From: Vinod Koul Date: Fri, 14 Jan 2011 13:52:48 +0000 (+0530) Subject: ASoC: soc core allow machine driver to register the card X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=70a7ca34dbdcc6f0ed332baf2b308bab2871424a;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git 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 Signed-off-by: Harsha Priya Acked-by: Liam Girdwood Signed-off-by: Mark Brown --- diff --git a/include/sound/soc.h b/include/sound/soc.h index 541ddfaa1243..9952254974b3 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 83057127b2fa..69117b686fdc 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