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[PATCH 3.6 4/4] ath9k_hw: enable PA linearization

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Felix Fietkau wrote:
> This feature had been disabled in ath9k because the code to support
> it was incomplete, but now the code is in sync with the internal QCA
> codebase, so it's time to enable it.
> 
> On many newer devices, the calibration is assumed to be done with PA
> linearization enabled.
> 
> Tests with a particular AR933x device showed that the signal emitted
> at full power was highly distorted and unreliable with PA linearization
> disabled. With this patch, the signal becomes clear and stability
> is improved.

PAPRD for AR9462 requires changes to the HW code, can you leave out
AR9462 until I come up with the necessary patches ?

Sujith
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