1 files changed, 26 insertions, 14 deletions

diff --git a/drivers/input/touchscreen/zinitix.c b/drivers/input/touchscreen/zinitix.c
index b8d901099378..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;
 	}
 
@@ -488,6 +499,15 @@ static int zinitix_ts_probe(struct i2c_client *client)
 		return error;
 	}
 
+	error = devm_request_threaded_irq(&client->dev, client->irq,
+					  NULL, zinitix_ts_irq_handler,
+					  IRQF_ONESHOT | IRQF_NO_AUTOEN,
+					  client->name, bt541);
+	if (error) {
+		dev_err(&client->dev, "Failed to request IRQ: %d\n", error);
+		return error;
+	}
+
 	error = zinitix_init_input_dev(bt541);
 	if (error) {
 		dev_err(&client->dev,
@@ -513,15 +533,6 @@ static int zinitix_ts_probe(struct i2c_client *client)
 		return -EINVAL;
 	}
 
-	error = devm_request_threaded_irq(&client->dev, client->irq,
-					  NULL, zinitix_ts_irq_handler,
-					  IRQF_ONESHOT | IRQF_NO_AUTOEN,
-					  client->name, bt541);
-	if (error) {
-		dev_err(&client->dev, "Failed to request IRQ: %d\n", error);
-		return error;
-	}
-
 	return 0;
 }
 
@@ -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" },
 	{ }
 };