asoc: wcd939x: for PCM mode no need to enbale PDM interrupts

For PCM mode no need to enbale PDM interrupts, so add condition
to skip for register of PDM interrupts. Also avoid unwanted register
writes for PCM mode.

Change-Id: I4675a7ffe94d1f8628a4f539829f5aa83544cf8d
Signed-off-by: Prasad Kumpatla <[email protected]>

asoc/codecs/wcd939x/wcd939x.c

@@ -1305,7 +1305,8 @@ static int wcd939x_codec_enable_hphr_pa(struct snd_soc_dapm_widget *w,
 		wcd_clsh_set_hph_mode(component, CLS_H_HIFI);
 		if (hph_mode == CLS_H_LP || hph_mode == CLS_H_LOHIFI ||
 		    hph_mode == CLS_H_ULP) {
-			snd_soc_component_update_bits(component,
+			if (!wcd939x->hph_pcm_enabled)
+				snd_soc_component_update_bits(component,
 					REG_FIELD_VALUE(REFBUFF_LP_CTL, PREREF_FILT_BYPASS, 0x01));
 		}
 		snd_soc_component_update_bits(component,
@@ -1331,7 +1332,8 @@ static int wcd939x_codec_enable_hphr_pa(struct snd_soc_dapm_widget *w,
 			if (hph_mode == CLS_H_LP ||
 			    hph_mode == CLS_H_LOHIFI ||
 			    hph_mode == CLS_H_ULP)
-				snd_soc_component_update_bits(component,
+				if (!wcd939x->hph_pcm_enabled)
+					snd_soc_component_update_bits(component,
 						REG_FIELD_VALUE(REFBUFF_LP_CTL, PREREF_FILT_BYPASS, 0x00));
 			clear_bit(HPH_PA_DELAY, &wcd939x->status_mask);
 		}
@@ -1345,7 +1347,9 @@ static int wcd939x_codec_enable_hphr_pa(struct snd_soc_dapm_widget *w,
 			wcd939x->update_wcd_event(wcd939x->handle,
 						SLV_BOLERO_EVT_RX_MUTE,
 						(WCD_RX2 << 0x10));
-		wcd_enable_irq(&wcd939x->irq_info,
+		/*Enable PDM INT for PDM data path only*/
+		if (!wcd939x->hph_pcm_enabled)
+			wcd_enable_irq(&wcd939x->irq_info,
 					WCD939X_IRQ_HPHR_PDM_WD_INT);
 		break;
 	case SND_SOC_DAPM_PRE_PMD:
@@ -1440,7 +1444,8 @@ static int wcd939x_codec_enable_hphl_pa(struct snd_soc_dapm_widget *w,
 		wcd_clsh_set_hph_mode(component, CLS_H_HIFI);
 		if (hph_mode == CLS_H_LP || hph_mode == CLS_H_LOHIFI ||
 		    hph_mode == CLS_H_ULP) {
-			snd_soc_component_update_bits(component,
+			if (!wcd939x->hph_pcm_enabled)
+				snd_soc_component_update_bits(component,
 					REG_FIELD_VALUE(REFBUFF_LP_CTL, PREREF_FILT_BYPASS, 0x01));
 		}
 		snd_soc_component_update_bits(component,
@@ -1466,8 +1471,9 @@ static int wcd939x_codec_enable_hphl_pa(struct snd_soc_dapm_widget *w,
 			if (hph_mode == CLS_H_LP ||
 			    hph_mode == CLS_H_LOHIFI ||
 			    hph_mode == CLS_H_ULP)
-				snd_soc_component_update_bits(component,
-					REG_FIELD_VALUE(REFBUFF_LP_CTL, PREREF_FILT_BYPASS, 0x00));
+				if (!wcd939x->hph_pcm_enabled)
+					snd_soc_component_update_bits(component,
+						REG_FIELD_VALUE(REFBUFF_LP_CTL, PREREF_FILT_BYPASS, 0x00));
 			clear_bit(HPH_PA_DELAY, &wcd939x->status_mask);
 		}
 		snd_soc_component_update_bits(component,
@@ -1480,7 +1486,9 @@ static int wcd939x_codec_enable_hphl_pa(struct snd_soc_dapm_widget *w,
 			wcd939x->update_wcd_event(wcd939x->handle,
 						SLV_BOLERO_EVT_RX_MUTE,
 						(WCD_RX1 << 0x10));
-		wcd_enable_irq(&wcd939x->irq_info,
+		/*Enable PDM INT for PDM data path only*/
+		if (!wcd939x->hph_pcm_enabled)
+			wcd_enable_irq(&wcd939x->irq_info,
 					WCD939X_IRQ_HPHL_PDM_WD_INT);
 		break;
 	case SND_SOC_DAPM_PRE_PMD: