Re: [PATCH v2 2/2] backlight: Add support for Orient Chip OCP8178
From: Daniel Thompson
Date: Thu Aug 13 2026 - 06:00:32 EST
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@xxxxxxxxx>
Reviewed-by: Daniel Thompson (RISCstar) <danielt@xxxxxxxxxx>
Daniel.