I want to use usb wifi adapter in custom android board, so far I was able to build driver for chipset, and android is able to detect the dongle, and even creates
wlan0. But I don't how to load firmware as there is one
bin file. When I am trying to do
netcfg wlan0 up, then I am getting following error
Request firmware failed with error 0xfffffffe.
So I need help, that to know how android includes that firmware in build.
The path to wifi firmware in android devices is generally:
Some devices have
\system\etc\firware\wlan as the wifi firmware path. If you connect through adb and do
ls to one of these paths, you should be able to see firmware binary. For Qualcomm wifi, the binary has
wcnss string in it.
As for your actual question, the firmware loading is done by the wifi driver. So if you are enable wifi through
adb shell or through phone UI, it should load the wifi driver which should load the wifi firmware from the location mentioned above
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