QCA4019 firmware: wrong numChain setting for bmi-board 16+17

Sven Eckelmann sven.eckelmann at openmesh.com
Fri Mar 3 01:05:32 PST 2017

On Mittwoch, 8. Februar 2017 11:40:07 CET Sven Eckelmann wrote:
> Hi,
> I've just noticed that the numChain in (ath10k/)QCA4019/hw1.0/board-2.bin is
> wrong in the bus=ahb,bmi-chip-id=0,bmi-board-id=16 and
> bus=ahb,bmi-chip-id=0,bmi-board-id=17 from the linux-firmware and
> ath10k-firmware repository. It is 0x4 for a 2x2 device. This was fixed in
> the QSDK by commit 171b9607fb8cc694ed469a4e29c91af9d92f2971 [1]. It is not
> known to me whether this has an effect when the pre-cal data says that the
> device should use numChain 2.

I was informed that the numChain information is part of the pre-calibration
data. So it is most likely only relevant when you calibrate your board or
don't have pre-calibration data.

Kind regards,
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