diff options
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | drivers/power/supply/max17042_battery.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/power/supply/max17042_battery.c b/drivers/power/supply/max17042_battery.c index b2ddb7eb69c6..18a44e4ed6ff 100644 --- a/drivers/power/supply/max17042_battery.c +++ b/drivers/power/supply/max17042_battery.c @@ -1050,11 +1050,18 @@ static int max17042_probe(struct i2c_client *client, } if (client->irq) { + unsigned int flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT; + + /* + * On ACPI systems the IRQ may be handled by ACPI-event code, + * so we need to share (if the ACPI code is willing to share). + */ + if (acpi_id) + flags |= IRQF_SHARED | IRQF_PROBE_SHARED; + ret = devm_request_threaded_irq(&client->dev, client->irq, NULL, - max17042_thread_handler, - IRQF_TRIGGER_FALLING | - IRQF_ONESHOT, + max17042_thread_handler, flags, chip->battery->desc->name, chip); if (!ret) { @@ -1064,10 +1071,13 @@ static int max17042_probe(struct i2c_client *client, max17042_set_soc_threshold(chip, 1); } else { client->irq = 0; - dev_err(&client->dev, "%s(): cannot get IRQ\n", - __func__); + if (ret != -EBUSY) + dev_err(&client->dev, "Failed to get IRQ\n"); } } + /* Not able to update the charge threshold when exceeded? -> disable */ + if (!client->irq) + regmap_write(chip->regmap, MAX17042_SALRT_Th, 0xff00); regmap_read(chip->regmap, MAX17042_STATUS, &val); if (val & STATUS_POR_BIT) { |