[alsa-devel] [PATCH 1/4] ASoC: fsl_esai: Add stream names for DPCM usage

[Nicolin Chen]

DPCM needs extra dapm routes in the machine driver to route audio
between Front-End and Back-End. In order to differ the stream names
in the route map from CODECs, we here add specific stream names to
ESAI driver so that we can implement ASRC via DPCM to it.

Signed-off-by: Nicolin Chen <nicoleotsuka at gmail.com>
---
 sound/soc/fsl/fsl_esai.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/soc/fsl/fsl_esai.c b/sound/soc/fsl/fsl_esai.c
index d719caf..72d154e 100644
--- a/sound/soc/fsl/fsl_esai.c
+++ b/sound/soc/fsl/fsl_esai.c
@@ -624,12 +624,14 @@ static int fsl_esai_dai_probe(struct snd_soc_dai *dai)
 static struct snd_soc_dai_driver fsl_esai_dai = {
 	.probe = fsl_esai_dai_probe,
 	.playback = {
+		.stream_name = "CPU-Playback",
 		.channels_min = 1,
 		.channels_max = 12,
 		.rates = FSL_ESAI_RATES,
 		.formats = FSL_ESAI_FORMATS,
 	},
 	.capture = {
+		.stream_name = "CPU-Capture",
 		.channels_min = 1,
 		.channels_max = 8,
 		.rates = FSL_ESAI_RATES,
-- 
1.8.4