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 <r...@opensource.wolfsonmicro.com>
---
sound/soc/soc-core.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 4489c5b..e649efe 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -199,6 +199,14 @@ static ssize_t pmdown_time_set(struct device *dev,
return count;
}
+static void codec2codec_close_delayed_work(struct work_struct *work)
+{
+ /* No action required.
+ * C2C links only represent a hardware connection and currently
+ * we assume that we don't have to explicitly start or stop them
+ */
+}
+
static DEVICE_ATTR(pmdown_time, 0644, pmdown_time_show, pmdown_time_set);
#ifdef CONFIG_DEBUG_FS
@@ -1428,6 +1436,9 @@ 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;
--
1.7.2.5
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