drivers/rtc/rtc-da9052.c

31 	int ret;
33 		ret = da9052_reg_update(rtc->da9052, DA9052_ALARM_Y_REG,
36 		if (ret != 0)
37 			rtc_err(rtc, "Failed to enable ALM: %d\n", ret);
39 		ret = da9052_reg_update(rtc->da9052, DA9052_ALARM_Y_REG,
41 		if (ret != 0)
42 			rtc_err(rtc, "Write error: %d\n", ret);
44 	return ret;
58 	int ret;
63 	ret = da9052_group_read(rtc->da9052, DA9052_ALARM_MI_REG, 5, &v[0][0]);
64 	if (ret) {
65 		rtc_err(rtc, "Failed to group read ALM: %d\n", ret);
66 		return ret;
70 		ret = da9052_group_read(rtc->da9052,
72 		if (ret) {
73 			rtc_err(rtc, "Failed to group read ALM: %d\n", ret);
74 			return ret;
85 			ret = rtc_valid_tm(rtc_tm);
86 			return ret;
103 	int ret;
117 	ret = da9052_reg_update(da9052, DA9052_ALARM_MI_REG,
119 	if (ret != 0) {
120 		rtc_err(rtc, "Failed to write ALRM MIN: %d\n", ret);
121 		return ret;
128 	ret = da9052_group_write(da9052, DA9052_ALARM_H_REG, 3, v);
129 	if (ret < 0)
130 		return ret;
132 	ret = da9052_reg_update(da9052, DA9052_ALARM_Y_REG,
134 	if (ret != 0)
135 		rtc_err(rtc, "Failed to write ALRM YEAR: %d\n", ret);
137 	return ret;
142 	int ret;
144 	ret = da9052_reg_read(rtc->da9052, DA9052_ALARM_Y_REG);
145 	if (ret < 0) {
146 		rtc_err(rtc, "Failed to read ALM: %d\n", ret);
147 		return ret;
150 	return !!(ret&DA9052_ALARM_Y_ALARM_ON);
156 	int ret;
161 	ret = da9052_group_read(rtc->da9052, DA9052_COUNT_S_REG, 6, &v[0][0]);
162 	if (ret) {
163 		rtc_err(rtc, "Failed to read RTC time : %d\n", ret);
164 		return ret;
168 		ret = da9052_group_read(rtc->da9052,
170 		if (ret) {
171 			rtc_err(rtc, "Failed to read RTC time : %d\n", ret);
172 			return ret;
200 	int ret;
215 	ret = da9052_group_write(rtc->da9052, DA9052_COUNT_S_REG, 6, v);
216 	if (ret < 0)
217 		rtc_err(rtc, "failed to set RTC time: %d\n", ret);
218 	return ret;
223 	int ret;
227 	ret = da9052_read_alarm(rtc, tm);
228 	if (ret < 0) {
229 		rtc_err(rtc, "failed to read RTC alarm: %d\n", ret);
230 		return ret;
239 	int ret;
247 	ret = da9052_rtc_enable_alarm(rtc, 0);
248 	if (ret < 0)
249 		return ret;
251 	ret = da9052_set_alarm(rtc, tm);
252 	if (ret < 0)
253 		return ret;
255 	ret = da9052_rtc_enable_alarm(rtc, 1);
256 	return ret;
277 	int ret;
286 	ret = da9052_reg_write(rtc->da9052, DA9052_BBAT_CONT_REG, 0xFE);
287 	if (ret < 0) {
289 			"Failed to setup RTC battery charging: %d\n", ret);
290 		return ret;
293 	ret = da9052_reg_update(rtc->da9052, DA9052_ALARM_Y_REG,
295 	if (ret != 0)
296 		rtc_err(rtc, "Failed to disable TICKS: %d\n", ret);
307 	ret = devm_rtc_register_device(rtc->rtc);
308 	if (ret)
309 		return ret;
311 	ret = da9052_request_irq(rtc->da9052, DA9052_IRQ_ALARM, "ALM",
313 	if (ret != 0) {
314 		rtc_err(rtc, "irq registration failed: %d\n", ret);
315 		return ret;