unsigned int c_dma_size;
spinlock_t reg_lock;
- struct semaphore mce_mutex;
- struct semaphore open_mutex;
+ struct mutex mce_mutex;
+ struct mutex open_mutex;
int (*rate_constraint) (struct snd_pcm_runtime *runtime);
void (*set_playback_format) (struct snd_cs4231 *chip, struct snd_pcm_hw_params *hw_params, unsigned char pdfr);
void snd_cs4231_mce_up(struct snd_cs4231 *chip);
void snd_cs4231_mce_down(struct snd_cs4231 *chip);
-irqreturn_t snd_cs4231_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+irqreturn_t snd_cs4231_interrupt(int irq, void *dev_id);
const char *snd_cs4231_chip_id(struct snd_cs4231 *chip);