scarlett2_set_ctl_access
scarlett2_set_ctl_access(private->input_select_ctl, val);
scarlett2_set_ctl_access(private->input_link_ctls[i],
scarlett2_set_ctl_access(private->input_gain_ctls[i], val);
scarlett2_set_ctl_access(private->safe_ctls[i], val);
scarlett2_set_ctl_access(private->level_ctls[i], val);
scarlett2_set_ctl_access(private->air_ctls[i], val);
scarlett2_set_ctl_access(private->input_mute_ctls[i], val);
scarlett2_set_ctl_access(private->phantom_ctls[i], val);
scarlett2_set_ctl_access(private->dsp_ctls[i], val);
scarlett2_set_ctl_access(
scarlett2_set_ctl_access(private->autogain_ctls[i], val);