Re: Question on uvcvideo driver's power management

2010-07-02 Thread Laurent Pinchart
Hi Samuel, On Tuesday 29 June 2010 12:12:13 Samuel Xu wrote: Question on uvcvideo driver's power management: Q1: We found some USB material mentioned : Relationship between ACPI Dx states and USB PM states (active/suspended) is orthogonal. Suspend/resume might not effect device Dx state(e.g

Question on uvcvideo driver's power management

2010-06-29 Thread Samuel Xu
Question on uvcvideo driver's power management: Q1: We found some USB material mentioned : Relationship between ACPI Dx states and USB PM states (active/suspended) is orthogonal. Suspend/resume might not effect device Dx state(e.g. D0/D1/D3). Is it a correct statement for general usb device