params_access
snd->access = params_access(params);
plugin->access = params_access(params);
params_access(params), params_format(params),
params_access(sparams), params_format(sparams),
params_access(slave_params) == SNDRV_PCM_ACCESS_RW_INTERLEAVED);
runtime->access = params_access(params);
params_buffer_size(p), params_access(p),
nb_chans_used = qmc_audio_access_is_interleaved(params_access(params)) ?
prtd->channels = qmc_audio_access_is_interleaved(params_access(params)) ?