[PATCH] ASoC: Fix compile error if CONFIG_DEBUG_FS is not configured

[Axel Lin <axel.lin@gmail.com>]

Add soc_init_card_debugfs and soc_cleanup_card_debugfs functions to fix below error.

  CC      sound/soc/soc-core.o
sound/soc/soc-core.c: In function 'soc_probe':
sound/soc/soc-core.c:1689: error: implicit declaration of function 'soc_init_card_debugfs'
sound/soc/soc-core.c: In function 'soc_remove':
sound/soc/soc-core.c:1718: error: implicit declaration of function 'soc_cleanup_card_debugfs'
make[2]: *** [sound/soc/soc-core.o] Error 1
make[1]: *** [sound/soc] Error 2
make: *** [sound] Error 2

Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
 sound/soc/soc-core.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index f030521..c18ce1d 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -401,6 +401,14 @@ static inline void soc_init_codec_debugfs(struct snd_soc_codec *codec)
 static inline void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec)
 {
 }
+
+static inline void soc_init_card_debugfs(struct snd_soc_card *card)
+{
+}
+
+static inline void soc_cleanup_card_debugfs(struct snd_soc_card *card)
+{
+}
 #endif
 
 #ifdef CONFIG_SND_SOC_AC97_BUS
-- 
1.7.2