snd_ctl_tlv_ioctl 1550 sound/core/control.c 		err = snd_ctl_tlv_ioctl(ctl, argp, SNDRV_CTL_TLV_OP_READ);
snd_ctl_tlv_ioctl 1555 sound/core/control.c 		err = snd_ctl_tlv_ioctl(ctl, argp, SNDRV_CTL_TLV_OP_WRITE);
snd_ctl_tlv_ioctl 1560 sound/core/control.c 		err = snd_ctl_tlv_ioctl(ctl, argp, SNDRV_CTL_TLV_OP_CMD);