Date: Thu, 20 Jan 2011 08:40:22 +0000 (UTC) From: Adrian Chadd <adrian@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/sys/dev/ath/ath_hal/ar5416 ar5416_cal.c Message-ID: <201101200840.p0K8ecDI019729@repoman.freebsd.org>
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adrian 2011-01-20 08:40:22 UTC FreeBSD src repository Modified files: sys/dev/ath/ath_hal/ar5416 ar5416_cal.c Log: SVN rev 217629 on 2011-01-20 08:40:22Z by adrian Add a comment from my local HAL about what is actually going on here with these ADC DC Gain/Offset calibrations. The whole idea is to calibrate a pair of ADCs to compensate for any differences between them. The AR5416 returns lots of garbage, so there's no need to do the calibration there. The AR9160 returns 0 for secondary ADCs when calibrating 2.4ghz 20mhz modes. It returns valid data for the secondary ADCs when calibrating 2.4ghz HT/40 and any 5ghz mode. Revision Changes Path 1.15 +17 -0 src/sys/dev/ath/ath_hal/ar5416/ar5416_cal.c
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