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ALSA: cmipci: Implement channel mapping

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Simply enable the channel map according to the h/w capability.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2012-08-03 18:02:38 +02:00
parent e36e3b86c7
commit f49921b894
1 changed files with 6 additions and 0 deletions
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6
sound/pci/cmipci.c
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@ -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;
}