diff options
Diffstat (limited to 'sound/soc/sh/rcar/core.c')
| -rw-r--r-- | sound/soc/sh/rcar/core.c | 49 |
1 files changed, 43 insertions, 6 deletions
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c index 94f081b93258..af04d41a4274 100644 --- a/sound/soc/sh/rcar/core.c +++ b/sound/soc/sh/rcar/core.c @@ -111,7 +111,7 @@ static const struct of_device_id rsnd_of_match[] = { { .compatible = "renesas,rcar_sound-gen1", .data = (void *)RSND_GEN1 }, { .compatible = "renesas,rcar_sound-gen2", .data = (void *)RSND_GEN2 }, - { .compatible = "renesas,rcar_sound-gen3", .data = (void *)RSND_GEN2 }, /* gen2 compatible */ + { .compatible = "renesas,rcar_sound-gen3", .data = (void *)RSND_GEN3 }, {}, }; MODULE_DEVICE_TABLE(of, rsnd_of_match); @@ -1352,6 +1352,37 @@ int rsnd_kctrl_new(struct rsnd_mod *mod, #define PREALLOC_BUFFER (32 * 1024) #define PREALLOC_BUFFER_MAX (32 * 1024) +static int rsnd_preallocate_pages(struct snd_soc_pcm_runtime *rtd, + struct rsnd_dai_stream *io, + int stream) +{ + struct rsnd_priv *priv = rsnd_io_to_priv(io); + struct device *dev = rsnd_priv_to_dev(priv); + struct snd_pcm_substream *substream; + int err; + + /* + * use Audio-DMAC dev if we can use IPMMU + * see + * rsnd_dmaen_attach() + */ + if (io->dmac_dev) + dev = io->dmac_dev; + + for (substream = rtd->pcm->streams[stream].substream; + substream; + substream = substream->next) { + err = snd_pcm_lib_preallocate_pages(substream, + SNDRV_DMA_TYPE_DEV, + dev, + PREALLOC_BUFFER, PREALLOC_BUFFER_MAX); + if (err < 0) + return err; + } + + return 0; +} + static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_dai *dai = rtd->cpu_dai; @@ -1366,11 +1397,17 @@ static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd) if (ret) return ret; - return snd_pcm_lib_preallocate_pages_for_all( - rtd->pcm, - SNDRV_DMA_TYPE_DEV, - rtd->card->snd_card->dev, - PREALLOC_BUFFER, PREALLOC_BUFFER_MAX); + ret = rsnd_preallocate_pages(rtd, &rdai->playback, + SNDRV_PCM_STREAM_PLAYBACK); + if (ret) + return ret; + + ret = rsnd_preallocate_pages(rtd, &rdai->capture, + SNDRV_PCM_STREAM_CAPTURE); + if (ret) + return ret; + + return 0; } static const struct snd_soc_component_driver rsnd_soc_component = { |