ASoC: compress: Prevent multicodec for compressed stream
Multiple codecs does not make sense in the case of compressed
stream.
Exit with error if it happens.
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
Tested-by: Lars-Peter Clausen <lars@metafoo.de>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c
index f96fb96..27c06ac 100644
--- a/sound/soc/soc-compress.c
+++ b/sound/soc/soc-compress.c
@@ -629,6 +629,11 @@
char new_name[64];
int ret = 0, direction = 0;
+ if (rtd->num_codecs > 1) {
+ dev_err(rtd->card->dev, "Multicodec not supported for compressed stream\n");
+ return -EINVAL;
+ }
+
/* check client and interface hw capabilities */
snprintf(new_name, sizeof(new_name), "%s %s-%d",
rtd->dai_link->stream_name, codec_dai->name, num);