linux-4.4.1/snd_dmaengine_pcm_request_channel()
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開始行:
*参照元 [#x3d4f7cf]
#backlinks
*説明 [#fb176bfa]
-パス: [[linux-4.4.1/sound/core/pcm_dmaengine.c]]
-FIXME: これは何?
--説明
**引数 [#q383341e]
-dma_filter_fn filter_fn
--
--[[linux-4.4.1/dma_filter_fn]]
-void *filter_data
--
**返り値 [#t094f337]
-struct dma_chan *
--
--[[linux-4.4.1/dma_chan]]
**参考 [#q34becc3]
*実装 [#h95e8f81]
/**
* snd_dmaengine_pcm_request_channel - Request channel f...
* @filter_fn: Filter function used to request the DMA c...
* @filter_data: Data passed to the DMA filter function
*
* Returns NULL or the requested DMA channel.
*
* This function request a DMA channel for usage with dm...
*/
struct dma_chan *snd_dmaengine_pcm_request_channel(dma_f...
void *filter_data)
{
dma_cap_mask_t mask;
-
--[[linux-4.4.1/dma_cap_mask_t]]
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);
dma_cap_set(DMA_CYCLIC, mask);
-
--[[linux-4.4.1/dma_cap_zero()]]
--[[linux-4.4.1/dma_cap_set()]]
return dma_request_channel(mask, filter_fn, filt...
-
--[[linux-4.4.1/dma_request_channel()]]
}
EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_request_channel);
-
--[[linux-4.4.1/EXPORT_SYMBOL_GPL()]]
*コメント [#qc814b29]
終了行:
*参照元 [#x3d4f7cf]
#backlinks
*説明 [#fb176bfa]
-パス: [[linux-4.4.1/sound/core/pcm_dmaengine.c]]
-FIXME: これは何?
--説明
**引数 [#q383341e]
-dma_filter_fn filter_fn
--
--[[linux-4.4.1/dma_filter_fn]]
-void *filter_data
--
**返り値 [#t094f337]
-struct dma_chan *
--
--[[linux-4.4.1/dma_chan]]
**参考 [#q34becc3]
*実装 [#h95e8f81]
/**
* snd_dmaengine_pcm_request_channel - Request channel f...
* @filter_fn: Filter function used to request the DMA c...
* @filter_data: Data passed to the DMA filter function
*
* Returns NULL or the requested DMA channel.
*
* This function request a DMA channel for usage with dm...
*/
struct dma_chan *snd_dmaengine_pcm_request_channel(dma_f...
void *filter_data)
{
dma_cap_mask_t mask;
-
--[[linux-4.4.1/dma_cap_mask_t]]
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);
dma_cap_set(DMA_CYCLIC, mask);
-
--[[linux-4.4.1/dma_cap_zero()]]
--[[linux-4.4.1/dma_cap_set()]]
return dma_request_channel(mask, filter_fn, filt...
-
--[[linux-4.4.1/dma_request_channel()]]
}
EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_request_channel);
-
--[[linux-4.4.1/EXPORT_SYMBOL_GPL()]]
*コメント [#qc814b29]
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