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Date: Thu, 25 Jan 2024 22:13:34 +0100
From: Uwe =?utf-8?Q?Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
To: Wenhua Lin <Wenhua.Lin@unisoc.com>
Cc: Rob Herring <robh+dt@kernel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, 
	Orson Zhai <orsonzhai@gmail.com>, Baolin Wang <baolin.wang@linux.alibaba.com>, 
	Chunyan Zhang <zhang.lyra@gmail.com>, linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, 
	linux-kernel@vger.kernel.org, wenhua lin <wenhua.lin1994@gmail.com>, 
	Xiongpeng Wu <xiongpeng.wu@unisoc.com>, zhaochen su <zhaochen.su29@gmail.com>, 
	Zhaochen Su <Zhaochen.Su@unisoc.com>, Xiaolong Wang <Xiaolong.Wang@unisoc.com>
Subject: Re: [PATCH V2 2/6] pwm: sprd: Improve the pwm backlight control
 function
Message-ID: <tbtq2rtixo2dkfeuainsjzhymehkym3zvrjuh6hrpg6znnbyzg@ppl4ztw2t2bh>
References: <20240125025533.10315-1-Wenhua.Lin@unisoc.com>
 <20240125025533.10315-3-Wenhua.Lin@unisoc.com>
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Hello,

On Thu, Jan 25, 2024 at 10:55:29AM +0800, Wenhua Lin wrote:
> The pwm-sprd driver support only 8-bit linear control of backlight. Now,
> new requests of supporting 9-bit, 10-bit, 11-bit and 12-bit linear
> control of backlight are proposed.

I would expect that you can determine a sensible value for mod at
runtime. Also adding this to the device tree isn't hardware description,
is it?

Best regards
Uwe

--=20
Pengutronix e.K.                           | Uwe Kleine-K=F6nig            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |

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