From: "Valo, Kalle" <kvalo@qca.qualcomm.com>
To: qca_merez <qca_merez@qca.qualcomm.com>
Cc: qca_liord <qca_liord@qca.qualcomm.com>,
"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
wil6210 <wil6210@qca.qualcomm.com>
Subject: Re: [PATCH v2 01/13] wil6210: add sysfs file for FTM calibration
Date: Thu, 19 Jan 2017 12:24:19 +0000 [thread overview]
Message-ID: <871svzp79p.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <1484226365-10433-2-git-send-email-qca_merez@qca.qualcomm.com> (Maya Erez's message of "Thu, 12 Jan 2017 15:05:53 +0200")
Maya Erez <qca_merez@qca.qualcomm.com> writes:
> From: Lior David <qca_liord@qca.qualcomm.com>
>
> In fine timing measurements, the calculation is affected by
> 2 parts: timing of packets over the air, which is platform
> independent, and platform-specific delays, which are dependent
> on things like antenna cable length and type.
> Add a sysfs file which allows to get/set these platform specific
> delays, separated into the TX and RX components.
> There are 2 key scenarios where the file can be used:
> 1. Calibration - start with some initial values (for example,
> the default values at startup), make measurements at a known
> distance, then iteratively change the values until the
> measurement results match the known distance.
> 2. Adjust the delays when platform starts up, based on known
> values.
>
> Signed-off-by: Lior David <qca_liord@qca.qualcomm.com>
> Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Can't this go via nl80211? sysfs is not really supposed to be used for
something like this.
--=20
Kalle Valo=
next prev parent reply other threads:[~2017-01-19 12:28 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-12 13:05 [PATCH v2 00/13] wil6210 patches Maya Erez
2017-01-12 13:05 ` [PATCH v2 01/13] wil6210: add sysfs file for FTM calibration Maya Erez
2017-01-19 12:24 ` Valo, Kalle [this message]
2017-01-19 12:36 ` Lior David
2017-01-19 13:14 ` Arend Van Spriel
2017-01-23 14:55 ` Lior David
2017-01-28 6:32 ` Valo, Kalle
2017-01-12 13:05 ` [PATCH v2 02/13] wil6210: add disable_ap_sme module parameter Maya Erez
2017-01-27 17:50 ` [v2,02/13] " Kalle Valo
2017-01-12 13:05 ` [PATCH v2 03/13] wil6210: support loading dedicated image for sparrow-plus devices Maya Erez
2017-01-12 13:05 ` [PATCH v2 04/13] wil6210: remove __func__ from debug printouts Maya Erez
2017-01-12 13:05 ` [PATCH v2 05/13] wil6210: support new WMI-only FW capability Maya Erez
2017-01-12 13:05 ` [PATCH v2 06/13] wil6210: missing reinit_completion in wmi_call Maya Erez
2017-01-12 13:05 ` [PATCH v2 07/13] wil6210: protect against false interrupt during reset sequence Maya Erez
2017-01-12 13:06 ` [PATCH v2 08/13] wil6210: fix for broadcast workaround in PBSS Maya Erez
2017-01-12 13:06 ` [PATCH v2 09/13] wil6210: align to latest auto generated wmi.h Maya Erez
2017-01-12 13:06 ` [PATCH v2 10/13] wil6210: report association ID (AID) per station in debugfs Maya Erez
2017-01-12 13:06 ` [PATCH v2 11/13] wil6210: option to override A-BFT length in start AP/PCP Maya Erez
2017-01-12 13:06 ` [PATCH v2 12/13] wil6210: set dma mask to reflect device capability Maya Erez
2017-01-12 20:27 ` merez
2017-01-13 8:20 ` [v2,12/13] " Kalle Valo
2017-01-12 13:06 ` [PATCH v2 13/13] wil6210: convert symbolic permissions to octal permissions Maya Erez
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