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(parent: 1b4c794) | 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)
commit79230ff64167586b2a556470c7934083afea930e
tree934e6a5c55ac08431e7b054c61a36e2aa02cf3bbtree | snapshot
parent1b4c794fda583edabe864ac466e9cd43c707be80commit | 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
Domain: System / Kernel;