/* we need at least 3 deltas / 4 samples for a reliable chirp detection */
#define NUM_DIFFS 3
-static const int FFT_NUM_SAMPLES = (NUM_DIFFS + 1);
+#define FFT_NUM_SAMPLES (NUM_DIFFS + 1)
/* Threshold for difference of delta peaks */
static const int MAX_DIFF = 2;
ath_dbg(common, DFS, "HT40: datalen=%d, num_fft_packets=%d\n",
datalen, num_fft_packets);
- if (num_fft_packets < (FFT_NUM_SAMPLES)) {
+ if (num_fft_packets < FFT_NUM_SAMPLES) {
ath_dbg(common, DFS, "not enough packets for chirp\n");
return false;
}
return false;
ath_dbg(common, DFS, "HT20: datalen=%d, num_fft_packets=%d\n",
datalen, num_fft_packets);
- if (num_fft_packets < (FFT_NUM_SAMPLES)) {
+ if (num_fft_packets < FFT_NUM_SAMPLES) {
ath_dbg(common, DFS, "not enough packets for chirp\n");
return false;
}