From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Cc: "Austin, Brian" <Brian.Austin@cirrus.com>,
Dimitris Papastamos <dp@opensource.wolfsonmicro.com>,
"alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>,
Lars-Peter Clausen <lars@metafoo.de>,
Mike Frysinger <vapier@gentoo.org>,
"qi.wang@intel.com" <qi.wang@intel.com>,
Takashi Iwai <tiwai@suse.de>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"yong.y.wang@intel.com" <yong.y.wang@intel.com>,
"kok.howg.ewe@intel.com" <kok.howg.ewe@intel.com>,
Daniel Mack <zonque@gmail.com>, Liam Girdwood <lrg@ti.com>,
"joel.clark@intel.com" <joel.clark@intel.com>
Subject: Re: [alsa-devel] [PATCH v2] soc/lapis: add machine driver
Date: Tue, 6 Dec 2011 10:25:19 +0000 [thread overview]
Message-ID: <20111206102519.GD28840@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <CANKRQniQSUWyaKUcn24ungmAu0ABHhBZ1=YhGz5jAp02X=KTAA@mail.gmail.com>
On Tue, Dec 06, 2011 at 11:37:52AM +0900, Tomoya MORINAGA wrote:
> 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?
I2C access by machine drivers is not good practice. If you must do it
for some reason use the standard ASoC functions to read and write
registers.
next prev parent reply other threads:[~2011-12-06 10:25 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-02 9:45 Tomoya MORINAGA
2011-12-02 15:34 ` Mark Brown
2011-12-05 5:28 ` Tomoya MORINAGA
2011-12-05 18:25 ` Mark Brown
2011-12-05 9:33 ` Tomoya MORINAGA
2011-12-05 18:32 ` Mark Brown
2011-12-06 2:02 ` Tomoya MORINAGA
2011-12-06 2:11 ` [alsa-devel] " Austin, Brian
2011-12-06 2:37 ` Tomoya MORINAGA
2011-12-06 10:25 ` Mark Brown [this message]
2011-12-07 4:42 ` Tomoya MORINAGA
2011-12-07 13:23 ` Mark Brown
2011-12-09 8:38 ` Tomoya MORINAGA
2011-12-09 8:43 ` Mark Brown
2011-12-09 9:37 ` Tomoya MORINAGA
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