[lm-sensors] [RFC v3] [PATCH] hwmon: Add LTC4245 driver

Jean Delvare khali at linux-fr.org
Thu Oct 16 22:56:15 CEST 2008


On Thu, 16 Oct 2008 13:50:26 -0700, Ira Snyder wrote:
> On Thu, Oct 16, 2008 at 10:38:10PM +0200, Hans de Goede wrote:
> 
> snip
> 
> > > +/* Return the voltage from the given register in millivolts */
> > > +static u32 ltc4245_get_voltage(struct device *dev, u8 reg)
> > > +{
> > 
> > Why dont you make this an s32 (or just an int) and then ..
> > 
> 
> snip
> 
> > > +	case LTC4245_VEEIN:
> > > +	case LTC4245_VEEOUT:
> > > +		voltage = regval * 55;
> > 
> > Make this * -55, and ...
> > 
> 
> Great idea. I didn't even think of that. :) I'll post up a final patch
> after I hear back on the stuff below.
> 
> Is it ok to have a negative power? The current value gets used to
> calculate the (virtual) power in ltc4245_show_power(), but that's it.

I'd use the absolute value for power. A negative power sounds weird.

-- 
Jean Delvare




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