62 static int s35390a_set_reg(struct s35390a *s35390a, int reg, char *buf, int len)  in s35390a_set_reg()  argument
69 			.buf = buf  in s35390a_set_reg()
79 static int s35390a_get_reg(struct s35390a *s35390a, int reg, char *buf, int len)  in s35390a_get_reg()  argument
87 			.buf = buf  in s35390a_get_reg()
99 	char buf[1];  in s35390a_reset()  local
101 	if (s35390a_get_reg(s35390a, S35390A_CMD_STATUS1, buf, sizeof(buf)) < 0)  in s35390a_reset()
104 	if (!(buf[0] & (S35390A_FLAG_POC | S35390A_FLAG_BLD)))  in s35390a_reset()
107 	buf[0] |= (S35390A_FLAG_RESET | S35390A_FLAG_24H);  in s35390a_reset()
108 	buf[0] &= 0xf0;  in s35390a_reset()
109 	return s35390a_set_reg(s35390a, S35390A_CMD_STATUS1, buf, sizeof(buf));  in s35390a_reset()
114 	char buf[1];  in s35390a_disable_test_mode()  local
116 	if (s35390a_get_reg(s35390a, S35390A_CMD_STATUS2, buf, sizeof(buf)) < 0)  in s35390a_disable_test_mode()
119 	if (!(buf[0] & S35390A_FLAG_TEST))  in s35390a_disable_test_mode()
122 	buf[0] &= ~S35390A_FLAG_TEST;  in s35390a_disable_test_mode()
123 	return s35390a_set_reg(s35390a, S35390A_CMD_STATUS2, buf, sizeof(buf));  in s35390a_disable_test_mode()
155 	char buf[7];  in s35390a_set_datetime()  local
162 	buf[S35390A_BYTE_YEAR] = bin2bcd(tm->tm_year - 100);  in s35390a_set_datetime()
163 	buf[S35390A_BYTE_MONTH] = bin2bcd(tm->tm_mon + 1);  in s35390a_set_datetime()
164 	buf[S35390A_BYTE_DAY] = bin2bcd(tm->tm_mday);  in s35390a_set_datetime()
165 	buf[S35390A_BYTE_WDAY] = bin2bcd(tm->tm_wday);  in s35390a_set_datetime()
166 	buf[S35390A_BYTE_HOURS] = s35390a_hr2reg(s35390a, tm->tm_hour);  in s35390a_set_datetime()
167 	buf[S35390A_BYTE_MINS] = bin2bcd(tm->tm_min);  in s35390a_set_datetime()
168 	buf[S35390A_BYTE_SECS] = bin2bcd(tm->tm_sec);  in s35390a_set_datetime()
172 		buf[i] = bitrev8(buf[i]);  in s35390a_set_datetime()
174 	err = s35390a_set_reg(s35390a, S35390A_CMD_TIME1, buf, sizeof(buf));  in s35390a_set_datetime()
182 	char buf[7];  in s35390a_get_datetime()  local
185 	err = s35390a_get_reg(s35390a, S35390A_CMD_TIME1, buf, sizeof(buf));  in s35390a_get_datetime()
191 		buf[i] = bitrev8(buf[i]);  in s35390a_get_datetime()
193 	tm->tm_sec = bcd2bin(buf[S35390A_BYTE_SECS]);  in s35390a_get_datetime()
194 	tm->tm_min = bcd2bin(buf[S35390A_BYTE_MINS]);  in s35390a_get_datetime()
195 	tm->tm_hour = s35390a_reg2hr(s35390a, buf[S35390A_BYTE_HOURS]);  in s35390a_get_datetime()
196 	tm->tm_wday = bcd2bin(buf[S35390A_BYTE_WDAY]);  in s35390a_get_datetime()
197 	tm->tm_mday = bcd2bin(buf[S35390A_BYTE_DAY]);  in s35390a_get_datetime()
198 	tm->tm_mon = bcd2bin(buf[S35390A_BYTE_MONTH]) - 1;  in s35390a_get_datetime()
199 	tm->tm_year = bcd2bin(buf[S35390A_BYTE_YEAR]) + 100;  in s35390a_get_datetime()
212 	char buf[3], sts = 0;  in s35390a_set_alarm()  local
244 		buf[S35390A_ALRM_BYTE_WDAY] = bin2bcd(alm->time.tm_wday) | 0x80;  in s35390a_set_alarm()
246 	buf[S35390A_ALRM_BYTE_HOURS] = s35390a_hr2reg(s35390a,  in s35390a_set_alarm()
248 	buf[S35390A_ALRM_BYTE_MINS] = bin2bcd(alm->time.tm_min) | 0x80;  in s35390a_set_alarm()
251 		buf[S35390A_ALRM_BYTE_HOURS] |= 0x40;  in s35390a_set_alarm()
254 		buf[i] = bitrev8(buf[i]);  in s35390a_set_alarm()
256 	err = s35390a_set_reg(s35390a, S35390A_CMD_INT2_REG1, buf,  in s35390a_set_alarm()
257 								sizeof(buf));  in s35390a_set_alarm()
265 	char buf[3], sts;  in s35390a_read_alarm()  local
275 	err = s35390a_get_reg(s35390a, S35390A_CMD_INT2_REG1, buf, sizeof(buf));  in s35390a_read_alarm()
281 		buf[i] = bitrev8(buf[i]);  in s35390a_read_alarm()
282 		buf[i] &= ~0x80;  in s35390a_read_alarm()
285 	alm->time.tm_wday = bcd2bin(buf[S35390A_ALRM_BYTE_WDAY]);  in s35390a_read_alarm()
287 						buf[S35390A_ALRM_BYTE_HOURS]);  in s35390a_read_alarm()
288 	alm->time.tm_min = bcd2bin(buf[S35390A_ALRM_BYTE_MINS]);  in s35390a_read_alarm()
334 	char buf[1];  in s35390a_probe()  local
375 	err = s35390a_get_reg(s35390a, S35390A_CMD_STATUS1, buf, sizeof(buf));  in s35390a_probe()
380 	if (buf[0] & S35390A_FLAG_24H)  in s35390a_probe()