Messages in this thread Patch in this message | | | From | Ricardo Rivera-Matos <> | Subject | [PATCH] power: supply: bq24190: Considers FORCE_20PCT when getting IPRECHG | Date | Fri, 14 Jul 2023 12:45:29 -0500 |
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Adds a check of the FORCE_20PCT bit when getting the precharge current value.
According to the bit description for the FORCE_20PCT bit, when FORCE_20PCT is true, the precharge current target is 50% of what is configured in the IPRECHG bit field.
Signed-off-by: Ricardo Rivera-Matos <rriveram@opensource.cirrus.com> Reviewed-by: David Rhodes <drhodes@opensource.cirrus.com> --- drivers/power/supply/bq24190_charger.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-)
diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/bq24190_charger.c index ef8235848f56..3f99cb9590ba 100644 --- a/drivers/power/supply/bq24190_charger.c +++ b/drivers/power/supply/bq24190_charger.c @@ -965,7 +965,7 @@ static int bq24190_charger_get_precharge(struct bq24190_dev_info *bdi, union power_supply_propval *val) { u8 v; - int ret; + int curr, ret; ret = bq24190_read_mask(bdi, BQ24190_REG_PCTCC, BQ24190_REG_PCTCC_IPRECHG_MASK, @@ -973,7 +973,20 @@ static int bq24190_charger_get_precharge(struct bq24190_dev_info *bdi, if (ret < 0) return ret; - val->intval = ++v * 128 * 1000; + curr = ++v * 128 * 1000; + + ret = bq24190_read_mask(bdi, BQ24190_REG_CCC, + BQ24190_REG_CCC_FORCE_20PCT_MASK, + BQ24190_REG_CCC_FORCE_20PCT_SHIFT, &v); + if (ret < 0) + return ret; + + /* If FORCE_20PCT is enabled, then current is 50% of IPRECHG value */ + if (v) + curr /= 2; + + val->intval = curr; + return 0; } -- 2.34.1
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