From 1e9de42f4324b91ce2e9da0939cab8fc6ae93893 Mon Sep 17 00:00:00 2001
From: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Date: Tue, 7 Jan 2014 17:51:42 +0000
Subject: ASoC: dpcm: Explicitly set BE DAI link supported stream directions
Some BE DAIs can be "dummy" (when the DSP is controlling the DAI) and as such
wont have set a minimum number of playback or capture channels required for BE
DAI registration (to establish supported stream directions).
Force machine drivers to explicitly set whether they support playback and capture
stream directions for every BE DAIs.
Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
---
include/sound/soc.h | 4 ++++
1 file changed, 4 insertions(+)
(limited to 'include')
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 1f741cb24f33..a5ef14f06124 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -886,6 +886,10 @@ struct snd_soc_dai_link {
/* This DAI link can route to other DAI links at runtime (Frontend)*/
unsigned int dynamic:1;
+ /* DPCM capture and Playback support */
+ unsigned int dpcm_capture:1;
+ unsigned int dpcm_playback:1;
+
/* pmdown_time is ignored at stop */
unsigned int ignore_pmdown_time:1;
--
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