diff options
Diffstat (limited to 'sound/core/pcm_native.c')
| -rw-r--r-- | sound/core/pcm_native.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 91c6ad58729f..998c63192ae4 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -13,6 +13,7 @@ #include <linux/pm_qos.h> #include <linux/io.h> #include <linux/dma-mapping.h> +#include <linux/vmalloc.h> #include <sound/core.h> #include <sound/control.h> #include <sound/info.h> @@ -222,7 +223,8 @@ static bool hw_support_mmap(struct snd_pcm_substream *substream) return false; if (substream->ops->mmap || - substream->dma_buffer.dev.type != SNDRV_DMA_TYPE_DEV) + (substream->dma_buffer.dev.type != SNDRV_DMA_TYPE_DEV && + substream->dma_buffer.dev.type != SNDRV_DMA_TYPE_DEV_UC)) return true; return dma_can_mmap(substream->dma_buffer.dev.dev); @@ -3334,7 +3336,18 @@ static inline struct page * snd_pcm_default_page_ops(struct snd_pcm_substream *substream, unsigned long ofs) { void *vaddr = substream->runtime->dma_area + ofs; - return virt_to_page(vaddr); + + switch (substream->dma_buffer.dev.type) { +#ifdef CONFIG_SND_DMA_SGBUF + case SNDRV_DMA_TYPE_DEV_SG: + case SNDRV_DMA_TYPE_DEV_UC_SG: + return snd_pcm_sgbuf_ops_page(substream, ofs); +#endif /* CONFIG_SND_DMA_SGBUF */ + case SNDRV_DMA_TYPE_VMALLOC: + return vmalloc_to_page(vaddr); + default: + return virt_to_page(vaddr); + } } /* |