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H A Dcore.ccb220d16 Mon May 23 07:08:10 CDT 2011 Axel Lin <axel.lin@gmail.com> regulator: Fix _regulator_get_voltage if get_voltage callback is NULL

In the case of get_voltage callback is NULL, current implementation in
_regulator_get_voltage will return -EINVAL.

Also returns proper error if ret is negative value.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
cb220d16 Mon May 23 07:08:10 CDT 2011 Axel Lin <axel.lin@gmail.com> regulator: Fix _regulator_get_voltage if get_voltage callback is NULL

In the case of get_voltage callback is NULL, current implementation in
_regulator_get_voltage will return -EINVAL.

Also returns proper error if ret is negative value.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>