root@ubuntu-phablet:~# echo 1 > /dev/wcnss_wlan
-bash: echo: write error: Bad address
root@ubuntu-phablet:~# echo sta > /sys/module/wlan/parameters/fwpath
-bash: /sys/module/wlan/parameters/fwpath: No such file or directory
root@ubuntu-phablet:~# ll /sys/module/w
wcd9xxx_core/ wcnsscore/    workqueue/