regulator: ab8500: Optimize ab8540_aux3_regulator_get_voltage_sel

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We can save a register read operation in some case if read
expand_register first.
If info->expand_register.voltage_mask bit is set, no need to read
voltage_reg.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

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Axel Lin 2013-04-10 14:46:20 +08:00 • committed by Mark Brown

parent 375dc9c141

commit 241896ce8d

1 changed files with 18 additions and 24 deletions

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drivers/regulator/ab8500.c

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