Wolfram Sang 1f90e9a38c mmc: add kerneldoc to mmc_regulator_get_supply()
Especially, make clear what the return value means.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2017-10-30 11:50:32 +01:00
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