From: Vinod Koul vinod.koul@intel.com

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 --- include/sound/soc.h | 2 ++ sound/soc/soc-core.c | 21 +++++++++++---------- 2 files changed, 13 insertions(+), 10 deletions(-)

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 @@ enum snd_soc_compress_type { 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(dai_list); 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 @@ static int soc_probe(struct platform_device *pdev) 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 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute); * * @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 @@ static int snd_soc_register_card(struct snd_soc_card *card)

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 @@ static int snd_soc_unregister_card(struct snd_soc_card *card)

return 0; } +EXPORT_SYMBOL_GPL(snd_soc_unregister_card);

/* * Simplify DAI link configuration by removing ".-1" from device names