| Introduction |
| ============= |
| The power management integrated circuit (PMIC) records the reason the |
| Application processor was powered on in Shared Memory. |
| The hardware and software used is the shared memory interface. This document |
| is not for the purpose of describing this interface, but to identify the |
| possible values for this data item. |
| |
| Description |
| =========== |
| Shared memory item (SMEM_POWER_ON_STATUS_INFO) is read to get access to |
| this data. The table below identifies the possible values stored. |
| |
| power_on_status values set by the PMIC for power on event: |
| ---------------------------------------------------------- |
| 0x01 -- keyboard power on |
| 0x02 -- RTC alarm |
| 0x04 -- cable power on |
| 0x08 -- SMPL |
| 0x10 -- Watch Dog timeout |
| 0x20 -- USB charger |
| 0x40 -- Wall charger |
| 0xFF -- error reading power_on_status value |
