mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

Merge remote-tracking branch 'asoc/topic/dt' into asoc-next

This commit is contained in:
Mark Brown 2014-05-22 00:23:43 +01:00
parent 8e8fbd8f58 6b0a0b3b4e
commit 566d4eeff8
2 changed files with 55 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
include/sound/soc.h
View File

@ -931,7 +931,12 @@ struct snd_soc_dai_link {
};
struct snd_soc_codec_conf {
/*
* specify device either by device name, or by
* DT/OF node, but not both.
*/
const char *dev_name;
const struct device_node *of_node;
/*
* optional map of kcontrol, widget and path name prefixes that are
@ -942,7 +947,13 @@ struct snd_soc_codec_conf {
struct snd_soc_aux_dev {
const char *name; /* Codec name */
const char *codec_name; /* for multi-codec */
/*
* specify multi-codec either by device name, or by
* DT/OF node, but not both.
*/
const char *codec_name;
const struct device_node *codec_of_node;
/* codec/machine specific init - e.g. add machine controls */
int (*init)(struct snd_soc_dapm_context *dapm);

69
sound/soc/soc-core.c
View File

@ -1117,10 +1117,12 @@ static void soc_set_name_prefix(struct snd_soc_card *card,
for (i = 0; i < card->num_configs; i++) {
struct snd_soc_codec_conf *map = &card->codec_conf[i];
if (map->dev_name && !strcmp(codec->name, map->dev_name)) {
codec->name_prefix = map->name_prefix;
break;
}
if (map->of_node && codec->dev->of_node != map->of_node)
continue;
if (map->dev_name && strcmp(codec->name, map->dev_name))
continue;
codec->name_prefix = map->name_prefix;
break;
}
}
@ -1596,52 +1598,67 @@ static void soc_unregister_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
}
#endif
static int soc_check_aux_dev(struct snd_soc_card *card, int num)
static struct snd_soc_codec *soc_find_matching_codec(struct snd_soc_card *card,
int num)
{
struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
struct snd_soc_codec *codec;
/* find CODEC from registered CODECs*/
/* find CODEC from registered CODECs */
list_for_each_entry(codec, &codec_list, list) {
if (!strcmp(codec->name, aux_dev->codec_name))
return 0;
if (aux_dev->codec_of_node &&
(codec->dev->of_node != aux_dev->codec_of_node))
continue;
if (aux_dev->codec_name && strcmp(codec->name, aux_dev->codec_name))
continue;
return codec;
}
dev_err(card->dev, "ASoC: %s not registered\n", aux_dev->codec_name);
return NULL;
}
static int soc_check_aux_dev(struct snd_soc_card *card, int num)
{
struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
const char *codecname = aux_dev->codec_name;
struct snd_soc_codec *codec = soc_find_matching_codec(card, num);
if (codec)
return 0;
if (aux_dev->codec_of_node)
codecname = of_node_full_name(aux_dev->codec_of_node);
dev_err(card->dev, "ASoC: %s not registered\n", codecname);
return -EPROBE_DEFER;
}
static int soc_probe_aux_dev(struct snd_soc_card *card, int num)
{
struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
struct snd_soc_codec *codec;
const char *codecname = aux_dev->codec_name;
int ret = -ENODEV;
struct snd_soc_codec *codec = soc_find_matching_codec(card, num);
/* find CODEC from registered CODECs*/
list_for_each_entry(codec, &codec_list, list) {
if (!strcmp(codec->name, aux_dev->codec_name)) {
if (codec->probed) {
dev_err(codec->dev,
"ASoC: codec already probed");
ret = -EBUSY;
goto out;
}
goto found;
}
if (!codec) {
if (aux_dev->codec_of_node)
codecname = of_node_full_name(aux_dev->codec_of_node);
/* codec not found */
dev_err(card->dev, "ASoC: codec %s not found", codecname);
return -EPROBE_DEFER;
}
if (codec->probed) {
dev_err(codec->dev, "ASoC: codec already probed");
return -EBUSY;
}
/* codec not found */
dev_err(card->dev, "ASoC: codec %s not found", aux_dev->codec_name);
return -EPROBE_DEFER;
found:
ret = soc_probe_codec(card, codec);
if (ret < 0)
return ret;
ret = soc_post_component_init(card, codec, num, 1);
out:
return ret;
}