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[Q] USB WiFi AR9271 ath9k almost working

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By ThePromisedLAN, Junior Member on 19th August 2014, 09:33 PM
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Hello everybody out there.

I am trying to add support for the AR9271 USB WiFi device in the CM11 release kernel on my i9507. I've managed to compile the kernel with ath9k and mac80211 (dependency) baked in instead of as modules. I believe this would skip the need to load and unload modules to get the card working. I booted successfully and plugged in my adapter with an OTG cable, but upon ifconfiging and whatnot, I could not find the adapter at all. I tried using Pcap Capture by Kismet, and that reported no connected USB NICs.

I'm losing sleep . What am I doing wrong? Does anybody have an idea? I can release my build of kernel with ath9k support if anyone wants it, although I guess anyone who answers this probably doesn't need it anyway ._.

Thanks guys.

Apparently Kismet Pcap only works with that one Realtek chipset in the Alfa, so that's out the window.
Anyway, I have installed the firmware file (htc_9271.fw) to /system/etc/firmware and the device shows up with lsusb with ID 13d3:3327, so it's being recognized, but the kernel still takes one look at it, laughs, and dies.
Here is the dmesg output:
<6>[14516.472685] usb 2-1: New USB device found, idVendor=13d3, idProduct=3327
<6>[14516.472716] usb 2-1: New USB device strings: Mfr=16, Product=32, SerialNumber=48
<6>[14516.472747] usb 2-1: Product: UB93
<6>[14516.472747] usb 2-1: Manufacturer: ATHEROS
<6>[14516.472777] usb 2-1: SerialNumber: 12345

It seems like the kernel just derps and doesn't load the ath9k_htc stuff it's supposed to. I do remember that when I compiled the kernel, I got errors compiling the ath9k modules. I found no patches for this problem, so I took the ath folder from the linux kernel backports (compat-wireless) and plopped it in the CM kernel drivers folder, replacing the old one. Worst way to merge code, I know. The kernel compiles fine, but according to dmesg, the drivers either aren't there, or aren't doing anything.
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