linux-kernel - Re: [PATCH] regulator: rk808: Fix min

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Message-ID: <CAD=FV=XViSBFyMEY9kQBMggnn+uA0wYarbseFOuZeakzBxZeqA@mail.gmail.com>
Date:	Tue, 30 Sep 2014 09:43:47 -0700
From:	Doug Anderson <dianders@...omium.org>
To:	Chris Zhong <zyw@...k-chips.com>
Cc:	Heiko Stübner <heiko@...ech.de>,
	linux-rockchip@...ts.infradead.org,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] regulator: rk808: Fix min_uV for DCDC1 & DCDC2

Chris,

On Tue, Sep 30, 2014 at 2:44 AM, Chris Zhong <zyw@...k-chips.com> wrote:
> The min_uv in DCDC1 & DCDC2 should be 712.5mv
>
> Signed-off-by: Chris Zhong <zyw@...k-chips.com>
>
> ---
>
>  drivers/regulator/rk808-regulator.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c
> index e305416..196a5c8 100644
> --- a/drivers/regulator/rk808-regulator.c
> +++ b/drivers/regulator/rk808-regulator.c
> @@ -44,7 +44,7 @@ static const int rk808_buck_config_regs[] = {
>  };
>
>  static const struct regulator_linear_range rk808_buck_voltage_ranges[] = {
> -       REGULATOR_LINEAR_RANGE(700000, 0, 63, 12500),
> +       REGULATOR_LINEAR_RANGE(712500, 0, 63, 12500),
>  };

I have no problem with this (and the current "dts" file I see don't go
this low anyway), but it doesn't match the datasheet I have right now
which says "0.700 V" is the min.

-Doug
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