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path: root/kernel/drivers/rtc/rtc-s5m.c
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Diffstat (limited to 'kernel/drivers/rtc/rtc-s5m.c')
-rw-r--r--kernel/drivers/rtc/rtc-s5m.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/drivers/rtc/rtc-s5m.c b/kernel/drivers/rtc/rtc-s5m.c
index 8c70d785b..ab60287ee 100644
--- a/kernel/drivers/rtc/rtc-s5m.c
+++ b/kernel/drivers/rtc/rtc-s5m.c
@@ -635,6 +635,16 @@ static int s5m8767_rtc_init_reg(struct s5m_rtc_info *info)
case S2MPS13X:
data[0] = (0 << BCD_EN_SHIFT) | (1 << MODEL24_SHIFT);
ret = regmap_write(info->regmap, info->regs->ctrl, data[0]);
+ if (ret < 0)
+ break;
+
+ /*
+ * Should set WUDR & (RUDR or AUDR) bits to high after writing
+ * RTC_CTRL register like writing Alarm registers. We can't find
+ * the description from datasheet but vendor code does that
+ * really.
+ */
+ ret = s5m8767_rtc_set_alarm_reg(info);
break;
default: