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- 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
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