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soc: pinctrl-lpi: Add 100msec before resetting hw votes

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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>
This commit is contained in:
Aditya Bavanari
2020-04-16 11:16:12 +05:30
committed by Gerrit - the friendly Code Review server
parent 8c500e2d43
commit 204e309fad
1 changed files with 3 additions and 0 deletions
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3
soc/pinctrl-lpi.c
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@@ -15,6 +15,7 @@
#include <linux/types.h> #include <linux/types.h>
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/bitops.h> #include <linux/bitops.h>
#include <linux/delay.h>
#include <soc/snd_event.h> #include <soc/snd_event.h>
#include <dsp/digital-cdc-rsc-mgr.h> #include <dsp/digital-cdc-rsc-mgr.h>
#include <linux/pm_runtime.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 */ /* Reset HW votes after SSR */
if (!lpi_dev_up) { if (!lpi_dev_up) {
/* Add 100ms sleep to ensure AVS is up after SSR */
msleep(100);
if (state->lpass_core_hw_vote) if (state->lpass_core_hw_vote)
digital_cdc_rsc_mgr_hw_vote_reset( digital_cdc_rsc_mgr_hw_vote_reset(
state->lpass_core_hw_vote); state->lpass_core_hw_vote);