MAX_CHANNEL_NUM    31 drivers/staging/rtl8188eu/include/rtw_rf.h #define	MAX_CHANNEL_NUM			14	/* 2.4 GHz only */
MAX_CHANNEL_NUM    33 drivers/staging/rtl8723bs/include/rtw_rf.h #define	MAX_CHANNEL_NUM		38/* 14+24 */
MAX_CHANNEL_NUM    81 sound/soc/dwc/local.h #define MAX_CHANNEL_NUM		8