Re: [PATCH] hwmon: applesmc: restore keyboard backlight on resume

[Andrew Morton]

On Sat, 22 Aug 2009 23:33:52 +0200
"Henrik Rydberg" <rydberg@xxxxxxxxxxx> wrote:

> On resume from suspend, the driver currently resets the logical
> state as if it was brought up from halt. This patch uses the
> dev_pm_ops.resume method to synchronize the hardware with the
> memorized logical state, bringing back the backlight to the level
> prior to suspend.

What are the runtime effects of this change?
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