[Sound-open-firmware] How do you provide the firmware binary, e.g sof-byt.ri file?

[Pierre-Louis Bossart]

> I am having this problem where SOF is compiled as built in the
> kernel and the firmware binary is on the rootfs.
>
> When request_firmware is called in sof_probe the rootfs
> is not yet mounted so the call to request_firmware fails.
>
> Just curious, how do you provide the firmware binary?

it's a known issue that we haven't fixed since we use modules both for 
development and production. Other drivers have the same problem IIRC.