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authorMohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>2017-04-10 21:08:17 +0530
committerKalle Valo <kvalo@qca.qualcomm.com>2017-04-19 17:05:26 +0300
commita4aab099cc9e7c4c94b8a0973b2a483c69b541e3 (patch)
tree5647f6d4b487ef70fa6f3108d013e6d92914837b /drivers/net/wireless/ath/ath10k/pci.c
parent627871b71c89a6ec12fbed75063f238e0c7127b2 (diff)
downloadlinux-a4aab099cc9e7c4c94b8a0973b2a483c69b541e3.tar.gz
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ath10k: fix spectral scan for QCA99X0 family of chipsets
spectral_bin length (number of bins per fft sample) is usually a value where (2^n = value), n is an integer. All of the QCA99X0 family of chipsets seems to report a spectral_bin length of 2^n + 'm' bytes, where m = 4, 12 based on the chipset. This 'm' bytes seems to carry some radar related info which is currently discarded only for 'bin_len = 68' bytes. Extend this discarding of irrelevant 'bin_len' for QCA9984, QCA9888, IPQ4019 as well by introducing a hardware parameter 'spectral_bin_discard'. Also for QCA988X based family of chipsets which doesn't seem to have this issue and also for some of the hardware which I have not tested like QCA6174/QCA9377 the existing behaviour is retained as it is. Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/pci.c')
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