On Mon, Sep 17, 2012 at 10:29:43AM +0000, Opensource [Anthony Olech] wrote:
> > Why is this function writing to the hardware, especially writing the same > > value > > every time? > the ramp_register is DA9058_SUPPLY_REG and it is marked as volitile. > Writing to the ramp enable bit starts the voltage change. When the PMIC has > finished making the change it resets the bit. Thus to make another voltage > change the bit needs to be set again. This function is retrieving the amount of time it would take to set the voltage. Why would it be starting a voltage ramp? The fact that it's not setting the new voltage in the hardware ought to be a warning sign here... -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
