int snd_sb16dsp_configure(sb_t *chip);
/* sb16.c */
irqreturn_t snd_sb16dsp_interrupt(int irq, void *dev_id, struct pt_regs *regs);
-int snd_sb16_playback_open(snd_pcm_substream_t *substream);
-int snd_sb16_capture_open(snd_pcm_substream_t *substream);
-int snd_sb16_playback_close(snd_pcm_substream_t *substream);
-int snd_sb16_capture_close(snd_pcm_substream_t *substream);
/* exported mixer stuffs */
enum {