[PATCH v3 2/2] ASoC: tas2562: Update shutdown GPIO property

[Dan Murphy <dmurphy@ti.com>]

Update the shutdown GPIO property to be shutdown from shut-down.

Fixes: c173dba44c2d2 ("ASoC: tas2562: Introduce the TAS2562 amplifier")
Signed-off-by: Dan Murphy <dmurphy@ti.com>
---
 sound/soc/codecs/tas2562.c | 23 ++++++++++++++++++-----
 1 file changed, 18 insertions(+), 5 deletions(-)

diff --git a/sound/soc/codecs/tas2562.c b/sound/soc/codecs/tas2562.c
index e74628061040..99920c691d28 100644
--- a/sound/soc/codecs/tas2562.c
+++ b/sound/soc/codecs/tas2562.c
@@ -680,13 +680,26 @@ static int tas2562_parse_dt(struct tas2562_data *tas2562)
 	struct device *dev = tas2562->dev;
 	int ret = 0;
 
-	tas2562->sdz_gpio = devm_gpiod_get_optional(dev, "shut-down",
-						    GPIOD_OUT_HIGH);
+	tas2562->sdz_gpio = devm_gpiod_get_optional(dev, "shutdown", GPIOD_OUT_HIGH);
 	if (IS_ERR(tas2562->sdz_gpio)) {
-		if (PTR_ERR(tas2562->sdz_gpio) == -EPROBE_DEFER) {
-			tas2562->sdz_gpio = NULL;
+		if (PTR_ERR(tas2562->sdz_gpio) == -EPROBE_DEFER)
 			return -EPROBE_DEFER;
-		}
+
+		tas2562->sdz_gpio = NULL;
+	}
+
+	/*
+	 * The shut-down property is deprecated but needs to be checked for
+	 * backwards compatibility.
+	 */
+	if (tas2562->sdz_gpio == NULL) {
+		tas2562->sdz_gpio = devm_gpiod_get_optional(dev, "shut-down",
+							      GPIOD_OUT_HIGH);
+		if (IS_ERR(tas2562->sdz_gpio))
+			if (PTR_ERR(tas2562->sdz_gpio) == -EPROBE_DEFER)
+				return -EPROBE_DEFER;
+
+		tas2562->sdz_gpio = NULL;
 	}
 
 	ret = fwnode_property_read_u32(dev->fwnode, "ti,imon-slot-no",
-- 
2.27.0