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ASoC: dapm: Check for NULL widget in dapm_update_dai_unlocked

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

Fixes: 078a85f280 ("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>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Charles Keepax 2019-02-06 11:13:59 +00:00 committed by Mark Brown
parent 0f747bb273
commit cf17a5ffd2
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1 changed files with 3 additions and 0 deletions
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3
sound/soc/soc-dapm.c
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@ -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");