CM_AFE_CM_CH_NUM_MASK
val = FIELD_PREP(CM_AFE_CM_CH_NUM_MASK, (channels - 1)) |
mask = CM_AFE_CM_CH_NUM_MASK |
#define CM_AFE_CM_CH_NUM(x) FIELD_PREP(CM_AFE_CM_CH_NUM_MASK, ((x) - 1))