Implement support for reporting battery health in the WM8350 battery
interface. Since we are now able to report this via the classs remove
the diagnostics from the interrupt handler.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: NAnton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: NSamuel Ortiz <sameo@openedhand.com>