We must init the delayed_work for codec-codec links otherwise shutting down the DAI chain will fault when calling flush_delayed_work_sync() on the linked DAI.
Signed-off-by: Richard Fitzgerald rf@opensource.wolfsonmicro.com --- sound/soc/soc-core.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 4489c5b..450dbf4 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -530,6 +530,10 @@ static int soc_ac97_dev_register(struct snd_soc_codec *codec) } #endif
+static void codec2codec_close_delayed_work(struct work_struct *work) +{ +} + #ifdef CONFIG_PM_SLEEP /* powers down audio subsystem for suspend */ int snd_soc_suspend(struct device *dev) @@ -1428,6 +1432,9 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order) return ret; } } else { + INIT_DELAYED_WORK(&rtd->delayed_work, + codec2codec_close_delayed_work); + /* link the DAI widgets */ play_w = codec_dai->playback_widget; capture_w = cpu_dai->capture_widget;