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| author | Takashi Iwai <tiwai@suse.de> | 2012-08-03 18:01:40 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-09-06 18:08:31 +0200 |
| commit | e36e3b86c78cee9c7435eb33e0ef8a788193e812 (patch) | |
| tree | a44ed8a8f0e7b832048d4fbd94a9041823cf1979 /sound/pci/via82xx.c | |
| parent | 833a493b7ed2eb8f9059338a0ebf06bebbb6ae93 (diff) | |
| download | linux-e36e3b86c78cee9c7435eb33e0ef8a788193e812.tar.bz2 | |
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>
Diffstat (limited to 'sound/pci/via82xx.c')
| -rw-r--r-- | sound/pci/via82xx.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c index e3d32e2d574e..f0b4efdb483c 100644 --- a/sound/pci/via82xx.c +++ b/sound/pci/via82xx.c @@ -1440,6 +1440,7 @@ static void init_viadev(struct via82xx *chip, int idx, unsigned int reg_offset, static int __devinit snd_via8233_pcm_new(struct via82xx *chip) { struct snd_pcm *pcm; + struct snd_pcm_chmap *chmap; int i, err; chip->playback_devno = 0; /* x 4 */ @@ -1467,6 +1468,12 @@ static int __devinit snd_via8233_pcm_new(struct via82xx *chip) snd_dma_pci_data(chip->pci), 64*1024, VIA_MAX_BUFSIZE); + err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, + snd_pcm_std_chmaps, 2, 0, + &chmap); + if (err < 0) + return err; + /* PCM #1: multi-channel playback and 2nd capture */ err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); if (err < 0) @@ -1484,6 +1491,14 @@ static int __devinit snd_via8233_pcm_new(struct via82xx *chip) snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(chip->pci), 64*1024, VIA_MAX_BUFSIZE); + + err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, + snd_pcm_alt_chmaps, 6, 0, + &chmap); + if (err < 0) + return err; + chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; + return 0; } @@ -1493,6 +1508,7 @@ static int __devinit snd_via8233_pcm_new(struct via82xx *chip) static int __devinit snd_via8233a_pcm_new(struct via82xx *chip) { struct snd_pcm *pcm; + struct snd_pcm_chmap *chmap; int err; chip->multi_devno = 0; @@ -1519,6 +1535,13 @@ static int __devinit snd_via8233a_pcm_new(struct via82xx *chip) snd_dma_pci_data(chip->pci), 64*1024, VIA_MAX_BUFSIZE); + err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, + snd_pcm_alt_chmaps, 6, 0, + &chmap); + if (err < 0) + return err; + chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; + /* SPDIF supported? */ if (! ac97_can_spdif(chip->ac97)) return 0; |