Messages in this thread |  | | | Date | Wed, 2 Nov 2005 02:47:55 +0000 | | From | Ben Dooks <> | | Subject | Re: best way to handle LEDs |
| |
On Wed, Nov 02, 2005 at 12:44:59AM +0100, Pavel Machek wrote: > Hi! > > Handheld machines have limited number of software-controlled status > LEDs. Collie, for example has two of them; one is labeled "charge" and > second is labeled "mail". > > At least the "mail" led should be handled from userspace, and it would > be nice if (at least) different speeds of blinking could be used -- > original Sharp ROM uses at least: > > yellow off: not charging > yellow on: charging > yellow fast blink: charge error > > I think even slow blinking was used somewhere. I have some code from > John Lenz (attached); it uses sysfs interface, exports led collor, and > allows setting different frequencies. > > Is that acceptable, or should some other interface be used?
there is already an LED interface for linux-arm, which is used by a number of the extant machines in the sa11x0 and pxa range.
-- Ben (ben@fluff.org, http://www.fluff.org/)
'a smiley only costs 4 bytes' - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |