[PATCH v1 2/2] power: supply: sbs-battery: Fall back to Li-ion battery type for bq20z75

From: Dmitry Osipenko
Date: Mon May 10 2021 - 18:09:42 EST


The older bq20z75 controller doesn't support reporting the battery type
and the type is Li-ion in this case.

Tested-by: Antoni Aloy Torrens <aaloytorrens@xxxxxxxxx> # TF101
Tested-by: Nikola Milosavljević <mnidza@xxxxxxxxxxx> # TF101
Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
---
drivers/power/supply/sbs-battery.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/power/supply/sbs-battery.c b/drivers/power/supply/sbs-battery.c
index b71fbf543428..fec6c139d4ff 100644
--- a/drivers/power/supply/sbs-battery.c
+++ b/drivers/power/supply/sbs-battery.c
@@ -813,9 +813,17 @@ static int sbs_get_chemistry(struct i2c_client *client,
else
val->intval = POWER_SUPPLY_TECHNOLOGY_UNKNOWN;

- if (val->intval == POWER_SUPPLY_TECHNOLOGY_UNKNOWN)
+ if (val->intval == POWER_SUPPLY_TECHNOLOGY_UNKNOWN) {
+ struct sbs_info *chip = i2c_get_clientdata(client);
+
dev_warn_once(&client->dev, "Unknown chemistry: %s\n", chemistry);

+ if (chip->flags & SBS_FLAGS_TI_BQ20ZX5) {
+ dev_warn_once(&client->dev, "Falling back to Li-ion\n");
+ val->intval = POWER_SUPPLY_TECHNOLOGY_LION;
+ }
+ }
+
return 0;
}

--
2.30.2