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authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-03-02 18:21:57 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-03-03 11:15:16 +0000
commite37a4970cd7ab6aec9e848cd3c355fd47fd18afd (patch)
treec335b077c521e282a85ca83e9d50ad08c13e800a
parent88e8b9a84b41be8ea37cf3bbe192e72f84747f66 (diff)
ASoC: Add a per-card DAPM context
This means that rather than adding the board specific DAPM widgets to a random CODEC DAPM context they can be added to the card itself which is a bit cleaner. Previously there only was one DAPM context and it was tied to the single supported CODEC. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
-rw-r--r--include/sound/soc.h3
-rw-r--r--sound/soc/soc-core.c13
2 files changed, 16 insertions, 0 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 65d865f7e8c0..8064cd130356 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -729,6 +729,9 @@ struct snd_soc_card {
struct list_head paths;
struct list_head dapm_list;
+ /* Generic DAPM context for the card */
+ struct snd_soc_dapm_context dapm;
+
#ifdef CONFIG_DEBUG_FS
struct dentry *debugfs_card_root;
struct dentry *debugfs_pop_time;
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 64befac3f9c3..24bfc3ff8e17 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1837,6 +1837,11 @@ static void snd_soc_instantiate_card(struct snd_soc_card *card)
}
card->snd_card->dev = card->dev;
+ card->dapm.bias_level = SND_SOC_BIAS_OFF;
+ card->dapm.dev = card->dev;
+ card->dapm.card = card;
+ list_add(&card->dapm.list, &card->dapm_list);
+
#ifdef CONFIG_PM_SLEEP
/* deferred resume work */
INIT_WORK(&card->deferred_resume_work, soc_resume_deferred);
@@ -1867,6 +1872,14 @@ static void snd_soc_instantiate_card(struct snd_soc_card *card)
}
}
+ card->dapm.debugfs_dapm = debugfs_create_dir("dapm",
+ card->debugfs_card_root);
+ if (!card->dapm.debugfs_dapm)
+ printk(KERN_WARNING
+ "Failed to create card DAPM debugfs directory\n");
+
+ snd_soc_dapm_debugfs_init(&card->dapm);
+
snprintf(card->snd_card->shortname, sizeof(card->snd_card->shortname),
"%s", card->name);
snprintf(card->snd_card->longname, sizeof(card->snd_card->longname),