Alexandre Belloni f86dc5bde1 rtc: pcf85063: return meaningful value for RTC_VL_READ ...

PCF85063_REG_SC_OS means the voltage dropped too low and data has been
lost.

Link: https://lore.kernel.org/r/20191214220259.621996-12-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

2019-12-18 10:37:35 +01:00

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