ALSA: Implement channel maps for standard onboard AC97 drivers

Just set the channel maps depending on the hardware availability.

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

1 files changed, 7 insertions, 0 deletions

diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c
index ce3e548de41d..cc2e91d15538 100644
--- a/sound/pci/fm801.c
+++ b/sound/pci/fm801.c
@@ -711,6 +711,13 @@ static int __devinit snd_fm801_pcm(struct fm801 *chip, int device, struct snd_pc
                                               snd_dma_pci_data(chip->pci),
                                               chip->multichannel ? 128*1024 : 64*1024, 128*1024);
 
+        err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
+                                     snd_pcm_alt_chmaps,
+                                     chip->multichannel ? 6 : 2, 0,
+                                     NULL);
+        if (err < 0)
+                return err;
+
         if (rpcm)
                 *rpcm = pcm;
         return 0;