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asoc: Fix port collision interrupt in WSA

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During multiple PDR usecases, due to sync issues
port collision interrupt is observed.
set wsa state to device down  before cancelling the ocp
workqueue and bail out from the workqueue when wsa state
is set to device down.

Change-Id: Ibefb338c1d6d2901b8773928fa2c0c48b51ac6f7
Signed-off-by: Prasad Kumpatla <nkumpat@codeaurora.org>
This commit is contained in:
Prasad Kumpatla
2020-01-31 21:38:58 +05:30
committed by Gerrit - the friendly Code Review server
parent 93afa626ed
commit a804ab121b
5 changed files with 7 additions and 16 deletions
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9
asoc/codecs/wsa881x.c
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@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.
* Copyright (c) 2015-2020, The Linux Foundation. All rights reserved.
*/
#include <linux/module.h>
@@ -992,6 +992,9 @@ static void wsa881x_ocp_ctl_work(struct work_struct *work)
dwork = to_delayed_work(work);
wsa881x = container_of(dwork, struct wsa881x_priv, ocp_ctl_work);
if (wsa881x->state == WSA881X_DEV_DOWN)
return;
component = wsa881x->component;
wsa881x_get_temp(wsa881x->tz_pdata.tz_dev, &temp_val);
dev_dbg(component->dev, " temp = %d\n", temp_val);
@@ -1605,14 +1608,14 @@ static int wsa881x_swr_down(struct swr_device *pdev)
dev_err(&pdev->dev, "%s: wsa881x is NULL\n", __func__);
return -EINVAL;
}
if (delayed_work_pending(&wsa881x->ocp_ctl_work))
cancel_delayed_work_sync(&wsa881x->ocp_ctl_work);
ret = wsa881x_gpio_ctrl(wsa881x, false);
if (ret)
dev_err(&pdev->dev, "%s: Failed to disable gpio\n", __func__);
else
wsa881x->state = WSA881X_DEV_DOWN;
if (delayed_work_pending(&wsa881x->ocp_ctl_work))
cancel_delayed_work_sync(&wsa881x->ocp_ctl_work);
return ret;
}