diff options
| -rw-r--r-- | driver/battery/max17055.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/driver/battery/max17055.c b/driver/battery/max17055.c index 4836cf242d..9be2a14651 100644 --- a/driver/battery/max17055.c +++ b/driver/battery/max17055.c @@ -34,6 +34,8 @@ #define TEMPERATURE_CONV(REG) (((REG * 10) >> 8) + 2731) /* Percentage reg value to 1% */ #define PERCENTAGE_CONV(REG) (REG >> 8) +/* Cycle count reg value (LSB = 1%) to absolute count (100%) */ +#define CYCLE_COUNT_CONV(REG) ((REG * 5) >> 9) /* Useful macros */ #define MAX17055_READ_DEBUG(offset, ptr_reg) \ @@ -135,7 +137,13 @@ int battery_time_to_full(int *minutes) int battery_cycle_count(int *count) { - return max17055_read(REG_CYCLE_COUNT, count); + int rv; + int reg; + + rv = max17055_read(REG_CYCLE_COUNT, ®); + if (!rv) + *count = CYCLE_COUNT_CONV(reg); + return rv; } int battery_design_capacity(int *capacity) |