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-rw-r--r--sound/soc/generic/simple-card-utils.c45
1 files changed, 1 insertions, 44 deletions
diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c
index 850e968677f1..a81323d1691d 100644
--- a/sound/soc/generic/simple-card-utils.c
+++ b/sound/soc/generic/simple-card-utils.c
@@ -499,57 +499,14 @@ EXPORT_SYMBOL_GPL(asoc_simple_parse_widgets);
int asoc_simple_parse_pin_switches(struct snd_soc_card *card,
char *prefix)
{
- const unsigned int nb_controls_max = 16;
- const char **strings, *control_name;
- struct snd_kcontrol_new *controls;
- struct device *dev = card->dev;
- unsigned int i, nb_controls;
char prop[128];
- int ret;
if (!prefix)
prefix = "";
snprintf(prop, sizeof(prop), "%s%s", prefix, "pin-switches");
- if (!of_property_read_bool(dev->of_node, prop))
- return 0;
-
- strings = devm_kcalloc(dev, nb_controls_max,
- sizeof(*strings), GFP_KERNEL);
- if (!strings)
- return -ENOMEM;
-
- ret = of_property_read_string_array(dev->of_node, prop,
- strings, nb_controls_max);
- if (ret < 0)
- return ret;
-
- nb_controls = (unsigned int)ret;
-
- controls = devm_kcalloc(dev, nb_controls,
- sizeof(*controls), GFP_KERNEL);
- if (!controls)
- return -ENOMEM;
-
- for (i = 0; i < nb_controls; i++) {
- control_name = devm_kasprintf(dev, GFP_KERNEL,
- "%s Switch", strings[i]);
- if (!control_name)
- return -ENOMEM;
-
- controls[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
- controls[i].name = control_name;
- controls[i].info = snd_soc_dapm_info_pin_switch;
- controls[i].get = snd_soc_dapm_get_pin_switch;
- controls[i].put = snd_soc_dapm_put_pin_switch;
- controls[i].private_value = (unsigned long)strings[i];
- }
-
- card->controls = controls;
- card->num_controls = nb_controls;
-
- return 0;
+ return snd_soc_of_parse_pin_switches(card, prop);
}
EXPORT_SYMBOL_GPL(asoc_simple_parse_pin_switches);