commit 95712bc373cded8b676210ebb59a4be9c60bbb7b
author Sudheer Papothi <spapothi@codeaurora.org> Sat May 16 11:50:48 2020 +0530
committer Gerrit - the friendly Code Review server <code-review@localhost> Mon Sep 07 01:23:24 2020 -0700
tree 98da0b7e6f3e903f06d63d87ccba47ba3fb55853
parent 908583ff00ed2b342fffc388e0a15693c2801bb4

ASoC: wsa883x: Update register sequence to reduce CnP

Update register sequence of WSA883x codec to reduce CnP
during bringup and teardown of speaker path.

Change-Id: I348a55e1324b5c26a36b8d7c78edf52a66e40381
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>

asoc/codecs/wsa883x/wsa883x.c

diff --git a/asoc/codecs/wsa883x/wsa883x.c b/asoc/codecs/wsa883x/wsa883x.c
index 3a319c7..8a5e99e 100644
--- a/asoc/codecs/wsa883x/wsa883x.c
+++ b/asoc/codecs/wsa883x/wsa883x.c
@@ -108,6 +108,7 @@
 	{WSA883X_ADC_7, 0x04, 0x04},
 	{WSA883X_ADC_7, 0x02, 0x02},
 	{WSA883X_CKWD_CTL_0, 0x60, 0x00},
+	{WSA883X_DRE_CTL_1, 0x3E, 0x20},
 	{WSA883X_CKWD_CTL_1, 0x1F, 0x1B},
 	{WSA883X_GMAMP_SUP1, 0x60, 0x60},
 };
@@ -986,6 +987,12 @@
 		swr_slvdev_datapath_control(wsa883x->swr_slave,
 					    wsa883x->swr_slave->dev_num,
 					    true);
+		/* Added delay as per HW sequence */
+		usleep_range(250, 300);
+		snd_soc_component_update_bits(component, WSA883X_DRE_CTL_1,
+						0x01, 0x01);
+		/* Added delay as per HW sequence */
+		usleep_range(250, 300);
 		/* Force remove group */
 		swr_remove_from_group(wsa883x->swr_slave,
 				      wsa883x->swr_slave->dev_num);
@@ -1393,6 +1400,13 @@
 						0x01, 0x01);
 			wcd_enable_irq(&wsa883x->irq_info,
 					WSA883X_IRQ_INT_PDM_WD);
+			/* Added delay as per HW sequence */
+			usleep_range(3000, 3100);
+			snd_soc_component_update_bits(wsa883x->component,
+						WSA883X_DRE_CTL_1,
+						0x01, 0x00);
+			/* Added delay as per HW sequence */
+			usleep_range(5000, 5050);
 		}
 		break;
 	case BOLERO_WSA_EVT_PA_ON_POST_FSCLK_ADIE_LB: