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mfd: Ensure value written by wm831x_set_bits() is within the mask

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Purely for defensiveness.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Mark Brown 2011-06-20 12:25:58 +01:00 committed by Samuel Ortiz
parent ec2328c30b
commit b00cd68eb3
1 changed files with 1 additions and 1 deletions
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drivers/mfd/wm831x-core.c
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@ -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);