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-rw-r--r--include/sound/pcm.h2
-rw-r--r--sound/aoa/soundbus/i2sbus/pcm.c5
-rw-r--r--sound/core/pcm.c38
-rw-r--r--sound/pci/hda/hda_controller.c3
-rw-r--r--sound/soc/intel/sst-mfld-platform-pcm.c1
5 files changed, 22 insertions, 27 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index b429b73e875e..735bd0cc7347 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -449,6 +449,7 @@ struct snd_pcm_str {
#endif
#endif
struct snd_kcontrol *chmap_kctl; /* channel-mapping controls */
+ struct device dev;
};
struct snd_pcm {
@@ -465,7 +466,6 @@ struct snd_pcm {
wait_queue_head_t open_wait;
void *private_data;
void (*private_free) (struct snd_pcm *pcm);
- struct device *dev; /* actual hw device this belongs to */
bool internal; /* pcm is for internal use only */
bool nonatomic; /* whole PCM operations are in non-atomic context */
#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
diff --git a/sound/aoa/soundbus/i2sbus/pcm.c b/sound/aoa/soundbus/i2sbus/pcm.c
index 7b74a4ba75f8..a02b7b8d3532 100644
--- a/sound/aoa/soundbus/i2sbus/pcm.c
+++ b/sound/aoa/soundbus/i2sbus/pcm.c
@@ -968,7 +968,6 @@ i2sbus_attach_codec(struct soundbus_dev *dev, struct snd_card *card,
printk(KERN_DEBUG "i2sbus: failed to create pcm\n");
goto out_put_ci_module;
}
- dev->pcm->dev = &dev->ofdev.dev;
}
/* ALSA yet again sucks.
@@ -988,6 +987,8 @@ i2sbus_attach_codec(struct soundbus_dev *dev, struct snd_card *card,
goto out_put_ci_module;
snd_pcm_set_ops(dev->pcm, SNDRV_PCM_STREAM_PLAYBACK,
&i2sbus_playback_ops);
+ dev->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].dev.parent =
+ &dev->ofdev.dev;
i2sdev->out.created = 1;
}
@@ -1003,6 +1004,8 @@ i2sbus_attach_codec(struct soundbus_dev *dev, struct snd_card *card,
goto out_put_ci_module;
snd_pcm_set_ops(dev->pcm, SNDRV_PCM_STREAM_CAPTURE,
&i2sbus_record_ops);
+ dev->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].dev.parent =
+ &dev->ofdev.dev;
i2sdev->in.created = 1;
}
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index 1b7c473720fa..4d5120f7a8ab 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -673,6 +673,8 @@ static inline int snd_pcm_substream_proc_init(struct snd_pcm_substream *substrea
static inline int snd_pcm_substream_proc_done(struct snd_pcm_substream *substream) { return 0; }
#endif /* CONFIG_SND_VERBOSE_PROCFS */
+static const struct attribute_group *pcm_dev_attr_groups[];
+
/**
* snd_pcm_new_stream - create a new PCM stream
* @pcm: the pcm instance
@@ -698,7 +700,15 @@ int snd_pcm_new_stream(struct snd_pcm *pcm, int stream, int substream_count)
pstr->stream = stream;
pstr->pcm = pcm;
pstr->substream_count = substream_count;
- if (substream_count > 0 && !pcm->internal) {
+ if (!substream_count)
+ return 0;
+
+ snd_device_initialize(&pstr->dev, pcm->card);
+ pstr->dev.groups = pcm_dev_attr_groups;
+ dev_set_name(&pstr->dev, "pcmC%iD%i%c", pcm->card->number, pcm->device,
+ stream == SNDRV_PCM_STREAM_PLAYBACK ? 'p' : 'c');
+
+ if (!pcm->internal) {
err = snd_pcm_stream_proc_init(pstr);
if (err < 0) {
pcm_err(pcm, "Error in snd_pcm_stream_proc_init\n");
@@ -868,6 +878,8 @@ static void snd_pcm_free_stream(struct snd_pcm_str * pstr)
kfree(setup);
}
#endif
+ if (pstr->substream_count)
+ put_device(&pstr->dev);
}
static int snd_pcm_free(struct snd_pcm *pcm)
@@ -1069,9 +1081,7 @@ static int snd_pcm_dev_register(struct snd_device *device)
int cidx, err;
struct snd_pcm_substream *substream;
struct snd_pcm_notify *notify;
- char str[16];
struct snd_pcm *pcm;
- struct device *dev;
if (snd_BUG_ON(!device || !device->device_data))
return -ENXIO;
@@ -1088,42 +1098,24 @@ static int snd_pcm_dev_register(struct snd_device *device)
continue;
switch (cidx) {
case SNDRV_PCM_STREAM_PLAYBACK:
- sprintf(str, "pcmC%iD%ip", pcm->card->number, pcm->device);
devtype = SNDRV_DEVICE_TYPE_PCM_PLAYBACK;
break;
case SNDRV_PCM_STREAM_CAPTURE:
- sprintf(str, "pcmC%iD%ic", pcm->card->number, pcm->device);
devtype = SNDRV_DEVICE_TYPE_PCM_CAPTURE;
break;
}
- /* device pointer to use, pcm->dev takes precedence if
- * it is assigned, otherwise fall back to card's device
- * if possible */
- dev = pcm->dev;
- if (!dev)
- dev = snd_card_get_device_link(pcm->card);
/* register pcm */
err = snd_register_device_for_dev(devtype, pcm->card,
pcm->device,
&snd_pcm_f_ops[cidx],
- pcm, NULL, dev, str);
+ pcm, &pcm->streams[cidx].dev,
+ NULL, NULL);
if (err < 0) {
list_del(&pcm->list);
mutex_unlock(&register_mutex);
return err;
}
- dev = snd_get_device(devtype, pcm->card, pcm->device);
- if (dev) {
- err = sysfs_create_groups(&dev->kobj,
- pcm_dev_attr_groups);
- if (err < 0)
- dev_warn(dev,
- "pcm %d:%d: cannot create sysfs groups\n",
- pcm->card->number, pcm->device);
- put_device(dev);
- }
-
for (substream = pcm->streams[cidx].substream; substream; substream = substream->next)
snd_pcm_timer_init(substream);
}
diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c
index 0cfc9c8c4b4e..712ec5ceba46 100644
--- a/sound/pci/hda/hda_controller.c
+++ b/sound/pci/hda/hda_controller.c
@@ -939,7 +939,8 @@ static int azx_attach_pcm_stream(struct hda_bus *bus, struct hda_codec *codec,
chip->card->dev,
size, MAX_PREALLOC_SIZE);
/* link to codec */
- pcm->dev = &codec->dev;
+ for (s = 0; s < 2; s++)
+ pcm->streams[s].dev.parent = &codec->dev;
return 0;
}
diff --git a/sound/soc/intel/sst-mfld-platform-pcm.c b/sound/soc/intel/sst-mfld-platform-pcm.c
index a1a8d9d91539..2d80c4e12997 100644
--- a/sound/soc/intel/sst-mfld-platform-pcm.c
+++ b/sound/soc/intel/sst-mfld-platform-pcm.c
@@ -645,7 +645,6 @@ static struct snd_pcm_ops sst_platform_ops = {
static void sst_pcm_free(struct snd_pcm *pcm)
{
- dev_dbg(pcm->dev, "sst_pcm_free called\n");
snd_pcm_lib_preallocate_free_for_all(pcm);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 09:35:57 +0000