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rtc: ds1347: fix value written to century register
commit4dfe05bdc1
upstream. 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:147dae76db
("rtc: ds1347: handle century register") Cc: <stable@vger.kernel.org> # v5.5+ Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Link: https://lore.kernel.org/r/20221027163249.447416-1-abbotti@mev.co.uk Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -112,7 +112,7 @@ static int ds1347_set_time(struct device *dev, struct rtc_time *dt)
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return err;
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century = (dt->tm_year / 100) + 19;
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err = regmap_write(map, DS1347_CENTURY_REG, century);
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err = regmap_write(map, DS1347_CENTURY_REG, bin2bcd(century));
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if (err)
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return err;
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