sound: add sound_numdecimals() to round out the sound setting query API

A necessary prerequisite for fixing FS#13272

Change-Id: Ice288af39a4f08bea376f920d855932bdac69a52

2 files changed, 6 insertions, 0 deletions

diff --git a/firmware/export/sound.h b/firmware/export/sound.h
index 9bcb9a8513..2e04cac854 100644
--- a/firmware/export/sound.h
+++ b/firmware/export/sound.h
@@ -31,6 +31,7 @@ int sound_numdecimals(int setting);
 int sound_steps(int setting);
 int sound_min(int setting);
 int sound_max(int setting);
+int sound_num_decimals(int setting);
 int sound_current(int setting);
 int sound_default(int setting);
 sound_set_type* sound_get_fn(int setting);
diff --git a/firmware/sound.c b/firmware/sound.c
index acf198da2e..71bdc25003 100644
--- a/firmware/sound.c
+++ b/firmware/sound.c
@@ -98,6 +98,11 @@ int sound_default(int setting)
     return get_settings_info(setting)->defaultval;
 }
 
+int sound_num_decimals(int setting)
+{
+    return get_settings_info(setting)->numdecimals;
+}
+
 sound_set_type * sound_get_fn(int setting)
 {
     return get_setting_entry(setting)->function;