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Message-ID: <38b2ab8a0809040149u2bc0342h5c32b87f9277322f@mail.gmail.com>
Date: Thu, 4 Sep 2008 10:49:55 +0200
From: "Francis Moreau" <francis.moro@gmail.com>
To: "Jean Delvare" <khali@linux-fr.org>
Subject: Re: qestion about I2C_CLASS_HWMON flag
Cc: "Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
       i2c@lm-sensors.org
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On Thu, Sep 4, 2008 at 10:37 AM, Jean Delvare <khali@linux-fr.org> wrote:
> Hi Francis,
>
> On Thu, Sep 4, 2008 at 9:43 AM, Francis Moreau <francis.moro@gmail.com> wrote:
>> I'm wondering why does this flag exist ?
>>
>> Why is a hw monitor device so special so that an I2C bus needs
>> a flag to tell the rest of the world that it support it ?
>
> I don't understand your point. We have I2C_CLASS flags for many I2C
> device types (analog TV, digital TV, etc.) I2C_CLASS_HWMON isn't the
> exception you describe. Look at <linux/i2c.h> for a list of these flags.
>

My question (sorry if that silly) is why do we need these flags at all ?

Can't I2C bus address any kinds of I2C devices ?

What make hwmon devices special so that some I2C adapter can't
talk to them ?

Thanks
-- 
Francis