diff options
Diffstat (limited to 'drivers/input/touchscreen/zinitix.c')
| -rw-r--r-- | drivers/input/touchscreen/zinitix.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/input/touchscreen/zinitix.c b/drivers/input/touchscreen/zinitix.c index 1e70b8d2a8d7..7c82c4f5fa6b 100644 --- a/drivers/input/touchscreen/zinitix.c +++ b/drivers/input/touchscreen/zinitix.c @@ -252,16 +252,27 @@ static int zinitix_init_touch(struct bt541_ts_data *bt541) static int zinitix_init_regulators(struct bt541_ts_data *bt541) { - struct i2c_client *client = bt541->client; + struct device *dev = &bt541->client->dev; int error; - bt541->supplies[0].supply = "vdd"; - bt541->supplies[1].supply = "vddo"; - error = devm_regulator_bulk_get(&client->dev, + /* + * Some older device trees have erroneous names for the regulators, + * so check if "vddo" is present and in that case use these names. + * Else use the proper supply names on the component. + */ + if (of_find_property(dev->of_node, "vddo-supply", NULL)) { + bt541->supplies[0].supply = "vdd"; + bt541->supplies[1].supply = "vddo"; + } else { + /* Else use the proper supply names */ + bt541->supplies[0].supply = "vcca"; + bt541->supplies[1].supply = "vdd"; + } + error = devm_regulator_bulk_get(dev, ARRAY_SIZE(bt541->supplies), bt541->supplies); if (error < 0) { - dev_err(&client->dev, "Failed to get regulators: %d\n", error); + dev_err(dev, "Failed to get regulators: %d\n", error); return error; } @@ -560,6 +571,7 @@ static SIMPLE_DEV_PM_OPS(zinitix_pm_ops, zinitix_suspend, zinitix_resume); #ifdef CONFIG_OF static const struct of_device_id zinitix_of_match[] = { + { .compatible = "zinitix,bt532" }, { .compatible = "zinitix,bt541" }, { } }; |