snd_mixer_oss_build_input(mixer, &table[idx], 0, 0);
if (mixer->mask_recsrc) {
mixer->get_recsrc = snd_mixer_oss_get_recsrc2;
snd_mixer_oss_build_input(mixer, &table[idx], 0, 0);
if (mixer->mask_recsrc) {
mixer->get_recsrc = snd_mixer_oss_get_recsrc2;