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[3/5] ASoC: wm_adsp: Ensure DSP boot work complete before preloader_put return

Message ID 20180719105039.28312-3-ckeepax@opensource.cirrus.com (mailing list archive)
State Accepted
Commit 868e49a4a00afaca07d2c450a02e49581eaece6c
Headers show

Commit Message

Charles Keepax July 19, 2018, 10:50 a.m. UTC 
From: Stuart Henderson <stuarth@opensource.cirrus.com>

All controls derived from the loaded firmware should be created prior
to returning from the preloader's put function, such that they are
immediately available to user-space.

Signed-off-by: Stuart Henderson <stuarth@opensource.cirrus.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
---
 sound/soc/codecs/wm_adsp.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index eec73c98a141..e823a84b5ac2 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -2685,6 +2685,8 @@  int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol,
 
 	snd_soc_dapm_sync(dapm);
 
+	flush_work(&dsp->boot_work);
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(wm_adsp2_preloader_put);