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(parent: 8bc2a40) | patch
rtc: ds1307: add temperature sensor support for ds3231
authorAkinobu Mita <akinobu.mita@gmail.com>
Sun, 24 Jan 2016 15:22:16 +0000 (00:22 +0900)
committerAlexandre Belloni <alexandre.belloni@free-electrons.com>
Thu, 4 Feb 2016 22:44:17 +0000 (23:44 +0100)
commit445c02076f1e60d2ee51503bf1288ef9f3bc8809
tree8d9923a5a96c0d4e2f573f24b545c3582f885b39tree | snapshot (tar.gz zip)
parent8bc2a40730ec74271a0573a6882871308d069f5dcommit | diff
rtc: ds1307: add temperature sensor support for ds3231

DS3231 has the temperature registers with a resolution of 0.25
degree celsius.  This enables to get the value through hwmon.

# cat /sys/class/i2c-adapter/i2c-2/2-0068/hwmon/hwmon0/temp1_input
21000

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
drivers/rtc/Kconfig diff | blob | blame | history
drivers/rtc/rtc-ds1307.c diff | blob | blame | history