Previously we just hard coded all streams as playback streams, this patch checks the DAI to see if it is a capture or playback stream. It is worth noting that at this time only unidirectional streams are supported.
Signed-off-by: Charles Keepax ckeepax@opensource.wolfsonmicro.com --- sound/soc/soc-compress.c | 9 ++++++++- 1 files changed, 8 insertions(+), 1 deletions(-)
diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c index d3f03f6..e16ce86 100644 --- a/sound/soc/soc-compress.c +++ b/sound/soc/soc-compress.c @@ -376,7 +376,14 @@ int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num) /* check client and interface hw capabilities */ snprintf(new_name, sizeof(new_name), "%s %s-%d", rtd->dai_link->stream_name, codec_dai->name, num); - direction = SND_COMPRESS_PLAYBACK; + + if (codec_dai->driver->playback.channels_min) + direction = SND_COMPRESS_PLAYBACK; + else if (codec_dai->driver->capture.channels_min) + direction = SND_COMPRESS_CAPTURE; + else + return -EINVAL; + compr = kzalloc(sizeof(*compr), GFP_KERNEL); if (compr == NULL) { snd_printk(KERN_ERR "Cannot allocate compr\n");