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Bug#797779: brcmfmac4330-sdio.txt from OpenElec fixes the issue



Hi

On 2015-09-02, Rainer Dorsch wrote:
> Hi,
> 
> I copied brcmfmac4330-sdio.txt from OpenElec
> 
> https://github.com/OpenELEC/wlan-firmware/blob/master/firmware/brcm/brcmfmac4330-sdio.txt
> 
> to /lib/firmware/brcm
> 
> which fixes the issue
[...]

brcmfmac4330-sdio.txt is OEM, respectively even device specific[1], 
nothing that would be generic enough (for all bcm4330 devices) to be 
shipped by Debian's firmware packages. 

On x86 systems this blob is typically provided in a UEFI variable (but not
found automatically by the kernel, so you need to copy it from the UEFI 
variable to /lib/firmware). On embedded devices it needs to be provided by 
the manufacturer (not Broadcom, but the OEM vendor) of your wlan card 
(respectively the devboard).

Regards
	Stefan Lippers-Hollmann

[1]	These blobs contain calibration data, regulatory domain settings
	and similar information, which is highly specific to your exact 
	device. Using data from a different device would make it run out
	of its specifications (getting you in trouble with FCC, ETSI, 
	etc.) and could even physically damage your device.

Attachment: pgp_rFvjNmJ1o.pgp
Description: Digitale Signatur von OpenPGP


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