Am Montag, 26. April 2010 14:53:55 schrieb Gadiyar, Anand: > Hi all, > > Did we lose the ability to manually suspend a USB device > from v2.6.32 and later kernels? I am not sure the exact release is 2.6.32, but yes, that feature has been lost. > I see the /sys/bus/usb/devices/.../power/level, but it looks > like "auto" and "on" are the only supported values. The generic device model supports only "on" and "auto". > Is there a way to get back the old behavior? No. > (I run test cases that suspend/resume connected devices > for a few thousand times (due to past bugs in our hardware), > and I cannot figure out a way to do this now). Enable autosuspend, set the timeout to 0. Then run "lsusb" in a loop with a minimal delay. HTH Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
