[alsa-devel] [PATCH] ASoC: fsl_sai: support more than 2 channels

Alexandre Belloni alexandre.belloni at free-electrons.com
Fri Feb 10 19:42:43 CET 2017


The FSL SAI can support up to 32 channels using TDM. Report that value so
they can actually be used.

Tested using 8 channels.

Signed-off-by: Alexandre Belloni <alexandre.belloni at free-electrons.com>
---
 sound/soc/fsl/fsl_sai.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
index 9fadf7e31c5f..18e5ce81527d 100644
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -668,7 +668,7 @@ static struct snd_soc_dai_driver fsl_sai_dai = {
 	.playback = {
 		.stream_name = "CPU-Playback",
 		.channels_min = 1,
-		.channels_max = 2,
+		.channels_max = 32,
 		.rate_min = 8000,
 		.rate_max = 192000,
 		.rates = SNDRV_PCM_RATE_KNOT,
@@ -677,7 +677,7 @@ static struct snd_soc_dai_driver fsl_sai_dai = {
 	.capture = {
 		.stream_name = "CPU-Capture",
 		.channels_min = 1,
-		.channels_max = 2,
+		.channels_max = 32,
 		.rate_min = 8000,
 		.rate_max = 192000,
 		.rates = SNDRV_PCM_RATE_KNOT,
-- 
2.11.0



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