linux-kernel - Re: [PATCH] regulator: tps62360: Fix off-by-one shift for ramp

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Message-ID: <517627CB.1000504@nvidia.com>
Date:	Tue, 23 Apr 2013 11:48:51 +0530
From:	Laxman Dewangan <ldewangan@...dia.com>
To:	Axel Lin <axel.lin@...ics.com>
CC:	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] regulator: tps62360: Fix off-by-one shift for ramp_ctrl

On Tuesday 23 April 2013 10:05 AM, Axel Lin wrote:
> According to the datasheet[1]
>
> Register 0x06h Description: RmpCtrl (REGISTER ADDRESS: 0x06h Read/Write)
> BIT[5..7]:
>          RMP[2:0] Output voltage ramp timing
>          D7-D5   Slope
>          000     32mV/us
>          001     16mV/us
>          010     8mV/us
>          ...
>          110     0.5mV/us
>          111     0.25mV/us
>
> Thus to get correct ramp_ctrl value, we need to right-shift 5 bits.
>
> [1] http://www.ti.com/lit/ds/symlink/tps62360.pdf
>

Checked with my latest and it is correct.
Acked-by: Laxman Dewangan <ldewangan@...dia.com>
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