On Wed, May 06, 2015 at 04:41:04AM +0000, matson wrote: > > USB device configuration descriptor expresses bus power electrical > current requirement in field bMaxPower. bMaxPower measure granularity > was 2 mA. Since USB version 3.0, bMaxPower granularity is not always > 2 mA. > > usbutils 008 lsusb misreports MaxPower for SuperSpeed devices. For > example, lsusb -v outputs 'MaxPower 500mA' when a device is connected on > High Speed bus, but 'MaxPower 224mA' when connected on SuperSpeed bus. > usbfs devices holds correct 'MxPwr=896mA'. > > I think, responsible code is lsusb.c line 418. Patches are always gladly accepted. thanks, greg k-h -- 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
