snd_ctl_card_info 547 sound/core/control.c struct snd_ctl_card_info *info; snd_ctl_card_info 561 sound/core/control.c if (copy_to_user(arg, info, sizeof(struct snd_ctl_card_info))) { snd_ctl_card_info 1173 sound/core/control.c return snd_ctl_card_info(card, ctl, cmd, argp);