Re: UDEV rule for uploading firmware

[berthold@xn--hllmanns-n4a.de (Berthold Höllmann)]

"Kay Sievers" <kay.sievers@vrfy.org> writes:

> On 12/25/06, Berthold Höllmann <berthold@xn--hllmanns-n4a.de> wrote:
>> I try to fix a UDEV rule for uploading firmware for an USB audio
>> device. The tool madfuload has to get the device name in either the
>> DEVICE environment variable or via a command line switch. The original
>> rule as delivered with the program is:
>>
>> ACTION="add", SUBSYSTEM="usb", DEVPATH="/*.0", ENV{PRODUCT}="763/2806/*", RUN+="/usr/local/sbin/madfuload -l -3 -f /usr/local/share/usb/maudio/ma006100.bin"
>
> Try hooking into the "usb_device" event, not  "usb". The device node
> may not be around at the time you receive the "usb" event. You need to
> match on sysfs vendor/product values to indentify your device then.
> The device-node path is available in the event environment of the
> "usb_device" event so you can pass it to the called tool.

Thanks for your help. For the records, the working solution (at least
for me) is:

ACTION="add", SUBSYSTEM="usb_device", SYSFS{idVendor}="0763", SYSFS{idProduct}="2806", RUN+="/usr/local/sbin/madfuload -l -3 -f /usr/local/share/usb/maudio/ma006100.bin -D $env{DEVNAME}"

Kind regards
Berthold
-- 
berthold@xn--hllmanns-n4a.de / <http://höllmanns.de/>
bhoel@web.de                 / <http://starship.python.net/crew/bhoel/>

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