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[PATCH 0/2] ath9k: spectral scan on HT40 channels

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This couple of patches add spectral scan capability on HT40 channels for
ath9k. In particular:
*[PATCH 1/2]: add nf parameter to ath9k_hw_getchan_noise() to compute noise
floor for ext chains
*[PATCH 2/2]: parse FFT samples on HT40 channels

Spectral scan has been tested using Simon Wunderlich's userspace program
(https://github.com/simonwunderlich/FFT_eval) on HT20 channels and using a Qt-Qwt
program (https://github.com/LorenzoBianconi/ath_spectral) on HT40 channels

Regards,
Lorenzo

Lorenzo Bianconi (2):
  ath9k: add noise floor parameter to ath9k_hw_getchan_noise
  ath9k: add HT40 spectral scan capability

 drivers/net/wireless/ath/ath9k/ath9k.h |  28 +++++++
 drivers/net/wireless/ath/ath9k/calib.c |  10 +--
 drivers/net/wireless/ath/ath9k/calib.h |   3 +-
 drivers/net/wireless/ath/ath9k/hw.c    |   2 +-
 drivers/net/wireless/ath/ath9k/link.c  |   3 +-
 drivers/net/wireless/ath/ath9k/recv.c  | 144 ++++++++++++++++++++++++---------
 6 files changed, 144 insertions(+), 46 deletions(-)

-- 
1.8.1.2

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