diff options
Diffstat (limited to 'sound/soc/imx/imx-ssi.c')
-rw-r--r-- | sound/soc/imx/imx-ssi.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/sound/soc/imx/imx-ssi.c b/sound/soc/imx/imx-ssi.c index 3b56254..4969c98 100644 --- a/sound/soc/imx/imx-ssi.c +++ b/sound/soc/imx/imx-ssi.c @@ -357,8 +357,8 @@ int snd_imx_pcm_mmap(struct snd_pcm_substream *substream, struct snd_pcm_runtime *runtime = substream->runtime; int ret; - ret = dma_mmap_coherent(NULL, vma, runtime->dma_area, - runtime->dma_addr, runtime->dma_bytes); + ret = dma_mmap_writecombine(substream->pcm->card->dev, vma, + runtime->dma_area, runtime->dma_addr, runtime->dma_bytes); pr_debug("%s: ret: %d %p 0x%08x 0x%08x\n", __func__, ret, runtime->dma_area, @@ -388,24 +388,24 @@ static int imx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream) static u64 imx_pcm_dmamask = DMA_BIT_MASK(32); -int imx_pcm_new(struct snd_card *card, struct snd_soc_dai *dai, - struct snd_pcm *pcm) +int imx_pcm_new(struct snd_soc_pcm_runtime *rtd) { - + struct snd_card *card = rtd->card->snd_card; + struct snd_pcm *pcm = rtd->pcm; int ret = 0; if (!card->dev->dma_mask) card->dev->dma_mask = &imx_pcm_dmamask; if (!card->dev->coherent_dma_mask) card->dev->coherent_dma_mask = DMA_BIT_MASK(32); - if (dai->driver->playback.channels_min) { + if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) { ret = imx_pcm_preallocate_dma_buffer(pcm, SNDRV_PCM_STREAM_PLAYBACK); if (ret) goto out; } - if (dai->driver->capture.channels_min) { + if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) { ret = imx_pcm_preallocate_dma_buffer(pcm, SNDRV_PCM_STREAM_CAPTURE); if (ret) @@ -573,6 +573,8 @@ static void imx_ssi_ac97_reset(struct snd_ac97 *ac97) if (imx_ssi->ac97_reset) imx_ssi->ac97_reset(ac97); + /* First read sometimes fails, do a dummy read */ + imx_ssi_ac97_read(ac97, 0); } static void imx_ssi_ac97_warm_reset(struct snd_ac97 *ac97) @@ -581,6 +583,9 @@ static void imx_ssi_ac97_warm_reset(struct snd_ac97 *ac97) if (imx_ssi->ac97_warm_reset) imx_ssi->ac97_warm_reset(ac97); + + /* First read sometimes fails, do a dummy read */ + imx_ssi_ac97_read(ac97, 0); } struct snd_ac97_bus_ops soc_ac97_ops = { |