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(parent: 11862c3) | patch
rtc: ds1307: add offset sysfs for mt41txx chips.
authorGiulio Benetti <giulio.benetti@micronovasrl.com>
Wed, 25 Jul 2018 17:26:04 +0000 (19:26 +0200)
committerAlexandre Belloni <alexandre.belloni@bootlin.com>
Fri, 28 Sep 2018 12:20:58 +0000 (14:20 +0200)
commit31210d3dcf65f9ff3b47e4b3479f7588b3a4fc82
tree934e6a5c55ac08431e7b054c61a36e2aa02cf3bbtree | snapshot
parent11862c3c5e57b9e67345d9b0eec6cb5bb038dc50commit | diff
rtc: ds1307: add offset sysfs for mt41txx chips.

m41txx chips can hold a calibration value to get correct clock bias.

Add offset handling (ranging between -63ppm and 126ppm) via sysfs.

Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
drivers/rtc/rtc-ds1307.c diff | blob | history
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