Commit 4dfe05bd authored by Ian Abbott's avatar Ian Abbott Committed by Alexandre Belloni
Browse files

rtc: ds1347: fix value written to century register 



In `ds1347_set_time()`, the wrong value is being written to the
`DS1347_CENTURY_REG` register.  It needs to be converted to BCD.  Fix
it.

Fixes: 147dae76 ("rtc: ds1347: handle century register")
Cc: <stable@vger.kernel.org> # v5.5+
Signed-off-by: default avatarIan Abbott <abbotti@mev.co.uk>
Link: https://lore.kernel.org/r/20221027163249.447416-1-abbotti@mev.co.uk


Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent e59b3c73

drivers/rtc/rtc-ds1347.c

+1 −1
Original line number Diff line number Diff line
@@ -112,7 +112,7 @@ static int ds1347_set_time(struct device *dev, struct rtc_time *dt) 
		return err;



	century = (dt->tm_year / 100) + 19;

	err = regmap_write(map, DS1347_CENTURY_REG, century);

	err = regmap_write(map, DS1347_CENTURY_REG, bin2bcd(century));

	if (err)

		return err;