[PATCH 05/10] rtc: ds1347: mask ALM OUT when reading time

From: Alexandre Belloni
Date: Mon Oct 07 2019 - 09:47:38 EST


Bit 7 of the minutes registers is ALM OUT. It indicates an alarm fired.
Mask it out when reading the time.

Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
---
drivers/rtc/rtc-ds1347.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/rtc/rtc-ds1347.c b/drivers/rtc/rtc-ds1347.c
index 06abf0b47e16..763eb60e5e8f 100644
--- a/drivers/rtc/rtc-ds1347.c
+++ b/drivers/rtc/rtc-ds1347.c
@@ -52,7 +52,7 @@ static int ds1347_read_time(struct device *dev, struct rtc_time *dt)
return err;

dt->tm_sec = bcd2bin(buf[0]);
- dt->tm_min = bcd2bin(buf[1]);
+ dt->tm_min = bcd2bin(buf[1] & 0x7f);
dt->tm_hour = bcd2bin(buf[2] & 0x3F);
dt->tm_mday = bcd2bin(buf[3]);
dt->tm_mon = bcd2bin(buf[4]) - 1;
--
2.21.0