void *private_data;
int (*info)(void *private_data, simple_instrument_info_t *info);
int (*put_sample)(void *private_data, simple_instrument_t *instr,
- char *data, long len, int atomic);
+ char __user *data, long len, int atomic);
int (*get_sample)(void *private_data, simple_instrument_t *instr,
- char *data, long len, int atomic);
+ char __user *data, long len, int atomic);
int (*remove_sample)(void *private_data, simple_instrument_t *instr,
int atomic);
void (*notify)(void *private_data, snd_seq_kinstr_t *instr, int what);