#define CD_TMR_TE BIT(3) /* Countdown timer enable */
/* PCF2123_REG_OFFSET BITS */
-#define OFFSET_SIGN_BIT BIT(6) /* 2's complement sign bit */
+#define OFFSET_SIGN_BIT 6 /* 2's complement sign bit */
#define OFFSET_COARSE BIT(7) /* Coarse mode offset */
#define OFFSET_STEP (2170) /* Offset step in parts per billion */
}
static ssize_t pcf2123_store(struct device *dev, struct device_attribute *attr,
- const char *buffer, size_t count) {
+ const char *buffer, size_t count)
+{
struct pcf2123_sysfs_reg *r;
unsigned long reg;
unsigned long val;
if (ret)
return ret;
- pcf2123_write_reg(dev, reg, val);
+ ret = pcf2123_write_reg(dev, reg, val);
if (ret < 0)
return -EIO;
return count;
if (reg & OFFSET_COARSE)
reg <<= 1; /* multiply by 2 and sign extend */
else
- reg |= (reg & OFFSET_SIGN_BIT) << 1; /* sign extend only */
+ reg = sign_extend32(reg, OFFSET_SIGN_BIT);
*offset = ((long)reg) * OFFSET_STEP;