On 4/18/06, Greg KH <greg@xxxxxxxxx> wrote: > On Tue, Apr 18, 2006 at 10:26:05AM +0530, Mandeep Sandhu wrote: > > Hi all, > > > > How does one control the behavior of the LED's present on the various usb > > flash drives. Is it controlled solely by software or is it like that > > the usb host controller > > controls the LED's operation. eg: when I write to my flash drive the > > the LED blinks. > > Is this done via some usb driver or does the usb host controller does > > that for us > > when we issue a write command to the drive? Is usbled.c under drivers/usb/misc > > responsible for controlling this operation? Any pointers are welcome. > > No, there is no way to control it, it's up to the device itself. Well, Greg, the reason I was asking was because I wanted to know if the LED of my drive could be switched off when I umount it. In windows I noticed that the LED is switched off when the drive is ready to be unplugged. Is it that they might be removing power to the drive? Could we acheive a similar result? > > sorry, > > greg k-h > -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
