ASoC: codecs: wcdxxxx: use sdw_slave_get_current_bank helper

use sdw_slave_get_current_bank() helper function, rather than duplicating
this function in every codec driver.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Acked-by: Vinod Koul <vkoul@kernel.org>
Link: https://patch.msgid.link/20250909121954.225833-7-srinivas.kandagatla@oss.qualcomm.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: Srinivas Kandagatla

sound/soc/codecs/wcd938x-sdw.c

@@ -82,16 +82,6 @@ static struct sdw_dpn_prop wcd938x_dpn_prop[WCD938X_MAX_SWR_PORTS] = {
 	}
 };
 
-int wcd938x_swr_get_current_bank(struct sdw_slave *sdev)
-{
-	int bank;
-
-	bank  = sdw_read(sdev, SDW_SCP_CTRL);
-
-	return ((bank & 0x40) ? 1 : 0);
-}
-EXPORT_SYMBOL_GPL(wcd938x_swr_get_current_bank);
-
 int wcd938x_sdw_hw_params(struct wcd938x_sdw_priv *wcd,
 			  struct snd_pcm_substream *substream,
 			  struct snd_pcm_hw_params *params,

sound/soc/codecs/wcd938x.c

@@ -1094,8 +1094,7 @@ static int wcd938x_tx_swr_ctrl(struct snd_soc_dapm_widget *w,
 	int bank;
 	int rate;
 
-	bank = (wcd938x_swr_get_current_bank(wcd938x->sdw_priv[AIF1_CAP]->sdev)) ? 0 : 1;
-	bank = bank ? 0 : 1;
+	bank = sdw_slave_get_current_bank(wcd938x->sdw_priv[AIF1_CAP]->sdev);
 
 	switch (event) {
 	case SND_SOC_DAPM_PRE_PMU:

sound/soc/codecs/wcd938x.h

@@ -669,9 +669,6 @@ int wcd938x_sdw_hw_params(struct wcd938x_sdw_priv *wcd,
 			  struct snd_pcm_substream *substream,
 			  struct snd_pcm_hw_params *params,
 			  struct snd_soc_dai *dai);
-
-int wcd938x_swr_get_current_bank(struct sdw_slave *sdev);
-
 #else
 
 static inline int wcd938x_sdw_free(struct wcd938x_sdw_priv *wcd,
@@ -696,9 +693,5 @@ static inline int wcd938x_sdw_hw_params(struct wcd938x_sdw_priv *wcd,
 	return -EOPNOTSUPP;
 }
 
-static inline int wcd938x_swr_get_current_bank(struct sdw_slave *sdev)
-{
-	return 0;
-}
 #endif /* CONFIG_SND_SOC_WCD938X_SDW */
 #endif /* __WCD938X_H__ */

sound/soc/codecs/wcd939x-sdw.c

@@ -128,13 +128,6 @@ static struct sdw_dpn_prop wcd939x_tx_dpn_prop[WCD939X_MAX_TX_SWR_PORTS] = {
 	}
 };
 
-unsigned int wcd939x_swr_get_current_bank(struct sdw_slave *sdev)
-{
-	return FIELD_GET(SDW_SCP_STAT_CURR_BANK,
-			 sdw_read(sdev, SDW_SCP_CTRL));
-}
-EXPORT_SYMBOL_GPL(wcd939x_swr_get_current_bank);
-
 int wcd939x_sdw_hw_params(struct wcd939x_sdw_priv *wcd,
 			  struct snd_pcm_substream *substream,
 			  struct snd_pcm_hw_params *params,

sound/soc/codecs/wcd939x.c

@@ -1017,7 +1017,7 @@ static int wcd939x_tx_swr_ctrl(struct snd_soc_dapm_widget *w,
 	int bank;
 	int rate;
 
-	bank = wcd939x_swr_get_current_bank(wcd939x->sdw_priv[AIF1_CAP]->sdev);
+	bank = sdw_slave_get_current_bank(wcd939x->sdw_priv[AIF1_CAP]->sdev);
 
 	switch (event) {
 	case SND_SOC_DAPM_PRE_PMU:

sound/soc/codecs/wcd939x.h

@@ -930,8 +930,6 @@ int wcd939x_sdw_hw_params(struct wcd939x_sdw_priv *wcd,
 			  struct snd_pcm_hw_params *params,
 			  struct snd_soc_dai *dai);
 
-unsigned int wcd939x_swr_get_current_bank(struct sdw_slave *sdev);
-
 struct regmap *wcd939x_swr_get_regmap(struct wcd939x_sdw_priv *wcd);
 #else
 
@@ -957,11 +955,6 @@ static inline int wcd939x_sdw_hw_params(struct wcd939x_sdw_priv *wcd,
 	return -EOPNOTSUPP;
 }
 
-static inline unsigned int wcd939x_swr_get_current_bank(struct sdw_slave *sdev)
-{
-	return 0;
-}
-
 struct regmap *wcd939x_swr_get_regmap(struct wcd939x_sdw_priv *wcd)
 {
 	return PTR_ERR(-EINVAL);