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rtc: add correction parameter

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Add a new parameter allowing the get and set the correction using ioctls
instead of just sysfs.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20211018151933.76865-5-alexandre.belloni@bootlin.com
This commit is contained in:
Alexandre Belloni
2021-10-18 17:19:30 +02:00
parent 2268551935
commit a6d8c6e1a5
2 changed files with 20 additions and 0 deletions
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include/uapi/linux/rtc.h
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@@ -136,6 +136,7 @@ struct rtc_param {
/* parameter list */
#define RTC_PARAM_FEATURES 0
#define RTC_PARAM_CORRECTION 1
#define RTC_MAX_FREQ 8192