From: Gabor Juhos <juhosg@openwrt.org>
To: Felix Fietkau <nbd@openwrt.org>
Cc: "John W. Linville" <linville@tuxdriver.com>,
linux-wireless@vger.kernel.org,
"ath9k-devel@lists.ath9k.org" <ath9k-devel@venema.h4ckr.net>
Subject: Re: [RFC] ath9k: fix TX power reporting on AR9003 chips
Date: Wed, 18 Apr 2012 22:19:03 +0200 [thread overview]
Message-ID: <4F8F21B7.70809@openwrt.org> (raw)
In-Reply-To: <4F8F1B5F.7050603@openwrt.org>
2012.04.18. 21:51 keltezéssel, Felix Fietkau írta:
> On 2012-04-18 11:16 AM, Gabor Juhos wrote:
>> The current code unconditionally reads the target
>> power values for all modes from the EEPROM. However
>> In 'ar9003_hw_set_power_per_rate_table' the regulatory
>> caps are applied only on a mode specific subset of the
>> power values.
>>
>> The reported TX power level is calculated from the
>> maximum of the power values. Because some of these
>> values are uncapped in certain cases, the reported
>> TX power will be wrong.
>>
>> On the older chipset, we don't have such problems
>> because only the mode specific subset of the power
>> levels are retrieved from the EEPROM on those. Do
>> the same for the AR9003 chips to fix the issue.
>>
>> Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
> Acked-by: Felix Fietkau <nbd@openwrt.org>
Thanks!
-Gabor
prev parent reply other threads:[~2012-04-18 20:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-18 9:16 [RFC] ath9k: fix TX power reporting on AR9003 chips Gabor Juhos
2012-04-18 19:51 ` Felix Fietkau
2012-04-18 20:19 ` Gabor Juhos [this message]
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