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WSL2-Linux-Kernel
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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>
This commit is contained in:
Vinod Koul 2011-01-14 19:22:48 +05:30 коммит произвёл Mark Brown
Родитель 62ffac4d70
Коммит 70a7ca34db
2 изменённых файлов: 13 добавлений и 10 удалений
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2
include/sound/soc.h
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@ -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);

21
sound/soc/soc-core.c
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@ -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