diff options
| author | Marek Vasut <marex@denx.de> | 2022-10-14 20:24:21 +0300 |
|---|---|---|
| committer | Sebastian Reichel <sebastian.reichel@collabora.com> | 2022-10-29 02:40:30 +0300 |
| commit | ef1ca2102e9c546a507ed43994f5dd022f7a80d3 (patch) | |
| tree | 704cb6cb19427ec8463672c7045e350504d3a108 /drivers/power | |
| parent | 03b33d4ac41e4d0bb3e4654f21e06caba4ccb400 (diff) | |
| download | linux-ef1ca2102e9c546a507ed43994f5dd022f7a80d3.tar.xz | |
power: supply: bq25890: Document POWER_SUPPLY_PROP_CURRENT_NOW
Document that POWER_SUPPLY_PROP_CURRENT_NOW really does refer to ADC-sampled
immediate battery charge current I_BAT , since the meaning is not clear with
all the currents which might be measured by charger chips.
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | drivers/power/supply/bq25890_charger.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/power/supply/bq25890_charger.c b/drivers/power/supply/bq25890_charger.c index 6020b58c641d..1298d5720aa4 100644 --- a/drivers/power/supply/bq25890_charger.c +++ b/drivers/power/supply/bq25890_charger.c @@ -588,7 +588,14 @@ static int bq25890_power_supply_get_property(struct power_supply *psy, val->intval = 2304000 + ret * 20000; break; - case POWER_SUPPLY_PROP_CURRENT_NOW: + case POWER_SUPPLY_PROP_CURRENT_NOW: /* I_BAT now */ + /* + * This is ADC-sampled immediate charge current supplied + * from charger to battery. The property name is confusing, + * for clarification refer to: + * Documentation/ABI/testing/sysfs-class-power + * /sys/class/power_supply/<supply_name>/current_now + */ ret = bq25890_field_read(bq, F_ICHGR); /* read measured value */ if (ret < 0) return ret; |