Add Xuelin iHIFI 770/770C/800 support

Taken from the xvortex fork (Roman Stolyarov)
Ported, rebased, and cleaned up by myself.

Change-Id: I7b2bca2d29502f2e4544e42f3d122786dd4b7978

1 files changed, 5 insertions, 0 deletions

diff --git a/apps/settings_list.c b/apps/settings_list.c
index eb3c76865d..1c41954390 100644
--- a/apps/settings_list.c
+++ b/apps/settings_list.c
@@ -876,8 +876,13 @@ const struct settings_list settings[] = {
 
 #ifdef AUDIOHW_HAVE_FILTER_ROLL_OFF
     CHOICE_SETTING(F_SOUNDSETTING, roll_off, LANG_FILTER_ROLL_OFF, 0,
+#ifndef AUDIOHW_HAVE_SHORT_ROLL_OFF
                    "roll_off", "sharp,slow", sound_set_filter_roll_off,
                    2, ID2P(LANG_FILTER_SHARP), ID2P(LANG_FILTER_SLOW)),
+#else
+                   "roll_off", "sharp,slow,short,bypass", sound_set_filter_roll_off,
+                   4, ID2P(LANG_FILTER_SHARP), ID2P(LANG_FILTER_SLOW), ID2P(LANG_FILTER_SHORT), ID2P(LANG_FILTER_BYPASS)),
+#endif
 #endif
 
     /* playback */