From 921b95f9a22630ab45a328dc66f310b28e82fb61 Mon Sep 17 00:00:00 2001
From: Meng Wang <mwang@codeaurora.org>
Date: Wed, 27 Sep 2017 15:29:03 +0800
Subject: [PATCH] audio-lnx: soc: pinctrl-lpi: fix rmmod issues

Deregister lpi with audio notifier when removing driver to
avoid crash when rmmod and insmod again.

Change-Id: Ibcaf272e6405ef8403b3ac66af5572050fa1092e
Signed-off-by: Meng Wang <mwang@codeaurora.org>
---
 soc/pinctrl-lpi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/soc/pinctrl-lpi.c b/soc/pinctrl-lpi.c
index 1e7ead817399..836ab49f6893 100644
--- a/soc/pinctrl-lpi.c
+++ b/soc/pinctrl-lpi.c
@@ -622,6 +622,7 @@ static int lpi_pinctrl_remove(struct platform_device *pdev)
 {
 	struct lpi_gpio_state *state = platform_get_drvdata(pdev);
 
+	audio_notifier_deregister("lpi_tlmm");
 	gpiochip_remove(&state->chip);
 	return 0;
 }