diff options
Diffstat (limited to 'driver/charger/isl923x.c')
| -rw-r--r-- | driver/charger/isl923x.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/driver/charger/isl923x.c b/driver/charger/isl923x.c index 6336b4acaf..5b36a1df06 100644 --- a/driver/charger/isl923x.c +++ b/driver/charger/isl923x.c @@ -345,6 +345,31 @@ int isl923x_set_dc_prochot(uint16_t ma) return rv; } +int isl923x_set_comparator_inversion(int chgnum, int invert) +{ + int rv; + int regval; + + rv = i2c_read16(chg_chips[chgnum].i2c_port, + chg_chips[chgnum].i2c_addr_flags, + ISL923X_REG_CONTROL2, ®val); + if (invert) + regval |= ISL923X_C2_INVERT_CMOUT; + else + regval &= ~ISL923X_C2_INVERT_CMOUT; + + if (!rv) + rv |= i2c_write16(chg_chips[chgnum].i2c_port, + chg_chips[chgnum].i2c_addr_flags, + ISL923X_REG_CONTROL2, regval); + + if (rv) + CPRINTS("%s (%d) set_comparator_inversion failed (rv: %d)", + CHARGER_NAME, chgnum, rv); + + return rv; +} + static void isl923x_init(int chgnum) { int reg; |