From: Wim de With <wf@dewith.io>
To: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Lee Jones <lee@kernel.org>, Daniel Thompson <danielt@kernel.org>,
Jingoo Han <jingoohan1@gmail.com>,
Pavel Machek <pavel@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>, Helge Deller <deller@gmx.de>,
dri-devel@lists.freedesktop.org, linux-leds@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-fbdev@vger.kernel.org
Subject: Re: [PATCH v2 2/2] backlight: Add support for Orient Chip OCP8178
Date: Fri, 14 Aug 2026 19:57:58 +0200 [thread overview]
Message-ID: <an9XJmcXq_EUjY5y@dewith.io> (raw)
In-Reply-To: <20260814-peculiar-mega-mandrill-3a3148@quoll>
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
prev parent reply other threads:[~2026-08-14 17:58 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-12 19:21 [PATCH v2 0/2] backlight: Add support for Orient Chip OCP8178 Wim de With
2026-08-12 19:21 ` [PATCH v2 1/2] dt-bindings: backlight: Add " Wim de With
2026-08-12 19:28 ` sashiko-bot
2026-08-13 9:42 ` Daniel Thompson
2026-08-13 9:59 ` Wim de With
2026-08-12 19:21 ` [PATCH v2 2/2] backlight: Add support for " Wim de With
2026-08-12 19:34 ` sashiko-bot
2026-08-13 10:45 ` Wim de With
2026-08-13 9:42 ` Daniel Thompson
2026-08-14 9:22 ` Krzysztof Kozlowski
2026-08-14 17:57 ` Wim de With [this message]
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