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>
diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c
index ce3e548..cc2e91d 100644
--- a/sound/pci/fm801.c
+++ b/sound/pci/fm801.c
@@ -711,6 +711,13 @@
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;