On Wed, 20 Apr 2005, Ian Campbell wrote:
> On Wed, 2005-04-20 at 13:32 +0300, Olav Kongas wrote: > > On our platform here, the H_WAKEUP has always been pulled > > low and I haven't seen a problem with CLKRDY. The driver > > does not support wakeups through H_WAKEUP (the > > RemoteWakeupConnected bit = 0 in HcControl), because it is > > not needed as the wakeup via sysfs works. > > There is an ultra-low power sleep mode described in Philips' application > note AN10022_1 that I think requires the use of H_WAKEUP. > > FYI, on my platform with USB operational the current draw @ 5V is 326mA, > in normal isp1160 suspend this drops to 302mA (saving 23mA) and in this > deep sleep mode it drops to 288mA (total saving 37mA, 14mA more than > regular sleep). Ah, I see. I once implemented the procedure described in AN10022_1 to test this ultra-low power mode, but I failed to get it working. Probably the reason was the disabled H_WAKEUP. The application note is quiet on that aspect. Unfortunately, I have no hardware platform to implement and test supporting this mode. Olav ------------------------------------------------------- This SF.Net email is sponsored by: New Crystal Reports XI. Version 11 adds new functionality designed to reduce time involved in creating, integrating, and deploying reporting solutions. Free runtime info, new features, or free trial, at: http://www.businessobjects.com/devxi/728 _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
