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Groups > linux.kernel > #1213770
| From | Lee Jones <lee.jones@linaro.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2] pwm-backlight: Avoid backlight flicker when probed from DT |
| Date | 2015-08-26 14:00 +0200 |
| Message-ID | <q1Hx0-4PL-17@gated-at.bofh.it> (permalink) |
| References | <pRZOy-512-7@gated-at.bofh.it> <q1FbQ-1C1-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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 -- 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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Re: [PATCH v2] pwm-backlight: Avoid backlight flicker when probed from DT Philipp Zabel <p.zabel@pengutronix.de> - 2015-08-26 11:30 +0200 Re: [PATCH v2] pwm-backlight: Avoid backlight flicker when probed from DT Lee Jones <lee.jones@linaro.org> - 2015-08-26 14:00 +0200
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