results for GPS/uSD-"fix" via uSDclk-throttling
Joerg Reisenweber
joerg at openmoko.org
Sun Aug 16 19:36:34 CEST 2009
device rev: A7
hw-fix (cap on uSD): by default
dd if=/dev/mmcblk0p1 of=/dev/null ->
sat sig drop: ~5dB
during dd
echo 1 >/sys/module/glamo_mci/parameters/sd_slow_ratio
dd...
sat sig drop: ~4dB
conclusion:
Don't want /sys/module/glamo_mci/parameters/sd_slow_ratio=8 for A7
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