[PATCH] ASoC: Intel: broadwell: Revert SSP0 link to use dummy components

[Cezary Rojewski]

Commit:
"ASoC: Intel: broadwell: change cpu_dai and platform components for SOF

while enabling bdw on SOF, changed behavior for non-SOF solutions. In
essence replacing platform 'dummy' with actual 'platform' causes
redundant stream initialization to occur during audio start. hw_params
for haswell-pcm destroys initial stream right after its creation - only
to recreate it again from proceed from there.

While harmless so far, this flow ain't right and should be corrected.
The actual need for dummy components for SSP0 link is questionable but
that issue is subject for another series.

Link to first message in conversation:
https://lkml.org/lkml/2020/3/18/54

Reported-by: Dominik Brodowski <linux at dominikbrodowski.net>
Fixes: 64df6afa0dab ("ASoC: Intel: broadwell: change cpu_dai and platform components for SOF")
Signed-off-by: Cezary Rojewski <cezary.rojewski at intel.com>
---
 sound/soc/intel/boards/broadwell.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/sound/soc/intel/boards/broadwell.c b/sound/soc/intel/boards/broadwell.c
index 0776ea2d4f36..9b639475e99f 100644
--- a/sound/soc/intel/boards/broadwell.c
+++ b/sound/soc/intel/boards/broadwell.c
@@ -167,9 +167,6 @@ SND_SOC_DAILINK_DEF(codec,
 #if IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
 SND_SOC_DAILINK_DEF(ssp0_port,
 	    DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port")));
-#else
-SND_SOC_DAILINK_DEF(ssp0_port,
-	    DAILINK_COMP_ARRAY(COMP_DUMMY()));
 #endif
 
 /* broadwell digital audio interface glue - connects codec <--> CPU */
@@ -225,7 +222,11 @@ static struct snd_soc_dai_link broadwell_rt286_dais[] = {
 		.ops = &broadwell_rt286_ops,
 		.dpcm_playback = 1,
 		.dpcm_capture = 1,
+#if !IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
+		SND_SOC_DAILINK_REG(dummy, codec, dummy),
+#else
 		SND_SOC_DAILINK_REG(ssp0_port, codec, platform),
+#endif
 	},
 };
 
-- 
2.17.1