diff options
Diffstat (limited to 'sound/soc/omap/omap-pcm.c')
| -rw-r--r-- | sound/soc/omap/omap-pcm.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c index e6a6b99..9563728 100644 --- a/sound/soc/omap/omap-pcm.c +++ b/sound/soc/omap/omap-pcm.c @@ -3,7 +3,7 @@ * * Copyright (C) 2008 Nokia Corporation * - * Contact: Jarkko Nikula <jhnikula@gmail.com> + * Contact: Jarkko Nikula <jarkko.nikula@bitmer.com> * Peter Ujfalusi <peter.ujfalusi@ti.com> * * This program is free software; you can redistribute it and/or @@ -24,6 +24,7 @@ #include <linux/dma-mapping.h> #include <linux/slab.h> +#include <linux/module.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> @@ -198,6 +199,14 @@ static int omap_pcm_prepare(struct snd_pcm_substream *substream) OMAP_DMA_LAST_IRQ | OMAP_DMA_BLOCK_IRQ); else if (!substream->runtime->no_period_wakeup) omap_enable_dma_irq(prtd->dma_ch, OMAP_DMA_FRAME_IRQ); + else { + /* + * No period wakeup: + * we need to disable BLOCK_IRQ, which is enabled by the omap + * dma core at request dma time. + */ + omap_disable_dma_irq(prtd->dma_ch, OMAP_DMA_BLOCK_IRQ); + } if (!(cpu_class_is_omap1())) { omap_set_dma_src_burst_mode(prtd->dma_ch, @@ -324,7 +333,7 @@ static struct snd_pcm_ops omap_pcm_ops = { .mmap = omap_pcm_mmap, }; -static u64 omap_pcm_dmamask = DMA_BIT_MASK(64); +static u64 omap_pcm_dmamask = DMA_BIT_MASK(32); static int omap_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream) @@ -366,15 +375,17 @@ static void omap_pcm_free_dma_buffers(struct snd_pcm *pcm) } } -static int omap_pcm_new(struct snd_card *card, struct snd_soc_dai *dai, - struct snd_pcm *pcm) +static int omap_pcm_new(struct snd_soc_pcm_runtime *rtd) { + struct snd_card *card = rtd->card->snd_card; + struct snd_soc_dai *dai = rtd->cpu_dai; + struct snd_pcm *pcm = rtd->pcm; int ret = 0; if (!card->dev->dma_mask) card->dev->dma_mask = &omap_pcm_dmamask; if (!card->dev->coherent_dma_mask) - card->dev->coherent_dma_mask = DMA_BIT_MASK(64); + card->dev->coherent_dma_mask = DMA_BIT_MASK(32); if (dai->driver->playback.channels_min) { ret = omap_pcm_preallocate_dma_buffer(pcm, @@ -434,6 +445,6 @@ static void __exit snd_omap_pcm_exit(void) } module_exit(snd_omap_pcm_exit); -MODULE_AUTHOR("Jarkko Nikula <jhnikula@gmail.com>"); +MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@bitmer.com>"); MODULE_DESCRIPTION("OMAP PCM DMA module"); MODULE_LICENSE("GPL"); |