DAIs linked to the dummy will not have an associated playback/capture widget, so we need to skip the update in that case.

Fixes: 078a85f2806f ("ASoC: dapm: Only power up active channels from a DAI") Reported-by: Krzysztof Kozlowski krzk@kernel.org Signed-off-by: Charles Keepax ckeepax@opensource.cirrus.com Tested-by: Sylwester Nawrocki s.nawrocki@samsung.com Tested-by: Krzysztof Kozlowski krzk@kernel.org --- sound/soc/soc-dapm.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 5b74dffc9c11d..111a23a9708a2 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -2580,6 +2580,9 @@ static int dapm_update_dai_unlocked(struct snd_pcm_substream *substream, else w = dai->capture_widget;

+ if (!w) + return 0; + dev_dbg(dai->dev, "Update DAI routes for %s %s\n", dai->name, dir == SNDRV_PCM_STREAM_PLAYBACK ? "playback" : "capture");