drivers/rtc/rtc-isl1208.c

188 static int isl1208_set_xtoscb(struct i2c_client *client, int sr, int xtosb_val)
191 	if (!!(sr & ISL1208_REG_SR_XTOSCB) == xtosb_val)
195 		sr |= ISL1208_REG_SR_XTOSCB;
197 		sr &= ~ISL1208_REG_SR_XTOSCB;
199 	return i2c_smbus_write_byte_data(client, ISL1208_REG_SR, sr);
301 	int sr, dtr, atr, usr;
303 	sr = isl1208_i2c_get_sr(client);
304 	if (sr < 0) {
306 		return sr;
310 		   (sr & ISL1208_REG_SR_RTCF) ? " RTCF" : "",
311 		   (sr & ISL1208_REG_SR_BAT) ? " BAT" : "",
312 		   (sr & ISL1208_REG_SR_ALM) ? " ALM" : "",
313 		   (sr & ISL1208_REG_SR_WRTC) ? " WRTC" : "",
314 		   (sr & ISL1208_REG_SR_XTOSCB) ? " XTOSCB" : "",
315 		   (sr & ISL1208_REG_SR_ARST) ? " ARST" : "", sr);
318 		   (sr & ISL1208_REG_SR_RTCF) ? "bad" : "okay");
339 	int sr;
342 	sr = isl1208_i2c_get_sr(client);
343 	if (sr < 0) {
348 	sr = isl1208_i2c_read_regs(client, 0, regs, ISL1208_RTC_SECTION_LEN);
349 	if (sr < 0) {
352 		return sr;
384 	int icr, yr, sr = isl1208_i2c_get_sr(client);
386 	if (sr < 0) {
388 		return sr;
391 	sr = isl1208_i2c_read_regs(client, ISL1208_REG_SCA, regs,
393 	if (sr < 0) {
396 		return sr;
480 	int sr;
500 	sr = isl1208_i2c_get_sr(client);
501 	if (sr < 0) {
503 		return sr;
507 	sr = i2c_smbus_write_byte_data(client, ISL1208_REG_SR,
508 				       sr | ISL1208_REG_SR_WRTC);
509 	if (sr < 0) {
511 		return sr;
515 	sr = isl1208_i2c_set_regs(client, 0, regs, ISL1208_RTC_SECTION_LEN);
516 	if (sr < 0) {
519 		return sr;
523 	sr = isl1208_i2c_get_sr(client);
524 	if (sr < 0) {
526 		return sr;
528 	sr = i2c_smbus_write_byte_data(client, ISL1208_REG_SR,
529 				       sr & ~ISL1208_REG_SR_WRTC);
530 	if (sr < 0) {
532 		return sr;
561 	int sr;
563 	sr = isl1208_i2c_get_sr(client);
564 	if (sr < 0) {
566 		return sr;
569 	sr &= ~ISL1208_REG_SR_EVT;
571 	sr = i2c_smbus_write_byte_data(client, ISL1208_REG_SR, sr);
572 	if (sr < 0)
585 	int sr;
587 	sr = isl1208_i2c_get_sr(client);
588 	if (sr < 0) {
590 		return sr;
593 	if (!(sr & ISL1208_REG_SR_EVT))
596 	sr = isl1208_i2c_read_regs(client, ISL1219_REG_SCT, regs,
598 	if (sr < 0) {
613 	sr = rtc_valid_tm(&tm);
614 	if (sr)
615 		return sr;
629 	int handled = 0, sr, err;
637 		sr = isl1208_i2c_get_sr(client);
638 		if (sr >= 0)
644 			return sr;
648 	if (sr & ISL1208_REG_SR_ALM) {
654 		sr &= ~ISL1208_REG_SR_ALM;
655 		sr = i2c_smbus_write_byte_data(client, ISL1208_REG_SR, sr);
656 		if (sr < 0)
668 	if (isl1208->config->has_tamper && (sr & ISL1208_REG_SR_EVT)) {
850 	int sr;
893 	sr = isl1208_i2c_get_sr(client);
894 	if (sr < 0) {
896 		return sr;
902 	rc = isl1208_set_xtoscb(client, sr, xtosb_val);
906 	if (sr & ISL1208_REG_SR_RTCF)