regulator: as3722: Fix fall-through warnings for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a fallthrough pseudo-keyword instead of letting the
code fall through to the next case.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/c0efb81064f71837f19408f65b52d155103ee514.1605896059.git.gustavoars@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/regulator/as3722-regulator.c b/drivers/regulator/as3722-regulator.c
index 33ca197860b398ef956ca3e23b278d0da502dede..7bebf9ce627199298d0b80182c19d09155439268 100644 (file)
--- a/drivers/regulator/as3722-regulator.c
+++ b/drivers/regulator/as3722-regulator.c
@@ -455,7 +455,8 @@ static int as3722_sd_set_mode(struct regulator_dev *rdev,
        switch (mode) {
        case REGULATOR_MODE_FAST:
                val = as3722_reg_lookup[id].mode_mask;
-       case REGULATOR_MODE_NORMAL: /* fall down */
+               fallthrough;
+       case REGULATOR_MODE_NORMAL:
                break;
        default:
                return -EINVAL;