diff options
Diffstat (limited to 'linux-headers/include/linux/rtc.h')
| -rw-r--r-- | linux-headers/include/linux/rtc.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/linux-headers/include/linux/rtc.h b/linux-headers/include/linux/rtc.h index af568ed..c453b3a 100644 --- a/linux-headers/include/linux/rtc.h +++ b/linux-headers/include/linux/rtc.h @@ -12,6 +12,9 @@ #ifndef _LINUX_RTC_H_ #define _LINUX_RTC_H_ +#include <linux/const.h> +#include <linux/ioctl.h> + /* * The struct used to pass data via the following ioctl. Similar to the * struct tm in <time.h>, but it needs to be here so that the kernel @@ -92,7 +95,13 @@ 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 _BITUL(0) /* Voltage too low, RTC data is invalid */ +#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 */ /* interrupt flags */ |