diff options
| author | Takashi Iwai | 2012-09-12 15:53:26 +0200 |
|---|---|---|
| committer | Takashi Iwai | 2012-09-12 15:53:26 +0200 |
| commit | 7fb6861d62b24fd0056a52275e5f74db0ef66f88 (patch) | |
| tree | 167f02a0d485067476fc640b76ffa7fd66ba87cd /sound/pci | |
| parent | 3adc497f98dd062bcf4d832c659a3d706ece5249 (diff) | |
ALSA: ens1370: Define channel maps
Provide channel maps for individual stereo streams of ENS1370 and
ENS1371. Note that the configuration of ENS1370 uses the secondary
PCM as the front unlike ENS1371.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/ens1370.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/sound/pci/ens1370.c b/sound/pci/ens1370.c index 1e615c4d12f8..9d432359d1cb 100644 --- a/sound/pci/ens1370.c +++ b/sound/pci/ens1370.c @@ -1260,6 +1260,14 @@ static struct snd_pcm_ops snd_ensoniq_capture_ops = { .pointer = snd_ensoniq_capture_pointer, }; +static const struct snd_pcm_chmap_elem surround_map[] = { + { .channels = 1, + .map = { SNDRV_CHMAP_UNKNOWN } }, + { .channels = 2, + .map = { SNDRV_CHMAP_RL, SNDRV_CHMAP_RR } }, + { } +}; + static int __devinit snd_ensoniq_pcm(struct ensoniq * ensoniq, int device, struct snd_pcm ** rpcm) { @@ -1287,6 +1295,16 @@ static int __devinit snd_ensoniq_pcm(struct ensoniq * ensoniq, int device, snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(ensoniq->pci), 64*1024, 128*1024); +#ifdef CHIP1370 + err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, + surround_map, 2, 0, NULL); +#else + err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, + snd_pcm_std_chmaps, 2, 0, NULL); +#endif + if (err < 0) + return err; + if (rpcm) *rpcm = pcm; return 0; @@ -1317,6 +1335,16 @@ static int __devinit snd_ensoniq_pcm2(struct ensoniq * ensoniq, int device, snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(ensoniq->pci), 64*1024, 128*1024); +#ifdef CHIP1370 + err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, + snd_pcm_std_chmaps, 2, 0, NULL); +#else + err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, + surround_map, 2, 0, NULL); +#endif + if (err < 0) + return err; + if (rpcm) *rpcm = pcm; return 0; |