IWX_NUM_2GHZ_CHANNELS
ch_idx < IWX_NUM_2GHZ_CHANNELS && ch_idx < nchan;
for (ch_idx = IWX_NUM_2GHZ_CHANNELS;
ch_idx < (IWX_NUM_2GHZ_CHANNELS + IWX_NUM_5GHZ_CHANNELS) && ch_idx < nchan;