Unverified Commit f1b1b9b1 authored Jul 22, 2019 by Pan Xiuli Committed by Mark Brown Jul 23, 2019

ASoC: SOF: pci: mark last_busy value at runtime PM init

If last_busy value is not set at runtime PM enable, the device will be
suspend immediately after usage counter is 0. Set the last_busy value to
make sure delay is working at first boot up.

Signed-off-by: Pan Xiuli <xiuli.pan@linux.intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20190722141402.7194-2-pierre-louis.bossart@linux.intel.com

Signed-off-by: Mark Brown <broonie@kernel.org>

parent f8f85216

sound/soc/sof/sof-pci-dev.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -223,6 +223,9 @@ static void sof_pci_probe_complete(struct device *dev)
		*/
		pm_runtime_allow(dev);

		/* mark last_busy for pm_runtime to make sure not suspend immediately */
		pm_runtime_mark_last_busy(dev);

		/* follow recommendation in pci-driver.c to decrement usage counter */
		pm_runtime_put_noidle(dev);
		}