Messages in this thread | | | Date | Wed, 2 May 2012 17:23:18 -0700 | Subject | Re: [RFC][PATCH 6/8] PM / Sleep: Implement opportunistic sleep | From | Arve Hjønnevåg <> |
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On Thu, Apr 26, 2012 at 2:52 PM, Rafael J. Wysocki <rjw@sisk.pl> wrote: ... > From: Rafael J. Wysocki <rjw@sisk.pl> > Subject: PM / Sleep: Implement opportunistic sleep, v2 > > Introduce a mechanism by which the kernel can trigger global > transitions to a sleep state chosen by user space if there are no > active wakeup sources. > > It consists of a new sysfs attribute, /sys/power/autosleep, that > can be written one of the strings returned by reads from > /sys/power/state, an ordered workqueue and a work item carrying out > the "suspend" operations. If a string representing the system's > sleep state is written to /sys/power/autosleep, the work item > triggering transitions to that state is queued up and it requeues > itself after every execution until user space writes "off" to > /sys/power/autosleep. >
This does not work. Writing something other than "off" disabled auto suspend for me.
... > +static ssize_t autosleep_store(struct kobject *kobj, > + struct kobj_attribute *attr, > + const char *buf, size_t n) > +{ > + suspend_state_t state = decode_state(buf, n); > + int error; > + > + if (state == PM_SUSPEND_ON > + && !(strncmp(buf, "off", 3) && strncmp(buf, "off\n", 4))) > + return -EINVAL;
Did you mean: if (state == PM_SUSPEND_ON && strcmp(buf, "off") && strcmp(buf, "off\n")) return -EINVAL;
-- Arve Hjønnevåg -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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