ASoC: codecs: wcd937x: drop bogus container_of() error handling

The dev_to_sdw_dev() helper uses container_of() to return the containing
soundwire device structure of its pointer argument and will never return
NULL.

Fixes: 9be3ec1 ("ASoC: codecs: wcd937x: add wcd937x codec driver")
Cc: Prasad Kumpatla <prasad.kumpatla@oss.qualcomm.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://patch.msgid.link/20251219142715.19254-3-johan@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: jhovold

sound/soc/codecs/wcd937x.c

@@ -2763,11 +2763,6 @@ static int wcd937x_bind(struct device *dev)
 	wcd937x->sdw_priv[AIF1_CAP] = dev_get_drvdata(wcd937x->txdev);
 	wcd937x->sdw_priv[AIF1_CAP]->wcd937x = wcd937x;
 	wcd937x->tx_sdw_dev = dev_to_sdw_dev(wcd937x->txdev);
-	if (!wcd937x->tx_sdw_dev) {
-		dev_err(dev, "could not get txslave with matching of dev\n");
-		ret = -EINVAL;
-		goto err_put_txdev;
-	}
 
 	/*
 	 * As TX is the main CSR reg interface, which should not be suspended first.