ALSA: Fix leftover chmap UNKNOWN -> MONO conversions

A few files have been slipped from the previous commit to add MONO
channel type.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c
index 50b0804df904..3a6f03f9b02f 100644
--- a/sound/pci/ymfpci/ymfpci_main.c
+++ b/sound/pci/ymfpci/ymfpci_main.c
@@ -1264,7 +1264,7 @@ static struct snd_pcm_ops snd_ymfpci_playback_4ch_ops = {
 
 static const struct snd_pcm_chmap_elem surround_map[] = {
         { .channels = 1,
-          .map = { SNDRV_CHMAP_UNKNOWN } },
+          .map = { SNDRV_CHMAP_MONO } },
         { .channels = 2,
           .map = { SNDRV_CHMAP_RL, SNDRV_CHMAP_RR } },
         { }