PCF8563_REG_SC
if (buf[PCF8563_REG_SC] & PCF8563_SC_LV) {
tm->tm_sec = bcd2bin(buf[PCF8563_REG_SC] & 0x7F);
buf[PCF8563_REG_SC] = bin2bcd(tm->tm_sec);
return regmap_bulk_write(pcf8563->regmap, PCF8563_REG_SC,
buf + PCF8563_REG_SC,
sizeof(buf) - PCF8563_REG_SC);
ret = regmap_test_bits(pcf8563->regmap, PCF8563_REG_SC,