> On May 11, 2015, at 8:21 PM, David Higgs <hig...@gmail.com> wrote:
> 
> On Mon, May 11, 2015 at 8:07 PM, Alexander Hall <alexan...@beard.se 
> <mailto:alexan...@beard.se>>wrote:
> Upgrading to the latest snapshot, I noticed my upd sensors had been
> disturbingly crippled.
> 
>  uhidev0 at uhub4 port 1 configuration 1 interface 0 "EATON Eaton 3S" rev 
> 2.00/1.00 addr 2
>  uhidev0: iclass 3/0, 32 report ids
>  upd0 at uhidev0
> 
> Diff below is what happens from upd.c r1.13 to r1.14.
> 
> -hw.sensors.upd0.indicator0=On (ACPresent), OK
> -hw.sensors.upd0.indicator1=On (Charging), OK
> -hw.sensors.upd0.indicator2=Off (Discharging), OK
> -hw.sensors.upd0.indicator3=Off (ShutdownImminent), OK
> -hw.sensors.upd0.percent0=100.00% (FullChargeCapacity), OK
> -hw.sensors.upd0.percent1=100.00% (RemainingCapacity), OK
> +hw.sensors.upd0.indicator0=Off (ShutdownImminent), OK
> +hw.sensors.upd0.indicator1=On (ACPresent), OK
> 
> Is this an expected fallout? Can I provide more info to assist? Full
> dmesg (latest snap + vanilla current kernel w/ upd.c r1.13) follows. 
> 
> It seems your device doesn't have a BatteryPresent report, or it is somehow 
> getting mangled.  Can you run lsusb -v on your device and check if "Battery 
> Present" is shown?
> 
> If it is not, we'll have to make sensor dependencies less strict.  I'll start 
> thinking about how to do this.

Alternatively, you could try the following diff, which flattens the sensor 
dependency tree when a parent sensor isn’t available.

Thanks.

--david

--- a/upd.c
+++ b/upd.c
@@ -225,8 +225,12 @@ upd_attach_sensor_tree(struct upd_softc
 
        for (i = 0; i < nentries; i++) {
                entry = entries + i;
-               if (!upd_lookup_usage_entry(desc, size, entry, &item))
+               if (!upd_lookup_usage_entry(desc, size, entry, &item) {
+                       /* dependency missing, add children to parent */
+                       upd_attach_sensor_tree(sc, desc, size,
+                           entry->nchildren, entry->children, queue);
                        continue;
+               }
 
                DPRINTF(("%s: found %s on repid=%d\n", DEVNAME(sc),
                    entry->usage_name, item.report_ID));

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