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? From: Zhang Rui <rui.zhang@xxxxxxxxx> Subject: power_supply: update ac status before acquiring it. Update AC status in sysfs I/F. http://bugzilla.kernel.org/show_bug.cgi?id=12035 Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx> --- drivers/acpi/ac.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) Index: linux-2.6/drivers/acpi/ac.c =================================================================== --- linux-2.6.orig/drivers/acpi/ac.c +++ linux-2.6/drivers/acpi/ac.c @@ -87,6 +87,7 @@ struct acpi_ac { unsigned long long state; }; +static int acpi_ac_get_state(struct acpi_ac *ac); #define to_acpi_ac(x) container_of(x, struct acpi_ac, charger); #ifdef CONFIG_ACPI_PROCFS_POWER @@ -103,15 +104,18 @@ static int get_ac_property(struct power_ enum power_supply_property psp, union power_supply_propval *val) { + int result; struct acpi_ac *ac = to_acpi_ac(psy); + switch (psp) { case POWER_SUPPLY_PROP_ONLINE: + result = acpi_ac_get_state(ac); val->intval = ac->state; break; default: return -EINVAL; } - return 0; + return result; } static enum power_supply_property ac_props[] = { > > > From the problem description it seems that the problem is related > > with the AC driver. But from the git-bisect it seems that the problem is > > related with the button driver(Fix power button device). > > > > Any-way, please attach the output of dmesg, acpidump, lspci -vxxx. > > Created http://bugzilla.kernel.org/show_bug.cgi?id=12091 with the information > attached as requested. > I'll take this bug. :) thanks, rui
--- Begin Message ---
- Subject: power_supply: update ac status before acquiring it.
- From: Zhang Rui <rui.zhang@xxxxxxxxx>
- Date: Mon, 24 Nov 2008 09:31:07 +0800
Update AC status in sysfs I/F. http://bugzilla.kernel.org/show_bug.cgi?id=12035 Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx> --- drivers/acpi/ac.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) Index: linux-2.6/drivers/acpi/ac.c =================================================================== --- linux-2.6.orig/drivers/acpi/ac.c +++ linux-2.6/drivers/acpi/ac.c @@ -87,6 +87,7 @@ struct acpi_ac { unsigned long long state; }; +static int acpi_ac_get_state(struct acpi_ac *ac); #define to_acpi_ac(x) container_of(x, struct acpi_ac, charger); #ifdef CONFIG_ACPI_PROCFS_POWER @@ -103,15 +104,18 @@ static int get_ac_property(struct power_ enum power_supply_property psp, union power_supply_propval *val) { + int result; struct acpi_ac *ac = to_acpi_ac(psy); + switch (psp) { case POWER_SUPPLY_PROP_ONLINE: + result = acpi_ac_get_state(ac); val->intval = ac->state; break; default: return -EINVAL; } - return 0; + return result; } static enum power_supply_property ac_props[] = {
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