linux-kernel - RE: [PATCH v3] regulators: add support max8952 regulator

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Message-id: <004001cb4f51$63ea5d00$2bbf1700$%kim@samsung.com>
Date:	Wed, 08 Sep 2010 21:28:45 +0900
From:	Kukjin Kim <kgene.kim@...sung.com>
To:	kyungmin.park@...sung.com, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org
Cc:	lrg@...mlogic.co.uk, 'Changhwan Youn' <chaos.youn@...sung.com>,
	'MyungJoo Ham' <myungjoo.ham@...sung.com>,
	'Mark Brown' <broonie@...nsource.wolfsonmicro.com>
Subject: RE: [PATCH v3] regulators: add support max8952 regulator

Kyungmin Park wrote:
> 
> Do you check the DVS feature?
> It can support the DVS by GPIOs and platform can set the each voltages at
> each mode.
> 
Ok...I agree about the feature's necessity that you said.

However, we don't need separate driver which has same/similar functionality.
So...would be better that could implement it in max8649...

Could you please do it based on this?...in fact, can't test it on SMDK.

Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@...sung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.

> As quick review of max8649. It can't support it.
> 
> Thank you,
> Kyungmin Park
> 
> -----Original Message-----
> From: Kukjin Kim [mailto:kgene.kim@...sung.com]
> Sent: Wednesday, September 08, 2010 8:26 AM
> To: linux-kernel@...r.kernel.org; linux-arm-kernel@...ts.infradead.org;
> linux-samsung-soc@...r.kernel.org
> Cc: lrg@...mlogic.co.uk; Changhwan Youn; Kukjin Kim; MyungJoo Ham;
Kyungmin
> Park
> Subject: [PATCH v3] regulators: add support max8952 regulator
> 
> From: Changhwan Youn <chaos.youn@...sung.com>
> 
> The operation of max8952 is almost similar to max8649 except the output
> voltage range. This patch adds support the max8952 regulator using
> current max8649 implementation. And removes separate max8952.[ch] files
> since the functionality is now merged into this driver.
> 
> Signed-off-by: Changhwan Youn <chaos.youn@...sung.com>
> Signed-off-by: Kukjin Kim <kgene.kim@...sung.com>
> Cc: MyungJoo Ham <myungjoo.ham@...sung.com>
> Cc: Kyungmin Park <kyungmin.park@...sung.com>
> Acked-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
> ---
> Following is as per Mark Brown's suggestion.
> Changes since v2:
> - Removed separate max8952.[ch] files
> 
> Changes since v1:
> - Added returning fail when detected wrong ID
> - Added matching the ID from the chip in case the user got things wrong
> - Added enum chip ID instead of 0, 1
> 
(snip)

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