PCMMKMINOR
#define PCMMKMINOR(u, d, c) ((((c) & 0xff) << 16) | (((u) & 0x0f) << 4) | ((d) & 0x0f))
#define PCMMKMINOR(u, d, c) \
#define PCMMKMINOR(u, d, sub) (snd_u2unit(u) | snd_c2unit(sub) | snd_d2unit(d))