sof_ipc4_control_msg_payload Struct Reference

IPC4 payload structure for ALSA kcontrol parameters. More...

#include <src/include/ipc4/header.h>

Collaboration diagram for sof_ipc4_control_msg_payload:

Data Fields
uint16_t	id
	Unique identifier of the control.
uint16_t	num_elems
	Number of elements in the chanv array or number of bytes in data.
uint32_t	reserved [4]
	Reserved for future expansion; must be set to 0.
union {
struct sof_ipc4_ctrl_value_chan   chanv [0]
	Channel ID and value array. More...
uint8_t   data [0]
	Binary byte payload for raw controls. More...
};

Detailed Description

IPC4 payload structure for ALSA kcontrol parameters.

Field Documentation

[union]

union { ... } sof_ipc4_control_msg_payload

chanv

struct sof_ipc4_ctrl_value_chan sof_ipc4_control_msg_payload::chanv[0]

Channel ID and value array.

data

uint8_t sof_ipc4_control_msg_payload::data[0]

Binary byte payload for raw controls.

id

uint16_t sof_ipc4_control_msg_payload::id

Unique identifier of the control.

num_elems

uint16_t sof_ipc4_control_msg_payload::num_elems

Number of elements in the chanv array or number of bytes in data.

reserved

uint32_t sof_ipc4_control_msg_payload::reserved[4]

Reserved for future expansion; must be set to 0.

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The documentation for this struct was generated from the following file:

• src/include/ipc4/header.h