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soc: swr-mstr: Ignore device up during SSR

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New audio session may be opened just before SSR
has occured. Ignore device up notification due to
new session during SSR as soundwire hardware is
not ready.

Change-Id: I06a558d0fa9e31ed6bbdfab80402ba7b337e7ad8
signed-off-by: Ramprasad Katkam <katkam@codeaurora.org>
This commit is contained in:
Ramprasad Katkam 2018-11-08 14:22:22 +05:30
parent 1face6aa6d
commit 0fed92f477
1 changed files with 7 additions and 0 deletions
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7
soc/swr-mstr-ctrl.c
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@ -2132,6 +2132,13 @@ int swrm_wcd_notify(struct platform_device *pdev, u32 id, void *data)
break;
case SWR_DEVICE_UP:
dev_dbg(swrm->dev, "%s: swr master up called\n", __func__);
mutex_lock(&swrm->devlock);
if (!swrm->dev_up) {
dev_dbg(swrm->dev, "SSR not complete yet\n");
mutex_unlock(&swrm->devlock);
return -EBUSY;
}
mutex_unlock(&swrm->devlock);
mutex_lock(&swrm->mlock);
pm_runtime_mark_last_busy(&pdev->dev);
pm_runtime_get_sync(&pdev->dev);