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authorMark Brown <broonie@linaro.org>2014-01-17 15:52:17 +0000
committerMark Brown <broonie@linaro.org>2014-01-17 15:52:17 +0000
commit81e53d0470878165a300d75ac06a5bc5eee543a2 (patch)
tree5fdaacfb350c5a290109f98ab29e9858f1f11469 /drivers/hwmon/lm78.c
parent15e0964dc2a097de3cf518badf2237b6b6adf7fe (diff)
parentfcb4ed749c776a2ae89ca40343cbccb6f8981e60 (diff)
Merge branches 'topic/sc18is602' and 'topic/rspi' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into spi-bpw
Diffstat (limited to 'drivers/hwmon/lm78.c')
-rw-r--r--drivers/hwmon/lm78.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
index 6cf6bff7900..a2f3b4a365e 100644
--- a/drivers/hwmon/lm78.c
+++ b/drivers/hwmon/lm78.c
@@ -94,6 +94,8 @@ static inline u8 FAN_TO_REG(long rpm, int div)
{
if (rpm <= 0)
return 255;
+ if (rpm > 1350000)
+ return 1;
return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
}