[alsa-devel] [PATCH] [24/29] ALSA: dice: check clock change timeout

[Clemens Ladisch]

Output a warning if the wait for the clock change notification times
out.

Signed-off-by: Clemens Ladisch <clemens at ladisch.de>
---
 sound/firewire/dice.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/sound/firewire/dice.c b/sound/firewire/dice.c
index 61dd00c..3395c8b 100644
--- a/sound/firewire/dice.c
+++ b/sound/firewire/dice.c
@@ -551,8 +551,9 @@ static int dice_change_rate(struct dice *dice, unsigned int clock_rate)
 	if (err < 0)
 		return err;

-	wait_for_completion_timeout(&dice->clock_accepted,
-				    msecs_to_jiffies(100));
+	if (!wait_for_completion_timeout(&dice->clock_accepted,
+					 msecs_to_jiffies(100)))
+		dev_warn(&dice->unit->device, "clock change timed out\n");

 	return 0;
 }