diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/common-spectral.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/common-spectral.c | 45 |
1 files changed, 6 insertions, 39 deletions
diff --git a/drivers/net/wireless/ath/ath9k/common-spectral.c b/drivers/net/wireless/ath/ath9k/common-spectral.c index f6dd0ecfbbf3..d10e3f29c356 100644 --- a/drivers/net/wireless/ath/ath9k/common-spectral.c +++ b/drivers/net/wireless/ath/ath9k/common-spectral.c @@ -59,8 +59,7 @@ ath_cmn_max_idx_verify_ht20_fft(u8 *sample_end, int bytes_read) sample = sample_end - SPECTRAL_HT20_SAMPLE_LEN + 1; - max_index = spectral_max_index(mag_info->all_bins, - SPECTRAL_HT20_NUM_BINS); + max_index = spectral_max_index_ht20(mag_info->all_bins); max_magnitude = spectral_max_magnitude(mag_info->all_bins); max_exp = mag_info->max_exp & 0xf; @@ -100,12 +99,10 @@ ath_cmn_max_idx_verify_ht20_40_fft(u8 *sample_end, int bytes_read) sample = sample_end - SPECTRAL_HT20_40_SAMPLE_LEN + 1; lower_mag = spectral_max_magnitude(mag_info->lower_bins); - lower_max_index = spectral_max_index(mag_info->lower_bins, - SPECTRAL_HT20_40_NUM_BINS); + lower_max_index = spectral_max_index_ht40(mag_info->lower_bins); upper_mag = spectral_max_magnitude(mag_info->upper_bins); - upper_max_index = spectral_max_index(mag_info->upper_bins, - SPECTRAL_HT20_40_NUM_BINS); + upper_max_index = spectral_max_index_ht40(mag_info->upper_bins); max_exp = mag_info->max_exp & 0xf; @@ -117,17 +114,6 @@ ath_cmn_max_idx_verify_ht20_40_fft(u8 *sample_end, int bytes_read) ((upper_max_index < 1) || (lower_max_index < 1))) return -1; - /* Some time hardware messes up the index and adds - * the index of the middle point (dc_pos). Try to fix it. - */ - if ((upper_max_index - dc_pos > 0) && - (sample[upper_max_index] == (upper_mag >> max_exp))) - upper_max_index -= dc_pos; - - if ((lower_max_index - dc_pos > 0) && - (sample[lower_max_index - dc_pos] == (lower_mag >> max_exp))) - lower_max_index -= dc_pos; - if ((sample[upper_max_index + dc_pos] != (upper_mag >> max_exp)) || (sample[lower_max_index] != (lower_mag >> max_exp))) return -1; @@ -169,8 +155,7 @@ ath_cmn_process_ht20_fft(struct ath_rx_status *rs, magnitude = spectral_max_magnitude(mag_info->all_bins); fft_sample_20.max_magnitude = __cpu_to_be16(magnitude); - max_index = spectral_max_index(mag_info->all_bins, - SPECTRAL_HT20_NUM_BINS); + max_index = spectral_max_index_ht20(mag_info->all_bins); fft_sample_20.max_index = max_index; bitmap_w = spectral_bitmap_weight(mag_info->all_bins); @@ -302,12 +287,10 @@ ath_cmn_process_ht20_40_fft(struct ath_rx_status *rs, upper_mag = spectral_max_magnitude(mag_info->upper_bins); fft_sample_40.upper_max_magnitude = __cpu_to_be16(upper_mag); - lower_max_index = spectral_max_index(mag_info->lower_bins, - SPECTRAL_HT20_40_NUM_BINS); + lower_max_index = spectral_max_index_ht40(mag_info->lower_bins); fft_sample_40.lower_max_index = lower_max_index; - upper_max_index = spectral_max_index(mag_info->upper_bins, - SPECTRAL_HT20_40_NUM_BINS); + upper_max_index = spectral_max_index_ht40(mag_info->upper_bins); fft_sample_40.upper_max_index = upper_max_index; lower_bitmap_w = spectral_bitmap_weight(mag_info->lower_bins); @@ -331,22 +314,6 @@ ath_cmn_process_ht20_40_fft(struct ath_rx_status *rs, upper_mag >> max_exp, upper_max_index); - /* Some time hardware messes up the index and adds - * the index of the middle point (dc_pos). Try to fix it. - */ - if ((upper_max_index - dc_pos > 0) && - (fft_sample_40.data[upper_max_index] == (upper_mag >> max_exp))) { - upper_max_index -= dc_pos; - fft_sample_40.upper_max_index = upper_max_index; - } - - if ((lower_max_index - dc_pos > 0) && - (fft_sample_40.data[lower_max_index - dc_pos] == - (lower_mag >> max_exp))) { - lower_max_index -= dc_pos; - fft_sample_40.lower_max_index = lower_max_index; - } - /* Check if we got the expected magnitude values at * the expected bins */ |