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authorMark Brown <broonie@kernel.org>2016-02-05 19:31:44 +0000
committerMark Brown <broonie@kernel.org>2016-02-05 19:31:44 +0000
commitaf1d34c770588a9ec6041292b7cd08e2fbc4f3a3 (patch)
treef331af86ca3192aaf0a506fb4c55b05db07a1eb1 /sound/soc/soc-compress.c
parentc228c8e94b9e56032d475abc8f5978a73ac3f699 (diff)
parent757bcff73ad4726504a3f40d12a970a593249350 (diff)
Merge tag 'v3.14.60' into linux-linaro-lsk-v3.14lsk-v3.14-16.02
This is the 3.14.60 stable release # gpg: Signature made Fri 29 Jan 2016 06:00:43 GMT using RSA key ID 6092693E # gpg: Good signature from "Greg Kroah-Hartman (Linux kernel stable release signing key) <greg@kroah.com>" # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 647F 2865 4894 E3BD 4571 99BE 38DB BDC8 6092 693E
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 4f98ff14cf12..e5601f9a7bd7 100644
--- a/sound/soc/soc-compress.c
+++ b/sound/soc/soc-compress.c
@@ -665,17 +665,34 @@ 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;
/* check client and interface hw capabilities */
snprintf(new_name, sizeof(new_name), "%s %s-%d",
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) {