88 static void isl12057_rtc_regs_to_tm(struct rtc_time *tm, u8 *regs)  in isl12057_rtc_regs_to_tm()  argument
90 	tm->tm_sec = bcd2bin(regs[ISL12057_REG_RTC_SC]);  in isl12057_rtc_regs_to_tm()
91 	tm->tm_min = bcd2bin(regs[ISL12057_REG_RTC_MN]);  in isl12057_rtc_regs_to_tm()
94 		tm->tm_hour = bcd2bin(regs[ISL12057_REG_RTC_HR] & 0x1f);  in isl12057_rtc_regs_to_tm()
96 			tm->tm_hour += 12;  in isl12057_rtc_regs_to_tm()
98 		tm->tm_hour = bcd2bin(regs[ISL12057_REG_RTC_HR] & 0x3f);  in isl12057_rtc_regs_to_tm()
101 	tm->tm_mday = bcd2bin(regs[ISL12057_REG_RTC_DT]);  in isl12057_rtc_regs_to_tm()
102 	tm->tm_wday = bcd2bin(regs[ISL12057_REG_RTC_DW]) - 1; /* starts at 1 */  in isl12057_rtc_regs_to_tm()
103 	tm->tm_mon  = bcd2bin(regs[ISL12057_REG_RTC_MO] & 0x1f) - 1; /* ditto */  in isl12057_rtc_regs_to_tm()
104 	tm->tm_year = bcd2bin(regs[ISL12057_REG_RTC_YR]) + 100;  in isl12057_rtc_regs_to_tm()
108 		tm->tm_year += 100;  in isl12057_rtc_regs_to_tm()
111 static int isl12057_rtc_tm_to_regs(u8 *regs, struct rtc_time *tm)  in isl12057_rtc_tm_to_regs()  argument
123 	if (tm->tm_year < 100 || tm->tm_year > 299)  in isl12057_rtc_tm_to_regs()
126 	century_bit = (tm->tm_year > 199) ? ISL12057_REG_RTC_MO_CEN : 0;  in isl12057_rtc_tm_to_regs()
128 	regs[ISL12057_REG_RTC_SC] = bin2bcd(tm->tm_sec);  in isl12057_rtc_tm_to_regs()
129 	regs[ISL12057_REG_RTC_MN] = bin2bcd(tm->tm_min);  in isl12057_rtc_tm_to_regs()
130 	regs[ISL12057_REG_RTC_HR] = bin2bcd(tm->tm_hour); /* 24-hour format */  in isl12057_rtc_tm_to_regs()
131 	regs[ISL12057_REG_RTC_DT] = bin2bcd(tm->tm_mday);  in isl12057_rtc_tm_to_regs()
132 	regs[ISL12057_REG_RTC_MO] = bin2bcd(tm->tm_mon + 1) | century_bit;  in isl12057_rtc_tm_to_regs()
133 	regs[ISL12057_REG_RTC_YR] = bin2bcd(tm->tm_year % 100);  in isl12057_rtc_tm_to_regs()
134 	regs[ISL12057_REG_RTC_DW] = bin2bcd(tm->tm_wday + 1);  in isl12057_rtc_tm_to_regs()
199 static int _isl12057_rtc_read_time(struct device *dev, struct rtc_time *tm)  in _isl12057_rtc_read_time()  argument
228 	isl12057_rtc_regs_to_tm(tm, regs);  in _isl12057_rtc_read_time()
230 	return rtc_valid_tm(tm);  in _isl12057_rtc_read_time()
395 static int isl12057_rtc_set_time(struct device *dev, struct rtc_time *tm)  in isl12057_rtc_set_time()  argument
401 	ret = isl12057_rtc_tm_to_regs(regs, tm);  in isl12057_rtc_set_time()