From: David Brownell <david-b@pacbell.net>
To: "Aguirre Rodriguez, Sergio Alberto" <saaguirre@ti.com>
Cc: "linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
"Hiremath, Vaibhav" <hvaibhav@ti.com>
Subject: Re: Calling an I2C camera sensor with SMBUS API?
Date: Thu, 11 Dec 2008 15:24:56 -0800 [thread overview]
Message-ID: <200812111524.57050.david-b@pacbell.net> (raw)
In-Reply-To: <A24693684029E5489D1D202277BE894415E6E3C1@dlee02.ent.ti.com>
On Thursday 11 December 2008, Aguirre Rodriguez, Sergio Alberto wrote:
> But one thing I noticed is that my sensor needs to access 16-bit
> register addresses in the device, and I saw in SMBUS spec 2.0 that
> the equivalent thing (SMBUS commands) are only 8-bit length.
>
> So, should this automatically discard using SMBUS api for my case,
> or am I missing something else? (like a SMBUS 16-bit expansion or so)
There's the "proc call" which gives 16 bits in each direction;
I think the Linux call for that got removed because it had no
users, but could be restored if needed.
Probably best to take this question up on the I2C list.
- Dave
next prev parent reply other threads:[~2008-12-11 23:25 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-11 23:10 Calling an I2C camera sensor with SMBUS API? Aguirre Rodriguez, Sergio Alberto
2008-12-11 23:24 ` David Brownell [this message]
2008-12-11 23:58 ` Aguirre Rodriguez, Sergio Alberto
2008-12-16 20:23 ` Issue: TWL4030-USB Pandita, Vikram
2008-12-16 20:36 ` David Brownell
2008-12-16 20:55 ` Pandita, Vikram
2008-12-16 21:09 ` Felipe Balbi
2008-12-17 13:43 ` Pandita, Vikram
2008-12-16 21:24 ` David Brownell
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