Unable to enable WiFi on Duo S (with wifi)

Duo
1

My Duo S, which has wifi chip, does not show the wlan0 device in ifconfig.
I have setup the wpa_supplicant.conf file, but when I try to enable wifi I get the following response…
Any help would be greatly appreciated.
BTW, I’m running release image SD v1.1.1. Does this NOT have Wifi enabled in the build?
Is it ONLY for the 256M (there is NOTHING specific for the DUO S)?
If so, I guess I’ll have to try building my own image with WiFi enabled.

[root@milkv-duo]~# wpa_supplicant -B -i wlan0 -c /etc/wpa_supplicant.conf
Successfully initialized wpa_supplicant
Could not read interface wlan0 flags: No such device
nl80211: Driver does not support authentication/association or connect commands
nl80211: deinit ifname=wlan0 disabled_11b_rates=0
Could not read interface wlan0 flags: No such device
wlan0: Failed to initialize driver interface

2

Are you sure this was the correct image, like milkv-duos-sd-<something»? I’ve just tested the image the first version of Duo Buildroot+SDK creates (RISC-V main core, Duo S board, SD image), and it certainly recognizes the wireless interface on the board.
Please do not confuse the Duo S and Duo 256M images/boards, they are clearly not the same.

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