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(parent: 984faa1) | patch
hwmon: (adc128d818) Do proper sign extension
authorRasmus Villemoes <linux@rasmusvillemoes.dk>
Thu, 22 Jan 2015 22:44:14 +0000 (23:44 +0100)
committerGuenter Roeck <linux@roeck-us.net>
Mon, 26 Jan 2015 05:24:00 +0000 (21:24 -0800)
commit2c3b1189fdca2f512187a670aeb295f901c10d87
treeb977b79ce3df7b3ebcff4c4e2290f2ea72600f01tree | snapshot
parent984faa1fb9175720828bf6604f936dff3f17b995commit | diff
hwmon: (adc128d818) Do proper sign extension

data->temp[index] has type s16. Because of C's promotion rules,
(data->temp[index] << 7) >> 7 is exactly the same as
data->temp[index]. The intention was to use bit 8 as a sign bit, so do
that using the existing API.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
drivers/hwmon/adc128d818.c diff | blob | history
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