 1),
HPI_VOLUME_AUTOFADE = HPI_CTL_ATTR(VOLUME, 2),
HPI_VOLUME_MUTE = HPI_CTL_ATTR(VOLUME, 3),
HPI_VOLUME_GAIN_AND_FLAGS = HPI_CTL_ATTR(VOLUME, 4),
HPI_VOLUME_NUM_CHANNELS = HPI_CTL_ATTR(VOLUME, 6),
HPI_VOLUME_RANGE = HPI_CTL_ATTR(VOLUME, 10),
HPI_METER_RMS = HPI_CTL_ATTR(METER, 1),
HPI_METER_PEAK = HPI_CTL_ATTR(METER, 2),
HPI_METER_RMS_BALLISTICS = HPI_CTL_ATTR(METER, 3),
HPI_METER_PEAK_BALLISTICS = HPI_CTL_ATTR(METER, 4),
HPI_METER_NUM_CHANNELS = HPI_CTL_ATTR(METER, 5),
HPI_MULTIPLEXER_SOURCE = HPI_CTL_ATTR(MULTIPLEXER, 1),
HPI_MULTIPLEXER_QUERYSOURCE = HPI_CTL_ATTR(MULTIPLEXER, 2),
HPI_AESEBUTX_FORMAT = HPI_CTL_ATTR(AESEBUTX, 1),
HPI_AESEBUTX_SAMPLERATE = HPI_CTL_ATTR(AESEBUTX, 3),
HPI_AESEBUTX_CHANNELSTATUS = HPI_CTL_ATTR(AESEBUTX, 4),
HPI_AESEBUTX_USERDATA = HPI_CTL_ATTR(AESEBUTX, 5),
HPI_AESEBURX_FORMAT = HPI_CTL_ATTR(AESEBURX, 1),
HPI_AESEBURX_ERRORSTATUS = HPI_CTL_ATTR(AESEBURX, 2),
HPI_AESEBURX_SAMPLERATE = HPI_CTL_ATTR(AESEBURX, 3),
HPI_AESEBURX_CHANNELSTATUS = HPI_CTL_ATTR(AESEBURX, 4),
HPI_AESEBURX_USERDATA = HPI_CTL_ATTR(AESEBURX, 5),
HPI_LEVEL_GAIN = HPI_CTL_ATTR(LEVEL, 1),
HPI_LEVEL_RANGE = HPI_CTL_ATTR(LEVEL, 10),
HPI_TUNER_BAND = HPI_CTL_ATTR(TUNER, 1),
HPI_TUNER_FREQ = HPI_CTL_ATTR(TUNER, 2),
HPI_TUNER_LEVEL_AVG = HPI_CTL_ATTR(TUNER, 3),
HPI_TUNER_LEVEL_RAW = HPI_CTL_ATTR(TUNER, 4),
HPI_TUNER_SNR = HPI_CTL_ATTR(TUNER, 5),
HPI_TUNER_GAIN = HPI_CTL_ATTR(TUNER, 6),
HPI_TUNER_STATUS = HPI_CTL_ATTR(TUNER, 7),
HPI_TUNER_MODE = HPI_CTL_ATTR(TUNER, 8),
HPI_TUNER_RDS = HPI_CTL_ATTR(TUNER, 9),
HPI_TUNER_DEEMPHASIS = HPI_CTL_ATTR(TUNER, 10),
HPI_TUNER_PROGRAM = HPI_CTL_ATTR(TUNER, 11),
HPI_TUNER_HDRADIO_SIGNAL_QUALITY = HPI_CTL_ATTR(TUNER, 12),
HPI_TUNER_HDRADIO_SDK_VERSION = HPI_CTL_ATTR(TUNER, 13),
HPI_TUNER_HDRADIO_DSP_VERSION = HPI_CTL_ATTR(TUNER, 14),
HPI_TUNER_HDRADIO_BLEND = HPI_CTL_ATTR(TUNER, 15),
HPI_VOX_THRESHOLD = HPI_CTL_ATTR(VOX, 1),
HPI_CHANNEL_MODE_MODE = HPI_CTL_ATTR(CHANNEL_MODE, 1),
HPI_BITSTREAM_DATA_POLARITY = HPI_CTL_ATTR(BITSTREAM, 1),
HPI_BITSTREAM_CLOCK_EDGE = HPI_CTL_ATTR(BITSTREAM, 2),
HPI_BITSTREAM_CLOCK_SOURCE = HPI_CTL_ATTR(BITSTREAM, 3),
HPI_BITSTREAM_ACTIVITY = HPI_CTL_ATTR(BITSTREAM, 4),
HPI_SAMPLECLOCK_SOURCE = HPI_CTL_ATTR(SAMPLECLOCK, 1),
HPI_SAMPLECLOCK_SAMPLERATE = HPI_CTL_ATTR(SAMPLECLOCK, 2),
HPI_SAMPLECLOCK_SOURCE_INDEX = HPI_CTL_ATTR(SAMPLECLOCK, 3),
HPI_SAMPLECLOCK_LOCAL_SAMPLERATE = HPI_CTL_ATTR(SAMPLECLOCK, 4),
HPI_SAMPLECLOCK_AUTO = HPI_CTL_ATTR(SAMPLECLOCK, 5),
HPI_SAMPLECLOCK_LOCAL_LOCK = HPI_CTL_ATTR(SAMPLECLOCK, 6),
HPI_MICROPHONE_PHANTOM_POWER = HPI_CTL_ATTR(MICROPHONE, 1),
HPI_EQUALIZER_NUM_FILTERS = HPI_CTL_ATTR(EQUALIZER, 1),
HPI_EQUALIZER_FILTER = HPI_CTL_ATTR(EQUALIZER, 2),
HPI_EQUALIZER_COEFFICIENTS = HPI_CTL_ATTR(EQUALIZER, 3),
HPI_COMPANDER_PARAMS = HPI_CTL_ATTR(COMPANDER, 1),
HPI_COMPANDER_MAKEUPGAIN = HPI_CTL_ATTR(COMPANDER, 2),
HPI_COMPANDER_THRESHOLD = HPI_CTL_ATTR(COMPANDER, 3),
HPI_COMPANDER_RATIO = HPI_CTL_ATTR(COMPANDER, 4),
HPI_COMPANDER_ATTACK = HPI_CTL_ATTR(COMPANDER, 5),
HPI_COMPANDER_DECAY = HPI_CTL_ATTR(COMPANDER, 6),
HPI_COBRANET_SET = HPI_CTL_ATTR(COBRANET, 1),
HPI_COBRANET_GET = HPI_CTL_ATTR(COBRANET, 2),
HPI_COBRANET_GET_STATUS = HPI_CTL_ATTR(COBRANET, 5),
HPI_COBRANET_SEND_PACKET = HPI_CTL_ATTR(COBRANET, 6),
HPI_COBRANET_GET_PACKET = HPI_CTL_ATTR(COBRANET, 7),
HPI_TONEDETECTOR_THRESHOLD = HPI_CTL_ATTR(TONEDETECTOR, 1),
HPI_TONEDETECTOR_STATE = HPI_CTL_ATTR(TONEDETECTOR, 2),
HPI_TONEDETECTOR_FREQUENCY = HPI_CTL_ATTR(TONEDETECTOR, 3),
HPI_SILENCEDETECTOR_THRESHOLD = HPI_CTL_ATTR(SILENCEDETECTOR, 1),
HPI_SILENCEDETECTOR_STATE = HPI_CTL_ATTR(SILENCEDETECTOR, 2),
HPI_SILENCEDETECTOR_DELAY = HPI_CTL_ATTR(SILENCEDETECTOR, 3),
HPI_PAD_CHANNEL_NAME = HPI_CTL_ATTR(PAD, 1),
HPI_PAD_ARTIST = HPI_CTL_ATTR(PAD, 2),
HPI_PAD_TITLE = HPI_CTL_ATTR(PAD, 3),
HPI_PAD_COMMENT = HPI_CTL_ATTR(PAD, 4),
HPI_PAD_PROGRAM_TYPE = HPI_CTL_ATTR(PAD, 5),
HPI_PAD_PROGRAM_ID = HPI_CTL_ATTR(PAD, 6),
HPI_PAD_TA_SUPPORT = HPI_CTL_ATTR(PAD, 7),
HPI_PAD_TA_ACTIVE = HPI_CTL_ATTR(PAD, 8),
HPI_UNIVERSAL_ENTITY = HPI_CTL_ATTR(UNIVERSAL, 1)