Am 17.03.2015 um 09:48 schrieb Pavel Machek <pavel@xxxxxx>: >> >> Temperature calibration should have already been done in the underlaying twl4030 iio driver. >> >> Discharge rate is the real current flow reported in uA. Also >> reported by iio. > > Ack, but there's rather severe temperature dependency of the lithium > battery, which you should take into account if you want to compute > “percentage charged". We just want to estimate it as good as possible. 5-10% is sufficient and better than no value at all (which is what you get without this driver). And, we just convert the (existing) driver from non-DT to DT and to use iio, so we do not want to change the inner logic what it does and how it works. BR, Nikolaus -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html