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ASoC: core: Update DMA mask for hostless pcm devices

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Hostless pcm device coherent DMA mask is hardcorded to 32.
Update it based on size of dma address to support both
32 and 64 bit

Change-Id: I604d440cfd5abcf473ec87b18b5cc6ee8ff42b49
Signed-off-by: Neema Shetty <nshetty@codeaurora.org>
Signed-off-by: Vidyakumar Athota <vathota@codeaurora.org>
This commit is contained in:
Neema Shetty 2013-09-23 23:45:24 -07:00 • committed by David Keitel
parent 4b0ad86df7
commit 20040e1da8
1 changed files with 2 additions and 1 deletions
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3
sound/soc/soc-pcm.c
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@ -942,7 +942,8 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
if (rtd->dai_link->no_host_mode == SND_SOC_DAI_LINK_NO_HOST) {
substream->dma_buffer.dev.type = SNDRV_DMA_TYPE_DEV;
substream->dma_buffer.dev.dev = rtd->dev;
substream->dma_buffer.dev.dev->coherent_dma_mask = DMA_BIT_MASK(32);
substream->dma_buffer.dev.dev->coherent_dma_mask =
DMA_BIT_MASK(sizeof(dma_addr_t) * 8);
substream->dma_buffer.private_data = NULL;
ret = snd_pcm_lib_malloc_pages(substream, PAGE_SIZE);