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Fresh install of 15.04 on a Macbook Pro 12,1.

>Network controller [0280]: Broadcom Corporation BCM43602 802.11ac
Wireless LAN SoC [14e4:43ba] (rev 01)

I copied brcmfmac43602-pcie.bin
(https://git.kernel.org/cgit/linux/kernel/git/firmware/linux-
firmware.git/plain/brcm/) into /lib/firmware/brcm which enabled the
wireless to pick up some SSIDs, but not all (almost positive the only
ones seen are 2.4GHz).

---

I was referred to this document:
https://help.ubuntu.com/community/WifiDocs/Driver/bcm43xx

Then I ran:

$ lspci -vvnn | grep -A 9 Network
03:00.0 Network controller [0280]: Broadcom Corporation BCM43602 802.11ac Wireless LAN SoC [14e4:43ba] (rev 01)
 Subsystem: Apple Inc. Device [106b:0133]
 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
 Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
 Latency: 0, Cache Line Size: 256 bytes
 Interrupt: pin A routed to IRQ 62
 Region 0: Memory at c1400000 (64-bit, non-prefetchable) [size=32K]
 Region 2: Memory at c1000000 (64-bit, non-prefetchable) [size=4M]
 Capabilities: <access denied>
 Kernel driver in use: brcmfmac

I find the PCI device ID here:
https://wireless.wiki.kernel.org/en/users/Drivers/brcm80211#brcmfmac
(Chipset BCM43602, ID: 14e4:43ba)

I dropped the relevant firmware files from the repo given a bit further
down that page (repo:
https://git.kernel.org/cgit/linux/kernel/git/firmware/linux-
firmware.git/tree/brcm) into /lib/firmware/brcm/

...still no 5 GHz.

** Affects: network-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: bot-comment vivid
-- 
Ubuntu 15.04 - Macbook Pro Early 2015 (12,1) no 5 GHz wireless
https://bugs.launchpad.net/bugs/1448567
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