Messages in this thread | | | Date | Wed, 26 Aug 2015 12:58:56 +0100 | From | Lee Jones <> | Subject | Re: [PATCH v2] pwm-backlight: Avoid backlight flicker when probed from DT |
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On Wed, 26 Aug 2015, Philipp Zabel wrote:
> Hi Thierry, Jingoo, Lee, > > Am Donnerstag, den 30.07.2015, 19:22 +0200 schrieb Philipp Zabel: > > If the driver is probed from the device tree, and there is a phandle > > property set on it, and the enable GPIO is already configured as output, > > and the backlight is currently disabled, keep it disabled. > > If all these conditions are met, assume there will be some other driver > > that can enable the backlight at the appropriate time. > > do you have any comments on this? > > This patch fixes premature backlight illumination issues for DT probed > devices with enable gpio or regulator without changing the behavior of > the non-DT case or DT cases where the enable gpio and regulator are kept > initially enabled or where no other device node points to the backlight > via phandle.
I need Thierry's review to move forward on this.
-- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog
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