power-management
- HTC Desire Z battery tile: the SD card its launcher can't write
A battery tile with a CSV logger for my Android 2.3 launcher took one build. Finding a place the log could live took a day: the launcher owns the SD card.
- HTC Desire Z battery drain in milliamps, straight from sysfs
The battery icon on my HTC Desire Z said 100% all day. A kernel file, smem_text, had the number that moved: device draw in mA, readable without root.
- Packing a battery-first kernel into an HTC Desire Z boot.img
My plan put the HTC Desire Z kernel flash in one comment line. The boot image took three partition lookups, abootimg and a module the build never made.
- Desire Z undervolt: a battery kernel next to CONFIG_JESUS_PHONE
An HTC Desire Z battery kernel on CM7: 25-50 mV undervolt, no overclock, power-collapse idle, four build failures and one fastboot flash.