Mixer element information structure
typedef struct snd_mixer_element_info { snd_mixer_eid_t eid; union { snd_mixer_element_io_info io; snd_mixer_element_pcm1_info pcm1; snd_mixer_element_pcm2_info pcm2; snd_mixer_element_converter_info converter; snd_mixer_element_switch3_info switch3; snd_mixer_element_volume1_info volume1; snd_mixer_element_volume2_info volume2; snd_mixer_element_balance1_info balance1; snd_mixer_element_accu1_info accu1; snd_mixer_element_accu2_info accu2; snd_mixer_element_accu3_info accu3; snd_mixer_element_mux1_info mux1; snd_mixer_element_mux2_info mux2; snd_mixer_element_tone_control1_info tc1; snd_mixer_element_3d_effect1_info teffect1; snd_mixer_element_pan_control1_info pc1; snd_mixer_element_pre_effect1_info peffect1; } data; uint8_t reserved[128]; /* must be filled with zero */ } snd_mixer_element_info_t;
The snd_mixer_element_info_t structure contains information associated with a mixer element.
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