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regulator: s5m8767: Use DIV_ROUND_UP to calculate selector
authorAxel Lin <axel.lin@gmail.com>
Fri, 13 Apr 2012 01:30:05 +0000 (09:30 +0800)
committerMark Brown <broonie@opensource.wolfsonmicro.com>
Mon, 23 Apr 2012 12:18:10 +0000 (13:18 +0100)
commit94e85a3c5d702a4ce96b7a9b883c949a08ebd93c
tree96d4d9bcc1e06d67ba5eef89eb6f6ce976d6a274tree | snapshot
parentb9b49af5efa405f3c394a6395e79092c785999a3commit | diff
regulator: s5m8767: Use DIV_ROUND_UP to calculate selector

Integer division may truncate the result.
Use DIV_ROUND_UP to ensure new voltage setting falls within specified range.

Also properly handle the case min_vol < desc->min to ensure we don't return
negative value for selector.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
drivers/regulator/s5m8767.c diff | blob | history
Beck SC1x5 Kernel