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[01/21] ASoC: SOF: pci: mark last_busy value at runtime PM init

Message ID 20190722141402.7194-2-pierre-louis.bossart@linux.intel.com (mailing list archive)
State New, archived
Headers show
Series ASoC: SOF: updates for 5.4 | expand

Commit Message

Pierre-Louis Bossart July 22, 2019, 2:13 p.m. UTC 
From: Pan Xiuli <xiuli.pan@linux.intel.com>

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>
---
 sound/soc/sof/sof-pci-dev.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/sound/soc/sof/sof-pci-dev.c b/sound/soc/sof/sof-pci-dev.c
index 65d1bac4c6b8..6fd3df7c57a3 100644
--- a/sound/soc/sof/sof-pci-dev.c
+++ b/sound/soc/sof/sof-pci-dev.c
@@ -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);
 }