sof_ipc_dai_dmic_pdm_ctrl Struct Reference

#include <dai-intel.h>

Data Fields
uint32_t	reserved0
uint16_t	id
	PDM controller ID.
uint16_t	enable_mic_a
	Use A (left) channel mic (0 or 1).
uint16_t	enable_mic_b
	Use B (right) channel mic (0 or 1).
uint16_t	polarity_mic_a
	Optionally invert mic A signal (0 or 1).
uint16_t	polarity_mic_b
	Optionally invert mic B signal (0 or 1).
uint16_t	clk_edge
	Optionally swap data clock edge (0 or 1).
uint16_t	skew
	Adjust PDM data sampling vs.
uint16_t	reserved [3]
	Make sure the total size is 4 bytes aligned.

Field Documentation

clk_edge

uint16_t sof_ipc_dai_dmic_pdm_ctrl::clk_edge

Optionally swap data clock edge (0 or 1).

enable_mic_a

uint16_t sof_ipc_dai_dmic_pdm_ctrl::enable_mic_a

Use A (left) channel mic (0 or 1).

enable_mic_b

uint16_t sof_ipc_dai_dmic_pdm_ctrl::enable_mic_b

Use B (right) channel mic (0 or 1).

id

uint16_t sof_ipc_dai_dmic_pdm_ctrl::id

PDM controller ID.

polarity_mic_a

uint16_t sof_ipc_dai_dmic_pdm_ctrl::polarity_mic_a

Optionally invert mic A signal (0 or 1).

polarity_mic_b

uint16_t sof_ipc_dai_dmic_pdm_ctrl::polarity_mic_b

Optionally invert mic B signal (0 or 1).

reserved

uint16_t sof_ipc_dai_dmic_pdm_ctrl::reserved[3]

Make sure the total size is 4 bytes aligned.

reserved0

uint32_t sof_ipc_dai_dmic_pdm_ctrl::reserved0

skew

uint16_t sof_ipc_dai_dmic_pdm_ctrl::skew

Adjust PDM data sampling vs.

clock (0..15)

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

• /home/lrg/work/sof-dox-work/src/include/ipc/dai-intel.h