[PATCH v2 2/2] ASoC: tas2562: Update shutdown GPIO property

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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@xxxxxx>
---

v2 - Set sdz_gpio to NULL if gpio property not present.

 sound/soc/codecs/tas2562.c | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/sound/soc/codecs/tas2562.c b/sound/soc/codecs/tas2562.c
index e74628061040..8a53633a3853 100644
--- a/sound/soc/codecs/tas2562.c
+++ b/sound/soc/codecs/tas2562.c
@@ -680,12 +680,25 @@ 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;
+		tas2562->sdz_gpio = NULL;
+		if (PTR_ERR(tas2562->sdz_gpio) == -EPROBE_DEFER)
 			return -EPROBE_DEFER;
+	}
+
+	/*
+	 * 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)) {
+			tas2562->sdz_gpio = NULL;
+			if (PTR_ERR(tas2562->sdz_gpio) == -EPROBE_DEFER)
+				return -EPROBE_DEFER;
 		}
 	}
 
-- 
2.27.0




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