previdx           663 dev/ic/ac97.c  		int idx2, previdx;
previdx           683 dev/ic/ac97.c  		previdx = idx;
previdx           694 dev/ic/ac97.c  				as->source_info[previdx].next = idx2;
previdx           695 dev/ic/ac97.c  				as->source_info[idx2].prev = previdx;
previdx           697 dev/ic/ac97.c  				previdx = idx2;
previdx           701 dev/ic/ac97.c  		as->source_info[previdx].next = AUDIO_MIXER_LAST;