From 204e309fad75c8474a80a01408948de72b4def32 Mon Sep 17 00:00:00 2001
From: Aditya Bavanari <abavanar@codeaurora.org>
Date: Thu, 16 Apr 2020 11:16:12 +0530
Subject: [PATCH] soc: pinctrl-lpi: Add 100msec before resetting hw votes

Add 100msec delay before resetting hw vote counts in
SSR up sequence in order to ensure AVS is up when
votes are requested.

Change-Id: I0f46c60555f6bf833b1cac76f86a54afdcb78ba0
Signed-off-by: Aditya Bavanari <abavanar@codeaurora.org>
---
 soc/pinctrl-lpi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/soc/pinctrl-lpi.c b/soc/pinctrl-lpi.c
index b9699c6a580b..03d911288077 100644
--- a/soc/pinctrl-lpi.c
+++ b/soc/pinctrl-lpi.c
@@ -15,6 +15,7 @@
 #include <linux/types.h>
 #include <linux/clk.h>
 #include <linux/bitops.h>
+#include <linux/delay.h>
 #include <soc/snd_event.h>
 #include <dsp/digital-cdc-rsc-mgr.h>
 #include <linux/pm_runtime.h>
@@ -489,6 +490,8 @@ static int lpi_notifier_service_cb(struct notifier_block *this,
 
 		/* Reset HW votes after SSR */
 		if (!lpi_dev_up) {
+			/* Add 100ms sleep to ensure AVS is up after SSR */
+			msleep(100);
 			if (state->lpass_core_hw_vote)
 				digital_cdc_rsc_mgr_hw_vote_reset(
 					state->lpass_core_hw_vote);