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 | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 4489c5b..c57d5f1 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -530,6 +530,15 @@ static int soc_ac97_dev_register(struct snd_soc_codec
*codec)
}
#endif
+static void codec2codec_close_delayed_work(struct work_struct *work)
+{
+ /* Currently nothing to do for c2c links
+ * Since c2c links are internal nodes in the DAPM graph and
+ * don't interface with the outside world or application layer
+ * we don't have to do any special handling on close.
+ */
+}
+
#ifdef CONFIG_PM_SLEEP
/* powers down audio subsystem for suspend */
int snd_soc_suspend(struct device *dev)
@@ -1428,6 +1437,9 @@ 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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
