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ASoC: Add w->kcontrols, and populate it

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Future changes will need reference to the kcontrol created for a given
kcontrol_new. Store the created kcontrol values now.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Stephen Warren 2011-04-28 17:37:59 -06:00 committed by Mark Brown
parent 82cfecdc03
commit fad598887d
2 changed files with 13 additions and 0 deletions
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1
include/sound/soc-dapm.h
View File

@ -474,6 +474,7 @@ struct snd_soc_dapm_widget {
/* kcontrols that relate to this widget */
int num_kcontrols;
const struct snd_kcontrol_new *kcontrol_news;
struct snd_kcontrol **kcontrols;
/* widget input and outputs */
struct list_head sources;

12
sound/soc/soc-dapm.c
View File

@ -400,6 +400,7 @@ static int dapm_new_mixer(struct snd_soc_dapm_context *dapm,
path->long_name = NULL;
return ret;
}
w->kcontrols[i] = path->kcontrol;
}
}
return ret;
@ -442,6 +443,8 @@ static int dapm_new_mux(struct snd_soc_dapm_context *dapm,
if (ret < 0)
goto err;
w->kcontrols[0] = kcontrol;
list_for_each_entry(path, &w->sources, list_sink)
path->kcontrol = kcontrol;
@ -1480,6 +1483,7 @@ static void dapm_free_widgets(struct snd_soc_dapm_context *dapm)
kfree(p->long_name);
kfree(p);
}
kfree(w->kcontrols);
kfree(w->name);
kfree(w);
}
@ -1730,6 +1734,14 @@ int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm)
if (w->new)
continue;
if (w->num_kcontrols) {
w->kcontrols = kzalloc(w->num_kcontrols *
sizeof(struct snd_kcontrol *),
GFP_KERNEL);
if (!w->kcontrols)
return -ENOMEM;
}
switch(w->id) {
case snd_soc_dapm_switch:
case snd_soc_dapm_mixer: