struct snd_mixer_oss_slot { int number; unsignedint stereo: 1; int (*get_volume)(struct snd_mixer_oss_file *fmixer, struct snd_mixer_oss_slot *chn, int *left, int *right); int (*put_volume)(struct snd_mixer_oss_file *fmixer, struct snd_mixer_oss_slot *chn, int left, int right); int (*get_recsrc)(struct snd_mixer_oss_file *fmixer, struct snd_mixer_oss_slot *chn, int *active); int (*put_recsrc)(struct snd_mixer_oss_file *fmixer, struct snd_mixer_oss_slot *chn, int active); unsignedlong private_value; void *private_data; void (*private_free)(struct snd_mixer_oss_slot *slot); int volume[2];
};