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authorTakashi Iwai <tiwai@suse.de>2012-08-03 20:02:38 +0400
committerTakashi Iwai <tiwai@suse.de>2012-09-06 20:08:32 +0400
commitf49921b894ec338696e47d985acc09df3cddbfd1 (patch)
tree8e9765b331e16dd227be125bdb75e86b5d577ef5 /sound/pci/cmipci.c
parente36e3b86c78cee9c7435eb33e0ef8a788193e812 (diff)
downloadlinux-f49921b894ec338696e47d985acc09df3cddbfd1.tar.xz
ALSA: cmipci: Implement channel mapping
Simply enable the channel map according to the h/w capability. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/cmipci.c')
-rw-r--r--sound/pci/cmipci.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c
index 7c25906b5f88..22122ff26e34 100644
--- a/sound/pci/cmipci.c
+++ b/sound/pci/cmipci.c
@@ -1962,6 +1962,12 @@ static int __devinit snd_cmipci_pcm_spdif_new(struct cmipci *cm, int device)
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
snd_dma_pci_data(cm->pci), 64*1024, 128*1024);
+ err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
+ snd_pcm_alt_chmaps, cm->max_channels, 0,
+ NULL);
+ if (err < 0)
+ return err;
+
return 0;
}