Re: [PATCH v4 0/4] backlight: qcom-wled: Fix OVP IRQ imbalance and start from the hardware state

[Lee Jones]

On Wed, 14 Oct 2026, Lee Jones wrote:

> On Mon, 21 Sep 2026 12:46:21 +0200, David Heidelberg wrote:
> > The qcom-wled OVP interrupt is enabled at probe whenever the module is
> > already on, but the driver still believes the backlight is off, so the
> > first brightness update re-enables the interrupt and trips "Unbalanced
> > enable for IRQ". sdm845-mainline has carried a workaround for years and
> > Joel posted a flag-based version last October [1], which Konrad and
> > Daniel asked to be replaced by something that does not track the IRQ
> > state by hand.
> > 
> > [...]
> 
> Applied, thanks!
> 
> [1/4] backlight: qcom-wled: Fix NULL pointer dereference in wled_remove()
>       commit: 186fc521f211a207c323b753659f28d3dda7bc45
> [2/4] backlight: qcom-wled: Fix WLED3 brightness register stride
>       commit: e60dc9c05e0f415ef8bc63b3179abdd49830a619
> [3/4] backlight: qcom-wled: Fix unbalanced OVP IRQ enable at probe
>       commit: b32a8c32fea3855e707717155f198f03fdbf6f1e
> [4/4] backlight: qcom-wled: Read back the programmed brightness at probe
>       commit: 2ffcac916578f4a57347e717786d1e07e85cbf2b

No idea what this is.  The other one is the correct one.

-- 
Lee Jones