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Searched refs:fft (Results 1 – 3 of 3) sorted by relevance

/linux-6.15/drivers/net/wireless/ath/ath9k/
H A Ddfs.c83 is_ctl = fft_bitmap_weight(fft->lower_bins) != 0; in ath9k_get_max_index_ht40()
84 is_ext = fft_bitmap_weight(fft->upper_bins) != 0; in ath9k_get_max_index_ht40()
88 int mag_lower = fft_max_magnitude(fft->lower_bins); in ath9k_get_max_index_ht40()
89 int mag_upper = fft_max_magnitude(fft->upper_bins); in ath9k_get_max_index_ht40()
97 return fft_max_index(fft->lower_bins); in ath9k_get_max_index_ht40()
111 int num_fft_packets = datalen / sizeof(*fft); in ath9k_check_chirping()
122 if ((datalen % sizeof(*fft)) == 2) { in ath9k_check_chirping()
123 fft = (struct ath9k_dfs_fft_40 *) (data + 2); in ath9k_check_chirping()
130 max_bin[i] = ath9k_get_max_index_ht40(fft + i, is_ctl, in ath9k_check_chirping()
134 int num_fft_packets = datalen / sizeof(*fft); in ath9k_check_chirping()
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/linux-6.15/drivers/net/wireless/realtek/rtw89/
H A Drtw8852a_rfk.c555 u32 fft[6] = {0x0}; in _iqk_read_fft_dbcc0() local
559 fft[0] = rtw89_phy_read32_mask(rtwdev, R_RPT_COM, MASKDWORD); in _iqk_read_fft_dbcc0()
561 fft[1] = rtw89_phy_read32_mask(rtwdev, R_RPT_COM, MASKDWORD); in _iqk_read_fft_dbcc0()
563 fft[2] = rtw89_phy_read32_mask(rtwdev, R_RPT_COM, MASKDWORD); in _iqk_read_fft_dbcc0()
565 fft[3] = rtw89_phy_read32_mask(rtwdev, R_RPT_COM, MASKDWORD); in _iqk_read_fft_dbcc0()
567 fft[4] = rtw89_phy_read32_mask(rtwdev, R_RPT_COM, MASKDWORD); in _iqk_read_fft_dbcc0()
569 fft[5] = rtw89_phy_read32_mask(rtwdev, R_RPT_COM, MASKDWORD); in _iqk_read_fft_dbcc0()
572 path, i, fft[i]); in _iqk_read_fft_dbcc0()
/linux-6.15/Documentation/userspace-api/media/dvb/
H A Dfe_property_parameters.rst569 Note: The real time interleaving length depends on the mode (fft-size).