ASoC: tas2781: fix getting the wrong device number

The return value of device_property_read_u32_array used for getting the
property is the status instead of the number of the property.

Fixes: ef3bcde ("ASoC: tas2781: Add tas2781 driver")
Signed-off-by: Shenghao Ding <shenghao-ding@ti.com>
Link: https://patch.msgid.link/20251107054959.950-1-shenghao-ding@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: Shenghao-Ding

sound/soc/codecs/tas2781-i2c.c

@@ -1957,7 +1957,8 @@ static void tasdevice_parse_dt(struct tasdevice_priv *tas_priv)
 {
 	struct i2c_client *client = (struct i2c_client *)tas_priv->client;
 	unsigned int dev_addrs[TASDEVICE_MAX_CHANNELS];
-	int i, ndev = 0;
+	int ndev = 0;
+	int i, rc;
 
 	if (tas_priv->isacpi) {
 		ndev = device_property_read_u32_array(&client->dev,
@@ -1968,8 +1969,12 @@ static void tasdevice_parse_dt(struct tasdevice_priv *tas_priv)
 		} else {
 			ndev = (ndev < ARRAY_SIZE(dev_addrs))
 				? ndev : ARRAY_SIZE(dev_addrs);
-			ndev = device_property_read_u32_array(&client->dev,
+			rc = device_property_read_u32_array(&client->dev,
 				"ti,audio-slots", dev_addrs, ndev);
+			if (rc != 0) {
+				ndev = 1;
+				dev_addrs[0] = client->addr;
+			}
 		}
 
 		tas_priv->irq =