Commits
Axel Lin committed 854ccbaee7e
regulator: core: Add checking set_mode callback in regulator_set_optimum_mode regulator_set_optimum_mode needs set_mode to properly work. Add checking for set_mode callback in case it may be not implemented. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>