On Thu, Sep 19, 2013 at 12:35 PM, Marc MERLIN <marc@xxxxxxxxxxx> wrote: > > gandalfthegreat:/sys/bus/usb/devices/3-1.6/power# grep . * > active_duration:61227648 > async:enabled > autosuspend:2 > autosuspend_delay_ms:2000 > connected_duration:66830880 > control:auto > level:auto > persist:1 > runtime_active_kids:0 > runtime_active_time:18870052 > runtime_enabled:enabled > runtime_status:active > runtime_suspended_time:5324088 > runtime_usage:0 The uvc device should have been put in auto-suspend state if no application is using the device. You can check if there is application which is using the device by 'lsof | grep "/dev/video"'. Also looks power usage estimation of 'power top' should be used when battery provides power, and the data isn't correct if power is provided from power adapter, if I remember correctly. Thanks, -- Ming Lei -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
