pcm: add 'default' case for switch statement

This commit fixes below compiler warnings.

pcm_direct.c: In function ‘snd1_pcm_direct_prepare’:
pcm_direct.c:821:2: warning: enumeration value ‘SND_PCM_STATE_PREPARED’ not handled in switch [-Wswitch]
  switch (snd_pcm_state(dmix->spcm)) {
  ^

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/src/pcm/pcm_direct.c b/src/pcm/pcm_direct.c
index 21f98e7a17796fcecd5c149cd2ed7815137275f5..a388d4a9b566594aa1f236b80a9057e070e16921 100644 (file)
--- a/src/pcm/pcm_direct.c
+++ b/src/pcm/pcm_direct.c
@@ -830,6 +830,8 @@ int snd_pcm_direct_prepare(snd_pcm_t *pcm)
        case SND_PCM_STATE_OPEN:
        case SND_PCM_STATE_DISCONNECTED:
                return -EBADFD;
+       default:
+               break;
        }
        snd_pcm_direct_check_interleave(dmix, pcm);
        dmix->state = SND_PCM_STATE_PREPARED;