ASoC: Add a late_probe() callback to cards
Mark Brown [Wed, 2 Mar 2011 18:36:34 +0000 (18:36 +0000)]
This is run after the DAPM widgets and routes are added, allowing setup
of things like jacks using the routes. The main card probe() is run before
anything else so can't be used for this purpose.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>

include/sound/soc.h
sound/soc/soc-core.c

index 11d59bd..9c2a6dd 100644 (file)
@@ -682,6 +682,7 @@ struct snd_soc_card {
        bool instantiated;
 
        int (*probe)(struct snd_soc_card *card);
+       int (*late_probe)(struct snd_soc_card *card);
        int (*remove)(struct snd_soc_card *card);
 
        /* the pre and post PM functions are used to do any PM work before and
index 6a2839c..8926d38 100644 (file)
@@ -1892,6 +1892,15 @@ static void snd_soc_instantiate_card(struct snd_soc_card *card)
        snprintf(card->snd_card->longname, sizeof(card->snd_card->longname),
                 "%s", card->name);
 
+       if (card->late_probe) {
+               ret = card->late_probe(card);
+               if (ret < 0) {
+                       dev_err(card->dev, "%s late_probe() failed: %d\n",
+                               card->name, ret);
+                       goto probe_aux_dev_err;
+               }
+       }
+
        ret = snd_card_register(card->snd_card);
        if (ret < 0) {
                printk(KERN_ERR "asoc: failed to register soundcard for %s\n", card->name);