[PATCH v2 01/23] ASoC: tas2552: Make the enable-gpio really optional

[Peter Ujfalusi <peter.ujfalusi@ti.com>]

Do not fail the probe if the enable-gpio is not specifiedbut handle
deferred probe case.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
---
 sound/soc/codecs/tas2552.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c
index dfb4ff5cc9ea..ff82f46ba504 100644
--- a/sound/soc/codecs/tas2552.c
+++ b/sound/soc/codecs/tas2552.c
@@ -486,8 +486,12 @@ static int tas2552_probe(struct i2c_client *client,
 		return -ENOMEM;
 
 	data->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);
-	if (IS_ERR(data->enable_gpio))
-		return PTR_ERR(data->enable_gpio);
+	if (IS_ERR(data->enable_gpio)) {
+		if (PTR_ERR(data->enable_gpio) == -EPROBE_DEFER)
+			return -EPROBE_DEFER;
+
+		data->enable_gpio = NULL;;
+	}
 
 	data->tas2552_client = client;
 	data->regmap = devm_regmap_init_i2c(client, &tas2552_regmap_config);
-- 
2.4.2