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    SubjectRe: qestion about I2C_CLASS_HWMON flag
    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


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