Re: Building BarGraph with LED subsystem

simon> Also I have a question about the default permissions on the LED
simon> controls; Is it possible to register LEDs so that users have
simon> write permission? At present the controls are only accessible
simon> as root.

udev is the answer here.  You probably want to make it so that the
LEDs are open to the user logged into the system console or currently
active Xsession.

John

So what would be the best way to achieve this (once the code gets into
kernel)? I mean so that 'Jane Doe' get the LEDs working when she plugs in
her wheel...

At present the patch uses the devices ID's to register the LED's. ie.
--
Mar 14 14:57:35 ubuntu kernel: [ 6462.204185] Registered led device:
0003:046D:C294.0009::RPM1
Mar 14 14:57:35 ubuntu kernel: [ 6462.204251] Registered led device:
0003:046D:C294.0009::RPM2
Mar 14 14:57:35 ubuntu kernel: [ 6462.204301] Registered led device:
0003:046D:C294.0009::RPM3
Mar 14 14:57:35 ubuntu kernel: [ 6462.204354] Registered led device:
0003:046D:C294.0009::RPM4
Mar 14 14:57:35 ubuntu kernel: [ 6462.204402] Registered led device:
0003:046D:C294.0009::RPM5
--

Simon.