linux-kernel - Re: [PATCH 4/8] mfd: twl6040: Add initial support

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Message-Id: <201106031944.26251.peter.ujfalusi@ti.com>
Date:	Fri, 3 Jun 2011 19:44:26 +0300
From:	Peter Ujfalusi <peter.ujfalusi@...com>
To:	"Krishnamoorthy, Balaji T" <balajitk@...com>
Cc:	"Girdwood, Liam" <lrg@...com>, Tony Lindgren <tony@...mide.com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	"linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
	"Lopez Cruz, Misael" <misael.lopez@...com>,
	Jorge Eduardo Candelaria <jorge.candelaria@...com>,
	Margarita Olaya Cabrera <magi.olaya@...com>
Subject: Re: [PATCH 4/8] mfd: twl6040: Add initial support

On Wednesday 01 June 2011 16:47:21 Krishnamoorthy, Balaji T wrote:
> > +int twl6040_reg_read(struct twl6040 *twl6040, unsigned int reg)
> > +{
> > +       int ret;
> > +       u8 val = 0;
> > +
> > +       mutex_lock(&twl6040->io_mutex);
> > +       ret = twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &val, reg);
> 
> Can this dependency on twl_i2c_[read/write] be removed,
> Since TWL6040 is a separate IC which can get its own i2c_client in
> twl6040-core.c and
> create its own mfd devices like vibra, audio-codec ... while creating
> twl6040-core.c

You are right, twl6040 is separate IC.
I'll take a look how it can be separated from the twl-core (twl6030).

Thanks for noticing this, 
Péter
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