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Commit 44b7a960 authored by Ramprasad Katkam's avatar Ramprasad Katkam Committed by Gerrit - the friendly Code Review server
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soc: swr-mstr: Hold suspend during hw wakeup interrupt 



Hold system suspend when hardware wakeup interrupt is
received to resume soundwire master.

Change-Id: I99a58aa7d28cfa514d72bacc8c6fc6e95fbe038a
Signed-off-by: default avatarRamprasad Katkam <katkam@codeaurora.org>
parent b4c7c680

soc/swr-mstr-ctrl.c

+6 −1
Original line number Diff line number Diff line
@@ -1430,12 +1430,17 @@ static irqreturn_t swrm_wakeup_interrupt(int irq, void *dev) 
		return ret;

	}

	mutex_unlock(&swrm->devlock);

	if (unlikely(swrm_lock_sleep(swrm) == false)) {

		dev_err(swrm->dev, "%s Failed to hold suspend\n", __func__);

		goto exit;

	}

	if (swrm->wake_irq > 0)

		disable_irq_nosync(swrm->wake_irq);

	pm_runtime_get_sync(swrm->dev);

	pm_runtime_mark_last_busy(swrm->dev);

	pm_runtime_put_autosuspend(swrm->dev);



	swrm_unlock_sleep(swrm);

exit:

	return ret;

}