From: Alexandre Belloni Date: Tue, 5 May 2020 20:13:06 +0000 (+0200) Subject: rtc: add new VL flag for backup switchover X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=734e5e4e268f792d514ec2313792f30ec5f6c94f;p=linux.git rtc: add new VL flag for backup switchover A new flag RTC_VL_BACKUP_SWITCH means that a backup switchover happened since last flag clear. Link: https://lore.kernel.org/r/20200505201310.255145-1-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni --- diff --git a/include/uapi/linux/rtc.h b/include/uapi/linux/rtc.h index 83bba58d47f49..fa9aff91cbf27 100644 --- a/include/uapi/linux/rtc.h +++ b/include/uapi/linux/rtc.h @@ -99,6 +99,7 @@ struct rtc_pll_info { #define RTC_VL_BACKUP_LOW _BITUL(1) /* Backup voltage is low */ #define RTC_VL_BACKUP_EMPTY _BITUL(2) /* Backup empty or not present */ #define RTC_VL_ACCURACY_LOW _BITUL(3) /* Voltage is low, RTC accuracy is reduced */ +#define RTC_VL_BACKUP_SWITCH _BITUL(4) /* Backup switchover happened */ #define RTC_VL_READ _IOR('p', 0x13, unsigned int) /* Voltage low detection */ #define RTC_VL_CLR _IO('p', 0x14) /* Clear voltage low information */