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-rw-r--r--drivers/mfd/wm831x-core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c
index 772fe584f3b8..baae9e47bffb 100644
--- a/drivers/mfd/wm831x-core.c
+++ b/drivers/mfd/wm831x-core.c
@@ -295,7 +295,7 @@ int wm831x_set_bits(struct wm831x *wm831x, unsigned short reg,
goto out;
r &= ~mask;
- r |= val;
+ r |= val & mask;
ret = wm831x_write(wm831x, reg, 2, &r);