snd_ctl_tlv_ioctl 1195 sound/core/control.c return snd_ctl_tlv_ioctl(ctl, argp, 0); snd_ctl_tlv_ioctl 1197 sound/core/control.c return snd_ctl_tlv_ioctl(ctl, argp, 1); snd_ctl_tlv_ioctl 1199 sound/core/control.c return snd_ctl_tlv_ioctl(ctl, argp, -1);