linux-kernel - Re: [RFC PATCH 0/3] introduce: Multistate Switch Class

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Message-ID: <CAH9JG2UbVo3aSBpUO1nG-hr37+Wn8_YNnedJt1i2b-cazW_nnA@mail.gmail.com>
Date:	Thu, 8 Dec 2011 13:42:34 +0900
From:	Kyungmin Park <kyungmin.park@...sung.com>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	Arnd Bergmann <arnd@...db.de>, Greg KH <gregkh@...e.de>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Arve Hjønnevåg <arve@...roid.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Donggeun Kim <dg77.kim@...sung.com>,
	Minkyu Kang <mk7.kang@...sung.com>, myungjoo.ham@...il.com,
	linux-kernel@...r.kernel.org, Mike Lockwood <lockwood@...roid.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Kalle Komierowski <karl.komierowski@...ricsson.com>,
	Johan PALSSON <johan.palsson@...ricsson.com>,
	Daniel WILLERUD <daniel.willerud@...ricsson.com>
Subject: Re: [RFC PATCH 0/3] introduce: Multistate Switch Class

On 12/7/11, Linus Walleij <linus.walleij@...aro.org> wrote:
> Hm, as we're speaking and debating where these switches should go,
> it appears tasty drivers doing this or similar things are already actively
> being merged into drivers/misc/fsa9480.c:
>
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=a1bb73d76bc814e9385390e6aa9880d884322e2e
>
> Given both come from Samsung, is this driver intended to replace
> that custom driver or is this another initiative altogether?
Previous time we used the fsa9480, micro usb IC, and now used the
similar IC, integrated at PMIC. With the restriction and no framework
for proper switching, at that time use the platform callback function,
but with the multistate switch class, we can improve and handle it
more precisely

>
> Minkyu, Donggeun, can you help us finding out where
> these things belong? I guess you guys also have a strong interest
> in a standard solution derived from Android.

Both are my team, and Donggeun is working on *similar IC* with
multistate switch framework.

Thank you,
Kyungmin Park
>
> Yours,
> Linus Walleij
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