linux-kernel - Re: [PATCH] regulator: rt6160: Convert to use regulator_set_ramp_delay

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Message-ID: <CAFRkauDs6nyuboPBf9Q-=KDFkSjwQ4z9mDjzm3o95uzdu5bKCw@mail.gmail.com>
Date:   Thu, 3 Jun 2021 18:28:30 +0800
From:   Axel Lin <axel.lin@...ics.com>
To:     cy_huang(黃啟原) <cy_huang@...htek.com>
Cc:     "broonie@...nel.org" <broonie@...nel.org>,
        "lgirdwood@...il.com" <lgirdwood@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] regulator: rt6160: Convert to use regulator_set_ramp_delay_regmap

cy_huang(黃啟原) <cy_huang@...htek.com> 於 2021年6月3日 週四 下午6:20寫道：
>
> Hi, Axel:> Use regulator_set_ramp_delay_regmap instead of open-coded.
> >
> There's some reason.
> You can refer to https://lkml.org/lkml/2021/6/1/1145.
>
> It's because our ramp value order is from small to large, not large to small.
> It conflicts with find_closest_bigger value chosen logic.

I have verified the rt6160_set_ramp_delay() behavior exactly the same as
regulator_set_ramp_delay_regmap. (both functions get the same selector
for a given delay)

Could you check if this patch works?

Thanks,
Axel