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-rw-r--r--drivers/regulator/lp3971.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/regulator/lp3971.c b/drivers/regulator/lp3971.c
index 8bdcf41ab68..b20b3e1d821 100644
--- a/drivers/regulator/lp3971.c
+++ b/drivers/regulator/lp3971.c
@@ -45,7 +45,7 @@ static int lp3971_set_bits(struct lp3971 *lp3971, u8 reg, u16 mask, u16 val);
LP3971_BUCK2 -> 4
LP3971_BUCK3 -> 6
*/
-#define BUCK_VOL_CHANGE_SHIFT(x) (((1 << x) & ~0x01) << 1)
+#define BUCK_VOL_CHANGE_SHIFT(x) (((!!x) << 2) | (x & ~0x01))
#define BUCK_VOL_CHANGE_FLAG_GO 0x01
#define BUCK_VOL_CHANGE_FLAG_TARGET 0x02
#define BUCK_VOL_CHANGE_FLAG_MASK 0x03