ASoC: soc core allow machine driver to register the card
The machine driver can't register the card directly and need to do this thru
soc-audio device creation
This patch allows the register and unregister card to be directly called by
machine drivers
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Harsha Priya <priya.harsha@intel.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 541ddfa..9952254 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -258,6 +258,8 @@
SND_SOC_RBTREE_COMPRESSION
};
+int snd_soc_register_card(struct snd_soc_card *card);
+int snd_soc_unregister_card(struct snd_soc_card *card);
int snd_soc_register_platform(struct device *dev,
struct snd_soc_platform_driver *platform_drv);
void snd_soc_unregister_platform(struct device *dev);
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 8305712..69117b6 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -58,8 +58,6 @@
static LIST_HEAD(platform_list);
static LIST_HEAD(codec_list);
-static int snd_soc_register_card(struct snd_soc_card *card);
-static int snd_soc_unregister_card(struct snd_soc_card *card);
static int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
/*
@@ -1870,6 +1868,13 @@
struct snd_soc_card *card = platform_get_drvdata(pdev);
int ret = 0;
+ /*
+ * no card, so machine driver should be registering card
+ * we should not be here in that case so ret error
+ */
+ if (!card)
+ return -EINVAL;
+
/* Bodge while we unpick instantiation */
card->dev = &pdev->dev;
snd_soc_initialize_card_lists(card);
@@ -3105,11 +3110,8 @@
*
* @card: Card to register
*
- * Note that currently this is an internal only function: it will be
- * exposed to machine drivers after further backporting of ASoC v2
- * registration APIs.
*/
-static int snd_soc_register_card(struct snd_soc_card *card)
+int snd_soc_register_card(struct snd_soc_card *card)
{
int i;
@@ -3141,17 +3143,15 @@
return 0;
}
+EXPORT_SYMBOL_GPL(snd_soc_register_card);
/**
* snd_soc_unregister_card - Unregister a card with the ASoC core
*
* @card: Card to unregister
*
- * Note that currently this is an internal only function: it will be
- * exposed to machine drivers after further backporting of ASoC v2
- * registration APIs.
*/
-static int snd_soc_unregister_card(struct snd_soc_card *card)
+int snd_soc_unregister_card(struct snd_soc_card *card)
{
if (card->instantiated)
soc_cleanup_card_resources(card);
@@ -3162,6 +3162,7 @@
return 0;
}
+EXPORT_SYMBOL_GPL(snd_soc_unregister_card);
/*
* Simplify DAI link configuration by removing ".-1" from device names