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authorJoel Stanley <joel@jms.id.au>2016-02-02 13:23:36 +1100
committerJoel Stanley <joel@jms.id.au>2016-02-02 13:23:42 +1100
commitf3f4aeb9ea8954c0da3cf0d12693f9a57f1f4ac7 (patch)
tree3663ab29736373c565d88e941162d37311cc3c75 /sound/soc/soc-compress.c
parent2a3f5f14fdf2e8fb680af168fa642ef8a9218ffb (diff)
parent849a2d3d9be31368559e6852cf64d749e6903818 (diff)
downloadtalos-obmc-linux-openbmc-20160202-1.tar.gz
talos-obmc-linux-openbmc-20160202-1.zip
Merge tag 'v4.3.5' into dev-4.3openbmc-20160202-1
This is the 4.3.5 stable release Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'sound/soc/soc-compress.c')
-rw-r--r--sound/soc/soc-compress.c23
1 files changed, 20 insertions, 3 deletions
diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c
index 025c38fbe3c0..1874cf0e6cab 100644
--- a/sound/soc/soc-compress.c
+++ b/sound/soc/soc-compress.c
@@ -623,6 +623,7 @@ int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
struct snd_pcm *be_pcm;
char new_name[64];
int ret = 0, direction = 0;
+ int playback = 0, capture = 0;
if (rtd->num_codecs > 1) {
dev_err(rtd->card->dev, "Multicodec not supported for compressed stream\n");
@@ -634,11 +635,27 @@ int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
rtd->dai_link->stream_name, codec_dai->name, num);
if (codec_dai->driver->playback.channels_min)
+ playback = 1;
+ if (codec_dai->driver->capture.channels_min)
+ capture = 1;
+
+ capture = capture && cpu_dai->driver->capture.channels_min;
+ playback = playback && cpu_dai->driver->playback.channels_min;
+
+ /*
+ * Compress devices are unidirectional so only one of the directions
+ * should be set, check for that (xor)
+ */
+ if (playback + capture != 1) {
+ dev_err(rtd->card->dev, "Invalid direction for compress P %d, C %d\n",
+ playback, capture);
+ return -EINVAL;
+ }
+
+ if(playback)
direction = SND_COMPRESS_PLAYBACK;
- else if (codec_dai->driver->capture.channels_min)
- direction = SND_COMPRESS_CAPTURE;
else
- return -EINVAL;
+ direction = SND_COMPRESS_CAPTURE;
compr = kzalloc(sizeof(*compr), GFP_KERNEL);
if (compr == NULL) {
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