John Keeping <john@xxxxxxxxxxxx> wrote:
> Using the BCM4339 firmware from linux-firmware (version "BCM4339/2 wl0:
> Sep 5 2019 11:05:52 version 6.37.39.113 (r722271 CY)" from
> cypress/cyfmac4339-sdio.bin) the RSSI respose is only 4 bytes, which
> results in an error being logged.
>
> It seems that older devices send only the RSSI field and neither SNR nor
> noise is included. Handle this by accepting a 4 byte message and
> reading only the RSSI from it.
>
> Fixes: 7dd56ea45a66 ("brcmfmac: add support for CQM RSSI notifications")
> Signed-off-by: John Keeping <john@xxxxxxxxxxxx>
Patch applied to wireless-next.git, thanks.
ec52d77d0775 wifi: brcmfmac: support CQM RSSI notification with older firmware
--
https://patchwork.kernel.org/project/linux-wireless/patch/20230124104248.2917465-1-john@xxxxxxxxxxxx/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
