From: Sujith Manoharan <sujith@msujith.org>
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Date: Wed, 3 Sep 2014 19:40:42 +0530
To: Michal Kazior <michal.kazior@tieto.com>
Cc: Robb <rbarr138@gmail.com>,
	linux-wireless <linux-wireless@vger.kernel.org>
Subject: Re: Cannot get ACS to work with hostapd-2.2 "Unknown event 49"
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Michal Kazior wrote:
> On 3 September 2014 15:10, Robb <rbarr138@gmail.com> wrote:
> You are making an assumption ath9k == ath9k_htc. This is not correct.
> 
> I would actually suspect the ath9k_htc *chips* actually are capable of
> providing the necessary information to create survey dump but the
> firmware/driver do not support it. Can anyone more familiar with
> ath9k_htc correct me if I'm wrong?

You are correct, the HW MAC for the chips supported by ath9k_htc is mostly the
same as the ones supported by ath9k. But, driver support for survey dump
is lacking.

> If the 9271 doesn't support it then I guess it can only be the
> AR7010+AR9280 or AR7010+AR9287 right? Any way to know which works?

ath9k_htc doesn't provide survey dump data for any USB card.

Sujith