Re: [PATCH v2] pwm-backlight: fix the panel power sequence

From: Philipp Zabel
Date: Tue Nov 03 2015 - 06:09:01 EST

Hi YH,

Am Dienstag, den 03.11.2015, 16:11 +0800 schrieb YH Huang:
> > The reasoning is that devices where there is no phandle link pointing to
> > the backlight (for example from a simple-panel node), we should keep the
> > current default behaviour (enable during probe).
> I have a little problem for the current default behaviour.
> Should we enable during probe?

Here I mean enabling the backlight (at the end of the probe function),
not enabling the GPIO already when requesting it.

> Before this patch ( ),
> we disable "enable-gpio" in the probe function.

While before this patch the GPIO would be initialized in the disabled
state, the call to backlight_update_status at the end of the probe
function would still enable the backlight afterwards.


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