ASoC: codecs: wcd939x: get regmap directly

for some reason we ended up with a boiler plate for dev_get_regmap in
wcd939x codec and started exporting a symbol for this. Remove this
redundant wrapper and direclty get regmap.

Signed-off-by: Srinivas Kandagatla <[e-mail]>
Reviewed-by: Dmitry Baryshkov <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

sound/soc/codecs/wcd939x-sdw.c

···
 }
 EXPORT_SYMBOL_GPL(wcd939x_sdw_set_sdw_stream);
 
-struct regmap *wcd939x_swr_get_regmap(struct wcd939x_sdw_priv *wcd)
-{
-	if (wcd->regmap)
-		return wcd->regmap;
-
-	return ERR_PTR(-EINVAL);
-}
-EXPORT_SYMBOL_GPL(wcd939x_swr_get_regmap);
-
 static int wcd9390_update_status(struct sdw_slave *slave,
 				 enum sdw_slave_status status)
 {

sound/soc/codecs/wcd939x.c

···
 	}
 
 	/* Get regmap from TX SoundWire device */
-	wcd939x->regmap = wcd939x_swr_get_regmap(wcd939x->sdw_priv[AIF1_CAP]);
-	if (IS_ERR(wcd939x->regmap)) {
+	wcd939x->regmap = wcd939x->sdw_priv[AIF1_CAP]->regmap;
+	if (!wcd939x->regmap) {
 		dev_err(dev, "could not get TX device regmap\n");
-		ret = PTR_ERR(wcd939x->regmap);
+		ret = -ENODEV;
 		goto err_remove_rx_link;
 	}
 

sound/soc/codecs/wcd939x.h

···
 			  struct snd_pcm_substream *substream,
 			  struct snd_pcm_hw_params *params,
 			  struct snd_soc_dai *dai);
-
-struct regmap *wcd939x_swr_get_regmap(struct wcd939x_sdw_priv *wcd);
 #else
 
 static inline int wcd939x_sdw_free(struct wcd939x_sdw_priv *wcd,
···
 	return -EOPNOTSUPP;
 }
 
-struct regmap *wcd939x_swr_get_regmap(struct wcd939x_sdw_priv *wcd)
-{
-	return PTR_ERR(-EINVAL);
-}
 #endif /* CONFIG_SND_SOC_WCD939X_SDW */
 
 #endif /* __WCD939X_H__ */