Re: [PATCH v2 2/2] backlight: Add support for Orient Chip OCP8178

Wim de With <[email protected]>
Newsgroups org.kernel.vger.linux-leds,org.freedesktop.lists.dri-devel,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-fbdev,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
On Fri, Aug 14, 2026 at 11:22:15AM +0200, Krzysztof Kozlowski wrote:
> On Wed, Aug 12, 2026 at 09:21:47PM +0200, Wim de With wrote:
> > +	props = (typeof(props)){
> > +		.type = BACKLIGHT_RAW,
> > +		.brightness = brightness,
> > +		.max_brightness = max_brightness,
> > +		.power = BACKLIGHT_POWER_ON,
> > +		.scale = BACKLIGHT_SCALE_NON_LINEAR,
> > +	};
> > +
> > +	bl = devm_backlight_device_register(dev, dev_name(dev), dev, ocp8178,
> > +					    &ocp8178_bl_ops, &props);
> > +	if (IS_ERR(bl))
> > +		return dev_err_probe(dev, PTR_ERR(bl),
> > +				     "failed to register backlight\n");
> > +
> > +	platform_set_drvdata(pdev, bl);
> > +	backlight_update_status(bl);
> > +
> > +	dev_dbg(dev, "probed, brightness=%u/%u\n", brightness, max_brightness);
> 
> You should not have probe success messages even as debug. It's not
> printing anything useful as brightness is fixed (comes from DTB) and
> devices appear in sysfs thus you can check them. Printing debug probe
> success messages applies for core SoC drivers which might fail before
> reaching initramfs mount and starting init.

Clear, will fix in v3.

Regards,
Wim
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