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SubjectRe: qestion about I2C_CLASS_HWMON flag
On Thu, Sep 4, 2008 at 10:37 AM, Jean Delvare <> wrote:
> Hi Francis,
> On Thu, Sep 4, 2008 at 9:43 AM, Francis Moreau <> 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 ?


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