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authorRichard Fitzgerald <rf@opensource.wolfsonmicro.com>2015-11-25 14:00:24 +0100
committerTakashi Iwai <tiwai@suse.de>2015-11-30 11:44:59 +0100
commite5241a8c4b22b678dd9b07527ba9f178f02e160e (patch)
tree704b5b132505dd924894f746f1e798b8e5322719
parentALSA: compress: Add procfs info file for compressed nodes (diff)
downloadlinux-e5241a8c4b22b678dd9b07527ba9f178f02e160e.tar.xz
linux-e5241a8c4b22b678dd9b07527ba9f178f02e160e.zip
ALSA: compress: Pass id string to snd_compress_new
Make snd_compress_new take an id string (like snd_pcm_new). This string can be included in the procfs info. This patch also updates soc_new_compress() to create an ID based on the stream and dai name, as done for PCM streams. 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>
-rw-r--r--include/sound/compress_driver.h2
-rw-r--r--sound/core/compress_offload.c13
-rw-r--r--sound/soc/soc-compress.c8
3 files changed, 20 insertions, 3 deletions
diff --git a/include/sound/compress_driver.h b/include/sound/compress_driver.h
index 85c4237bfe06..c0abcdc11470 100644
--- a/include/sound/compress_driver.h
+++ b/include/sound/compress_driver.h
@@ -163,7 +163,7 @@ struct snd_compr {
int snd_compress_register(struct snd_compr *device);
int snd_compress_deregister(struct snd_compr *device);
int snd_compress_new(struct snd_card *card, int device,
- int type, struct snd_compr *compr);
+ int type, const char *id, struct snd_compr *compr);
/* dsp driver callback apis
* For playback: driver should call snd_compress_fragment_elapsed() to let the
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index 1258e9d81fac..2c52510967f0 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -945,6 +945,11 @@ static void snd_compress_proc_done(struct snd_compr *compr)
snd_info_free_entry(compr->proc_root);
compr->proc_root = NULL;
}
+
+static inline void snd_compress_set_id(struct snd_compr *compr, const char *id)
+{
+ strlcpy(compr->id, id, sizeof(compr->id));
+}
#else
static inline int snd_compress_proc_init(struct snd_compr *compr)
{
@@ -954,6 +959,10 @@ static inline int snd_compress_proc_init(struct snd_compr *compr)
static inline void snd_compress_proc_done(struct snd_compr *compr)
{
}
+
+static inline void snd_compress_set_id(struct snd_compr *compr, const char *id)
+{
+}
#endif
static int snd_compress_dev_free(struct snd_device *device)
@@ -974,7 +983,7 @@ static int snd_compress_dev_free(struct snd_device *device)
* @compr: compress device pointer
*/
int snd_compress_new(struct snd_card *card, int device,
- int dirn, struct snd_compr *compr)
+ int dirn, const char *id, struct snd_compr *compr)
{
static struct snd_device_ops ops = {
.dev_free = snd_compress_dev_free,
@@ -987,6 +996,8 @@ int snd_compress_new(struct snd_card *card, int device,
compr->device = device;
compr->direction = dirn;
+ snd_compress_set_id(compr, id);
+
snd_device_initialize(&compr->dev, card);
dev_set_name(&compr->dev, "comprC%iD%i", card->number, device);
diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c
index 12a9820feac1..fffbe6f87273 100644
--- a/sound/soc/soc-compress.c
+++ b/sound/soc/soc-compress.c
@@ -689,7 +689,13 @@ int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
compr->ops->copy = soc_compr_copy;
mutex_init(&compr->lock);
- ret = snd_compress_new(rtd->card->snd_card, num, direction, compr);
+
+ snprintf(new_name, sizeof(new_name), "%s %s-%d",
+ rtd->dai_link->stream_name,
+ rtd->codec_dai->name, num);
+
+ ret = snd_compress_new(rtd->card->snd_card, num, direction,
+ new_name, compr);
if (ret < 0) {
pr_err("compress asoc: can't create compress for codec %s\n",
codec->component.name);