Re: [PATCH v2 2/2] backlight: Add support for Orient Chip OCP8178
From: Wim de With
Date: Fri Aug 14 2026 - 13:58:42 EST
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