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-rw-r--r--drivers/hwmon/jc42.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/hwmon/jc42.c b/drivers/hwmon/jc42.c
index 388f8bcd898e..262d8086822f 100644
--- a/drivers/hwmon/jc42.c
+++ b/drivers/hwmon/jc42.c
@@ -213,11 +213,7 @@ static u16 jc42_temp_to_reg(int temp, bool extended)
static int jc42_temp_from_reg(s16 reg)
{
- reg &= 0x1fff;
-
- /* sign extend register */
- if (reg & 0x1000)
- reg |= 0xf000;
+ reg = sign_extend32(reg, 12);
/* convert from 0.0625 to 0.001 resolution */
return reg * 125 / 2;