Messages in this thread | | | Date | Tue, 4 Oct 2005 14:03:34 +0200 | From | Pavel Machek <> | Subject | Re: thinkpad suspend to ram and backlight |
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Hi!
> > > When I suspend to RAM on x32, backlight is not turned off. (And, IIRC, > > > video chips is not turned off, too). Unfortunately, backlight is not > > > turned even when lid is closed. I know some patches were floating > > > around to solve that... but I can't find them now. Any ideas? > > > > Which framebuffer driver? Vesafb works for Timo, at least he did not > > complain lately ;-) > > It's never too late to complain: I just gave it a try with vesfb. > Backlight stays on. > > When eying the display precisely it seems to be switched off for a short > moment once the system enters S3 but then gets turned on again.
Yes, same with radeonfb here.
I use
#!/bin/bash radeontool light off echo 3 > /proc/acpi/sleep radeontool light on
...and it works most of the time. Sometimes screen is corrupted after resume, another suspend/resume cycle cures that. (Strange!)
Pavel -- if you have sharp zaurus hardware you don't need... you know my address - 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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