[PATCH 3/3] ASoC: soc-component: Update handling to component delays

[Charles Keepax]

Currently the checking for if a component sits on the CPU or CODEC side
of the DAI link is done with a helper function that checks if the
component defines legacy_dai_naming. However, there are already a couple
of CPU side components that explicitly opt in to non-legacy DAI naming
and it doesn't seem like a very robust solution. Rather than looking for
the flag check if the component is attached to any of the CODEC DAIs on
the DAI link. This is more robust and helps to bring the core further in
the direction of a component being a generic block rather than being
classified as platform or CODEC drivers.

Signed-off-by: Charles Keepax <ckeepax at opensource.cirrus.com>
---
 sound/soc/soc-component.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/sound/soc/soc-component.c b/sound/soc/soc-component.c
index c0664f94990c8..e12f8244242b9 100644
--- a/sound/soc/soc-component.c
+++ b/sound/soc/soc-component.c
@@ -932,6 +932,20 @@ int snd_soc_pcm_component_pointer(struct snd_pcm_substream *substream)
 	return 0;
 }
 
+static bool snd_soc_component_is_codec_on_rtd(struct snd_soc_pcm_runtime *rtd,
+					      struct snd_soc_component *component)
+{
+	struct snd_soc_dai *dai;
+	int i;
+
+	for_each_rtd_codec_dais(rtd, i, dai) {
+		if (dai->component == component)
+			return true;
+	}
+
+	return false;
+}
+
 void snd_soc_pcm_component_delay(struct snd_pcm_substream *substream,
 				 snd_pcm_sframes_t *cpu_delay,
 				 snd_pcm_sframes_t *codec_delay)
@@ -953,7 +967,7 @@ void snd_soc_pcm_component_delay(struct snd_pcm_substream *substream,
 
 		delay = component->driver->delay(component, substream);
 
-		if (snd_soc_component_is_codec(component))
+		if (snd_soc_component_is_codec_on_rtd(rtd, component))
 			*codec_delay = max(*codec_delay, delay);
 		else
 			*cpu_delay = max(*cpu_delay, delay);
-- 
2.30.2