[PATCH v2] wifi: mt76: fix backoff fields and max_power calculation

[Sven Eckelmann]

On Monday, 9 February 2026 08:48:50 CET Ryder Lee wrote:
> - In connac2, beamforming entries for BW20~BW160 and OFDM do not
> include 1T1ss.
> - In connac3, beamforming entries for BW20~BW160 and RU include 1T1ss,
> but OFDM beamforming does not include 1T1ss.

This doesn't seem to match the documentation [1]:

                  paths-ofdm-bf:
                    $ref: /schemas/types.yaml#/definitions/uint8-array
                    minItems: 4
                    maxItems: 4
                    description:
                      4 half-dBm backoff values for beamforming
                      (1 - 4 antennas, single spacial stream)
...
                  paths-ru-bf:
                    $ref: /schemas/types.yaml#/definitions/uint8-matrix
                    description:
                      Sets of half-dBm backoff (beamforming) values for 802.11ax
                      rates for 1T1ss (aka 1 transmitting antenna with 1 spacial
                      stream), 2T1ss, 3T1ss, 4T1ss, 2T2ss, 3T2ss, 4T2ss, 3T3ss,
                      4T3ss and 4T4ss.
                      Each set starts with the number of channel bandwidth or
                      resource unit settings for which the rate set applies,
                      followed by 10 power limit values. The order of the
                      channel resource unit settings is RU26, RU52, RU106,
                      RU242/SU20, RU484/SU40, RU996/SU80 and RU2x996/SU160.
                    minItems: 1
                    maxItems: 7
                    items:
                      minItems: 11
                      maxItems: 11

Regards,
	Sven
	
[1] https://www.kernel.org/doc/Documentation/devicetree/bindings/net/wireless/mediatek%2Cmt76.yaml
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