WL_CHANSPEC_CTL_SB_LOWER 1281 drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_cmn.c WL_CHANSPEC_CTL_SB_LOWER; WL_CHANSPEC_CTL_SB_LOWER 128 drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h (((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_LOWER)