From f49921b894ec338696e47d985acc09df3cddbfd1 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Fri, 3 Aug 2012 18:02:38 +0200 Subject: [PATCH] ALSA: cmipci: Implement channel mapping Simply enable the channel map according to the h/w capability. Signed-off-by: Takashi Iwai --- sound/pci/cmipci.c | 6 ++++++ 1 file changed, 6 insertions(+) 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; } -- 2.39.5