Messages in this thread | | | Date | Tue, 27 Jan 2009 22:05:10 +0100 | From | Folkert van Heusden <> | Subject | Re: 2.6.29rc1 brakes usb |
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> > > > Since version 2.6.29rc1 querying cleware USb devices no longer works. > > > > 2.6.28 works fine. 2.6.29-rc2 also no longer works. > > > > > > What kind of device is this? What happens if you try to use the device? > > > Isn't it detected, do you get an error? > > > > It is a powerswitch that can be toggled via USB. Cleware also has > > sensors (temperature, humidity, etc.) that all can be handled via a > > commandline utility I wrote. > > It has been a while but if i remember correctly the failing ioctl is for > > determing the serial number of the device. That is required to talk to > > the right device. http://www.vanheusden.com/clewarecontrol/ > > There's a known bug in hiddev. Please test the included patch.
Works!
Acked-by: Folkert van Heusden <folkert@vanheusden.com>
> --- linux-2.6/drivers/hid/usbhid/hiddev.c.alt 2009-01-26 20:03:10.000000000 +0100 > +++ linux-2.6/drivers/hid/usbhid/hiddev.c 2009-01-26 20:03:17.000000000 +0100 > @@ -656,7 +656,7 @@ static long hiddev_ioctl(struct file *fi > > case HIDIOCGSTRING: > mutex_lock(&hiddev->existancelock); > - if (!hiddev->exist) > + if (hiddev->exist) > r = hiddev_ioctl_string(hiddev, cmd, user_arg); > else > r = -ENODEV;
Folkert van Heusden
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