r0 = openat$sndseq(0xffffffffffffff9c, &(0x7f0000000280), 0x0) openat$sndseq(0xffffffffffffff9c, &(0x7f0000000280), 0x0) ioctl$SNDRV_SEQ_IOCTL_QUERY_SUBS(r0, 0xc058534f, &(0x7f0000000000)={{0x0, 0x6}})