Messages in this thread |  | | Date | Wed, 13 Apr 2011 13:34:23 -0700 | From | Greg KH <> | Subject | Re: backlight control broken on Sony VGN-P21Z with staging/gma500 |
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On Wed, Apr 13, 2011 at 09:54:45PM +0200, Joost Pjotr Vermeer wrote: > Hi, > > I tried the new gma500 driver from staging on my Sony VGN-P21Z. It > seems to work very nice. > > But backlight control does not work. It has worked with a previous > version of the staging/gma500 driver. I can solve it by removing the > call to acpi_video_register() from psb_driver_load() in psb_drv.c. > > Can I try anything to find a more specific cause for this?
Use 'git bisect' to find the offending patch?
thanks,
greg k-h
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