korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-15 23:14:31 +08:00
Code Issues Packages Projects Releases Wiki Activity

power: supply: bq25890: Document POWER_SUPPLY_PROP_CURRENT_NOW

Browse Source 
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>
This commit is contained in:
Marek Vasut 2022-10-14 19:24:21 +02:00 committed by Sebastian Reichel
parent 03b33d4ac4
commit ef1ca2102e
1 changed files with 8 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/power/supply/bq25890_charger.c
View File

@ -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;