hpd_sel_to_atom
cmd->hpd_sel_to_atom(cntl->hpd_sel);
params.ucHPDSel = cmd->hpd_sel_to_atom(cntl->hpd_sel);
ps.param.hpdsel = cmd->hpd_sel_to_atom(cntl->hpd_sel);
uint8_t (*hpd_sel_to_atom)(enum hpd_source_id id);
.hpd_sel_to_atom = hpd_sel_to_atom,
.hpd_sel_to_atom = hpd_sel_to_atom,
.hpd_sel_to_atom = hpd_sel_to_atom,
.hpd_sel_to_atom = hpd_sel_to_atom,