On Tuesday, 25 of November 2008, Zhao Yakui wrote: > On Mon, 2008-11-24 at 21:30 +0800, Rafael J. Wysocki wrote: > > On Monday, 24 of November 2008, Zhang Rui wrote: > > > On Mon, 2008-11-24 at 09:21 +0800, Rafael J. Wysocki wrote: > > > > On Monday, 24 of November 2008, Zhao Yakui wrote: > > > > > On Mon, 2008-11-24 at 07:37 +0800, Rafael J. Wysocki wrote: > > > > > > On Sunday, 23 of November 2008, Rafael J. Wysocki wrote: > > > > > > > Hi, > > > > > > > > > > > > > > With current mainline (2.6.28-rc6-git1 as of today) on Toshiba Portege R500 the > > > > > > > status of the AC adapter is not updated when the adapter is unplugged and > > > > > > > plugged in. Evidently, /sys/class/power_supply/ADP1/online always contains the > > > > > > > same value. Interestingly enough, though, if the box is suspended to RAM and > > > > > > > resumed, the status of the AC adapter is correctly updated, but the value read > > > > > > > at that time remains in /sys/class/power_supply/ADP1/online until the next > > > > > > > suspend/resume cycle regardless of what's going on with the AC adapter. > > > > > > > > > > > > > > 2.6.27.7 works correctly on this box so the recent EC patches don't seem to > > > > > > > cause this regression to happen. > > > > > > > > > > > > > > Any other ideas? > > > > > Hi, Rafael > > > > > Will you please open a new bug at > > > > > http://bugzilla.kernel.org/enter_bug.cgi?product=ACPI and attach the > > > > > output of acpidump, dmesg, lspci -vxxx? > > > > > If no ACPI event is reported when AC adapter is unplugged and > > > > > plugged, the /sys/class interface can't display the correct AC status. > > > > > Now Rui is working on this issue and the patch is already finished. But > > > > > it is not sent to Lenb. > > > > > > > > Can you give me a link to the patch, please? > > > > Thanks. > > > > Still, it doesn't seem to be related to the problem at hand. > On the R500 box there exist two issues related with AC driver > a. no ACPI event is reported by AC adapter. The root cause is that > the GPE is shared by several devices(Fake Power button, LID device,HS86, > HS87, ADP1). If the GPE is registered as run_wake type by the fake power > button, the AC adapter can be reported correctly. If the GPE is > registered as wake type, the AC adapter can't be reported correctly. > In the commit the GPE obtained from the _PRW packge of Power button > device won't be registered as the Fix power button is used instead of > generic power button. > b. the /sys/class/power_supply/ADP1/online can't report the correct > status of AC adapter.But the /proc/acpi/ interface can report the > correct status even when there is no ACPI event. This can be fixed by > the patch from Rui. I see, thanks for the explanation. The /proc/acpi interface is not compiled in here, so obviously I didn't notice the issue with it. Thanks, Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
