From 277589d7faf5f515258422e594e31512b2bafa4f Mon Sep 17 00:00:00 2001
From: Tianyu Gao <gaotianyu1350@126.com>
Date: Fri, 3 May 2019 09:29:51 +0000
Subject: [PATCH] add audio to audio hello; pass building

---
 biscuit/c/audio_hello.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/biscuit/c/audio_hello.c b/biscuit/c/audio_hello.c
index 55c2590..236338d 100644
--- a/biscuit/c/audio_hello.c
+++ b/biscuit/c/audio_hello.c
@@ -8906,7 +8906,7 @@ int main(int argc, char **argv)
 
     int fd_dsp;
     fd_dsp = open("/dev/dsp", O_WRONLY);
-    if (fd_gpio < 0) {
+    if (fd_dsp < 0) {
         printf("fail to open /dev/dsp");
         return 1;
     }