diff options
Diffstat (limited to 'include/uapi/linux/rtc.h')
| -rw-r--r-- | include/uapi/linux/rtc.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/uapi/linux/rtc.h b/include/uapi/linux/rtc.h index 2ad1788968d0..095af360326a 100644 --- a/include/uapi/linux/rtc.h +++ b/include/uapi/linux/rtc.h @@ -92,7 +92,12 @@ struct rtc_pll_info { #define RTC_PLL_GET _IOR('p', 0x11, struct rtc_pll_info) /* Get PLL correction */ #define RTC_PLL_SET _IOW('p', 0x12, struct rtc_pll_info) /* Set PLL correction */ -#define RTC_VL_READ _IOR('p', 0x13, int) /* Voltage low detector */ +#define RTC_VL_DATA_INVALID BIT(0) /* Voltage too low, RTC data is invalid */ +#define RTC_VL_BACKUP_LOW BIT(1) /* Backup voltage is low */ +#define RTC_VL_BACKUP_EMPTY BIT(2) /* Backup empty or not present */ +#define RTC_VL_ACCURACY_LOW BIT(3) /* Voltage is low, RTC accuracy is reduced */ + +#define RTC_VL_READ _IOR('p', 0x13, unsigned int) /* Voltage low detection */ #define RTC_VL_CLR _IO('p', 0x14) /* Clear voltage low information */ /* interrupt flags */ |