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Paul Sauro 4bde992ca3 pp502x: Fully shut down storage power on older(4g/photo, mini, mini2g) iPods
On these older iPods, power was not being shut down completely, which led to a backfeed situation leading to decreased battery life and some stability issues.

This was particuarly apparent when using SD card adapters that do not
respect the ATA power management commands (ie all of them), as they never enter a low-power state on their own.

With this change, there are reports of battery life exceeding 20 hours of continuous playback (~30% increase with CF cards, 3x improvement with SD cards) and appears to resolve intermittent wakeup stability issues with SD adapters.

Change-Id: I46cfff7a59bb18a448989812303f30869df24d2d
2025-02-07 09:49:50 -05:00
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arm pp502x: Fully shut down storage power on older(4g/photo, mini, mini2g) iPods 2025-02-07 09:49:50 -05:00
coldfire [Fix Red] define lcd_awake for targets with lcd_sleep 2025-01-05 12:12:57 -05:00
hosted [Fix Red] define lcd_awake for targets with lcd_sleep 2025-01-05 12:12:57 -05:00
mips erosqnative: hw4 units prefer egauge battery percentage 2025-01-19 17:30:21 -05:00