audio_format2_is_internal
KASSERT(audio_format2_is_internal(arg->dstfmt));
KASSERT(audio_format2_is_internal(arg->srcfmt));
if (audio_format2_is_internal(src)) {
} else if (audio_format2_is_internal(dst)) {
KASSERT(audio_format2_is_internal(&ring->fmt));
KASSERT(audio_format2_is_internal(arg->dstfmt));
KASSERT(audio_format2_is_internal(arg->srcfmt));
KASSERT(audio_format2_is_internal(arg->dstfmt));
KASSERT(audio_format2_is_internal(arg->srcfmt));
KASSERT(audio_format2_is_internal(arg->dstfmt));
KASSERT(audio_format2_is_internal(arg->srcfmt));
KASSERT(audio_format2_is_internal(arg->dstfmt));
KASSERT(audio_format2_is_internal(arg->srcfmt));
KASSERT(audio_format2_is_internal(arg->dstfmt));
KASSERT(audio_format2_is_internal(arg->srcfmt));