From: Daniel Thompson <danielt@kernel.org>
To: Wim de With <wf@dewith.io>
Cc: Lee Jones <lee@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: Thu, 13 Aug 2026 10:42:45 +0100 [thread overview]
Message-ID: <an2RlSuqoH4EmLEO@aspen.lan> (raw)
In-Reply-To: <20260812-ocp8178-backlight-v2-2-4ad18b48bef8@dewith.io>
On Wed, Aug 12, 2026 at 09:21:47PM +0200, Wim de With wrote:
> Add a driver for the Orient Chip OCP8178 backlight controller.
>
> The OCP8178 supports either PWM or a vendor-specific onewire protocol
> over GPIO. This driver implements the onewire protocol, which enables
> setting static brightness levels without requiring a continuous PWM
> signal from the host CPU. Note that while the vendor calls the protocol
> 1-Wire, it is not the 1-Wire protocol from Dallas Semiconductor as
> implemented in drivers/w1.
>
> Signed-off-by: Wim de With <wf@dewith.io>
Reviewed-by: Daniel Thompson (RISCstar) <danielt@kernel.org>
Daniel.
prev parent reply other threads:[~2026-08-13 9:42 UTC|newest]
Thread overview: 6+ 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
2026-08-13 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
2026-08-13 9:42 ` Daniel Thompson [this message]
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