diff options
| author | Charles Keepax <ckeepax@opensource.wolfsonmicro.com> | 2013-04-18 12:02:38 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2013-04-21 09:53:43 +0200 |
| commit | daa2db59ce7e36011a6c92a0342cd0919b9fb7d3 (patch) | |
| tree | 30238f3c030a82cdb2f41e8d43dc7bbf81198668 /sound/soc/soc-compress.c | |
| parent | ALSA: compress_core: Add support for capture streams (diff) | |
| download | linux-daa2db59ce7e36011a6c92a0342cd0919b9fb7d3.tar.xz linux-daa2db59ce7e36011a6c92a0342cd0919b9fb7d3.zip | |
ASoC: soc-compress: Deduce stream direction
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>
Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/soc/soc-compress.c')
| -rw-r--r-- | 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 da83e5658f62..3853f7eb3f28 100644 --- a/sound/soc/soc-compress.c +++ b/sound/soc/soc-compress.c @@ -384,7 +384,14 @@ 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"); |