[PATCH v1] ASoC: tas2781: fix getting the wrong device number

[Shenghao Ding <shenghao-ding@ti.com>]

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: ef3bcde75d06 ("ASoC: tas2781: Add tas2781 driver")
Signed-off-by: Shenghao Ding <shenghao-ding@ti.com>
---
 sound/soc/codecs/tas2781-i2c.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/tas2781-i2c.c b/sound/soc/codecs/tas2781-i2c.c
index 8f853310649c..7bd98ff5a250 100644
--- a/sound/soc/codecs/tas2781-i2c.c
+++ b/sound/soc/codecs/tas2781-i2c.c
@@ -1958,7 +1958,8 @@ 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,
@@ -1969,8 +1970,12 @@ 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 =
-- 
2.43.0