On Thu, Feb 27, 2014 at 10:34:35PM +0100, Belisko Marek wrote: > Well I've tried and it's worse :). I got during booting: > [ 2.218383] ERROR: could not get IIO channel /battery:temp(0) > [ 2.224639] platform battery.4: Driver twl4030_madc_battery > requests probe deferral > Not sure if it's just error or warning but temp is always reported as > 0 (and also other values in sysfs). This is an error, which basically means, that twl4030-madc has not yet been loaded. Do you get proper values when you use the old madc API with the patchset applied? -- Sebastian