cs_channel
cs->cs_channel = channel;
if (cs->cs_channel != 0)
int ch = cs->cs_channel;
cs->cs_channel = channel;
int cs_channel; /* sub-unit number */
struct cs_channel *chan = &sc->sc_playback;
struct cs_channel *chan = &sc->sc_capture;
struct cs_channel *chan = &sc->sc_playback;
struct cs_channel *chan = &sc->sc_capture;
struct cs_channel sc_playback, sc_capture;
cs->cs_channel = channel;
cs->cs_channel = channel;