rtc: max77663: Set Alarm wday to its reset value

The wday is configured only when disabled alarm.
When enable alarm, set it to its default reset value 0x01,
and not enable it, to prevent an error happened when re-read the
alarm value into the virtualized generic layer at boot up in
reading alarm setting of RTC.

Bug 1034871

Change-Id: I8bfa997653edaaa286cf768c1827b5ab986f52cc
Signed-off-by: Daniel Fu <danifu@nvidia.com>
Reviewed-on: http://git-master/r/129398
(cherry picked from commit 1a61c310b66245a73e021d786eea45c31cd9f6e9)

Signed-off-by: Kerwin Wan <kerwinw@nvidia.com>
Change-Id: Ifa78078c6387689d12fe1aade8a9c531fef4f771
Reviewed-on: http://git-master/r/131130
Reviewed-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
Tested-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
Rebase-Id: R495bc7741a8c90891f27e158af9ebdbcd820db97

diff --git a/drivers/rtc/rtc-max77663.c b/drivers/rtc/rtc-max77663.c
index 0f654d84dba02f989a2b221ce4680540992db37f..0e14ccb7b7e91a2389f53365c37f5cc0b890160f 100644 (file)
--- a/drivers/rtc/rtc-max77663.c
+++ b/drivers/rtc/rtc-max77663.c
@@ -227,9 +227,10 @@ static inline int max77663_rtc_tm_to_reg(struct max77663_rtc *rtc, u8 *buf,
        /* The wday is configured only when disabled alarm. */
        if (!alarm)
                buf[RTC_WEEKDAY] = (1 << tm->tm_wday);
-       else
-               buf[RTC_WEEKDAY] = 0;
-
+       else {
+       /* Configure its default reset value 0x01, and not enable it. */
+               buf[RTC_WEEKDAY] = 0x01;
+       }
        return 0;
 }