#include <linux/err.h>
#include <linux/regulator/consumer.h>
#include <linux/mutex.h>
+#include <linux/bitops.h>
/* Addresses to scan
* The chip also supports addresses 0x35..0x37. Don't scan those addresses
if (IS_ERR(data))
return PTR_ERR(data);
- temp = (data->temp[index] << 7) >> 7; /* sign extend */
+ temp = sign_extend32(data->temp[index], 8);
return sprintf(buf, "%d\n", temp * 500);/* 0.5 degrees C resolution */
}