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Date:	Tue, 6 Dec 2011 11:37:52 +0900
From:	Tomoya MORINAGA <>
To:	"Austin, Brian" <>
Cc:	Mark Brown <>,
	Dimitris Papastamos <>,
	"" <>,
	Lars-Peter Clausen <>,
	Mike Frysinger <>,
	"" <>,
	Takashi Iwai <>,
	"" <>,
	"" <>,
	"" <>,
	Daniel Mack <>, Liam Girdwood <>,
	"" <>
Subject: Re: [alsa-devel] [PATCH v2] soc/lapis: add machine driver

2011/12/6 Austin, Brian <>:
> On Dec 5, 2011, at 8:01 PM, "Tomoya MORINAGA" <> wrote:
>> 2011/12/6 Mark Brown <>:
>>>> According to "machine.txt", I created this machine driver referring
>>>> corgi.c/spitz.c.
>>>> However, corgi.c/spitz.c. don't look obeying your saying.
>>> You really need to look at current drivers to make sure you're following
>>> current best practice - older drivers, particularly for obsolte hardware
>>> like the Zaurus machines, may well not reflect the current best practices.
>> I see.
>> I won't read this docs.
>> BTW, Let me know the best practice of machine driver?
>> I can't identify which driver is modern or not.
> Check the OMAP and Samsung directories. Those are pretty current
Thanks.  However, i2c access code is not included in Samsung.
Though OMAP includes i2c access code like below,
  omap/sdp3430.c: twl_i2c_read_u8(TWL4030_MODULE_INTBR, &pin_mux,
  omap/sdp3430.c: twl_i2c_write_u8(TWL4030_MODULE_INTBR, pin_mux,
this code doesn't seem applicable for me.

Could you show best practice for i2c access of machine driver?

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