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power: supply: bq27xxx: Add power_supply_battery_info support

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Previously there was no way to configure these chips in the event that the
defaults didn't match the battery in question.

For chips with RAM data memory (and also those with flash/NVM data memory
if CONFIG_BATTERY_BQ27XXX_DT_UPDATES_NVM is defined and the user has not
set module param dt_monitored_battery_updates_nvm=0) we now call
power_supply_get_battery_info(), check its values, and write battery
properties to chip data memory if there is a dm_regs table for the chip.

Signed-off-by: Matt Ranostay <matt@ranostay.consulting>
Signed-off-by: Liam Breck <kernel@networkimprov.net>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
This commit is contained in:
Liam Breck 2017-06-07 11:37:56 -07:00 • committed by Sebastian Reichel
parent 0670c9b358
commit ccce440956
3 changed files with 216 additions and 1 deletions
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2
include/linux/power/bq27xxx_battery.h
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@ -63,7 +63,9 @@ struct bq27xxx_device_info {
struct device *dev;
int id;
enum bq27xxx_chip chip;
bool ram_chip;
const char *name;
struct bq27xxx_dm_reg *dm_regs;
u32 unseal_key;
struct bq27xxx_access_methods bus;
struct bq27xxx_reg_cache cache;