diff options
Diffstat (limited to 'sound/pci/ctxfi/ctpcm.c')
| -rw-r--r-- | sound/pci/ctxfi/ctpcm.c | 70 |
1 files changed, 62 insertions, 8 deletions
diff --git a/sound/pci/ctxfi/ctpcm.c b/sound/pci/ctxfi/ctpcm.c index 85ab43e8921..e8a4feb1ed8 100644 --- a/sound/pci/ctxfi/ctpcm.c +++ b/sound/pci/ctxfi/ctpcm.c @@ -129,8 +129,6 @@ static int ct_pcm_playback_open(struct snd_pcm_substream *substream) apcm->substream = substream; apcm->interrupt = ct_atc_pcm_interrupt; - runtime->private_data = apcm; - runtime->private_free = ct_atc_pcm_free_substream; if (IEC958 == substream->pcm->device) { runtime->hw = ct_spdif_passthru_playback_hw; atc->spdif_out_passthru(atc, 1); @@ -155,8 +153,12 @@ static int ct_pcm_playback_open(struct snd_pcm_substream *substream) } apcm->timer = ct_timer_instance_new(atc->timer, apcm); - if (!apcm->timer) + if (!apcm->timer) { + kfree(apcm); return -ENOMEM; + } + runtime->private_data = apcm; + runtime->private_free = ct_atc_pcm_free_substream; return 0; } @@ -278,8 +280,6 @@ static int ct_pcm_capture_open(struct snd_pcm_substream *substream) apcm->started = 0; apcm->substream = substream; apcm->interrupt = ct_atc_pcm_interrupt; - runtime->private_data = apcm; - runtime->private_free = ct_atc_pcm_free_substream; runtime->hw = ct_pcm_capture_hw; runtime->hw.rate_max = atc->rsr * atc->msr; @@ -298,8 +298,12 @@ static int ct_pcm_capture_open(struct snd_pcm_substream *substream) } apcm->timer = ct_timer_instance_new(atc->timer, apcm); - if (!apcm->timer) + if (!apcm->timer) { + kfree(apcm); return -ENOMEM; + } + runtime->private_data = apcm; + runtime->private_free = ct_atc_pcm_free_substream; return 0; } @@ -391,16 +395,42 @@ static struct snd_pcm_ops ct_pcm_capture_ops = { .page = snd_pcm_sgbuf_ops_page, }; +static const struct snd_pcm_chmap_elem surround_map[] = { + { .channels = 1, + .map = { SNDRV_CHMAP_MONO } }, + { .channels = 2, + .map = { SNDRV_CHMAP_RL, SNDRV_CHMAP_RR } }, + { } +}; + +static const struct snd_pcm_chmap_elem clfe_map[] = { + { .channels = 1, + .map = { SNDRV_CHMAP_MONO } }, + { .channels = 2, + .map = { SNDRV_CHMAP_FC, SNDRV_CHMAP_LFE } }, + { } +}; + +static const struct snd_pcm_chmap_elem side_map[] = { + { .channels = 1, + .map = { SNDRV_CHMAP_MONO } }, + { .channels = 2, + .map = { SNDRV_CHMAP_SL, SNDRV_CHMAP_SR } }, + { } +}; + /* Create ALSA pcm device */ int ct_alsa_pcm_create(struct ct_atc *atc, enum CTALSADEVS device, const char *device_name) { struct snd_pcm *pcm; + const struct snd_pcm_chmap_elem *map; + int chs; int err; int playback_count, capture_count; - playback_count = (IEC958 == device) ? 1 : 8; + playback_count = (IEC958 == device) ? 1 : 256; capture_count = (FRONT == device) ? 1 : 0; err = snd_pcm_new(atc->card, "ctxfi", device, playback_count, capture_count, &pcm); @@ -423,7 +453,31 @@ int ct_alsa_pcm_create(struct ct_atc *atc, snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(atc->pci), 128*1024, 128*1024); -#ifdef CONFIG_PM + chs = 2; + switch (device) { + case FRONT: + chs = 8; + map = snd_pcm_std_chmaps; + break; + case SURROUND: + map = surround_map; + break; + case CLFE: + map = clfe_map; + break; + case SIDE: + map = side_map; + break; + default: + map = snd_pcm_std_chmaps; + break; + } + err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, map, chs, + 0, NULL); + if (err < 0) + return err; + +#ifdef CONFIG_PM_SLEEP atc->pcms[device] = pcm; #endif |