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asoc: wcd938x: initialize micb lock mutex

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Micb lock which is used to synchronize micbias
control api is not initialized causing spin lock
errors. Initialize the mutex to avoid the issue.

Change-Id: I98c50fec8e8531333de643a85433d3e5973bfd14
Signed-off-by: Karthikeyan Mani <kmani@codeaurora.org>
This commit is contained in:
Karthikeyan Mani 2019-06-06 14:10:53 -07:00 • committed by Gerrit - the friendly Code Review server
commit 3dd19d0b73
1 changed files with 8 additions and 1 deletions
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9
asoc/codecs/wcd938x/wcd938x.c
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@ -2923,9 +2923,10 @@ static int wcd938x_probe(struct platform_device *pdev)
goto err;
}
mutex_init(&wcd938x->micb_lock);
ret = wcd938x_add_slave_components(dev, &match);
if (ret)
goto err;
goto err_lock_init;
wcd938x_reset(dev);
@ -2934,13 +2935,19 @@ static int wcd938x_probe(struct platform_device *pdev)
return component_master_add_with_match(dev,
&wcd938x_comp_ops, match);
err_lock_init:
mutex_destroy(&wcd938x->micb_lock);
err:
return ret;
}
static int wcd938x_remove(struct platform_device *pdev)
{
struct wcd938x_priv *wcd938x = NULL;
wcd938x = platform_get_drvdata(pdev);
component_master_del(&pdev->dev, &wcd938x_comp_ops);
mutex_destroy(&wcd938x->micb_lock);
dev_set_drvdata(&pdev->dev, NULL);
return 0;