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-rw-r--r--include/sound/dmaengine_pcm.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/sound/dmaengine_pcm.h b/include/sound/dmaengine_pcm.h
index f11c35cd5532..15017311f2e9 100644
--- a/include/sound/dmaengine_pcm.h
+++ b/include/sound/dmaengine_pcm.h
@@ -61,6 +61,8 @@ struct dma_chan *snd_dmaengine_pcm_get_chan(struct snd_pcm_substream *substream)
61 * @slave_id: Slave requester id for the DMA channel. 61 * @slave_id: Slave requester id for the DMA channel.
62 * @filter_data: Custom DMA channel filter data, this will usually be used when 62 * @filter_data: Custom DMA channel filter data, this will usually be used when
63 * requesting the DMA channel. 63 * requesting the DMA channel.
64 * @chan_name: Custom channel name to use when requesting DMA channel.
65 * @fifo_size: FIFO size of the DAI controller in bytes
64 */ 66 */
65struct snd_dmaengine_dai_dma_data { 67struct snd_dmaengine_dai_dma_data {
66 dma_addr_t addr; 68 dma_addr_t addr;
@@ -68,6 +70,8 @@ struct snd_dmaengine_dai_dma_data {
68 u32 maxburst; 70 u32 maxburst;
69 unsigned int slave_id; 71 unsigned int slave_id;
70 void *filter_data; 72 void *filter_data;
73 const char *chan_name;
74 unsigned int fifo_size;
71}; 75};
72 76
73void snd_dmaengine_pcm_set_config_from_dai_data( 77void snd_dmaengine_pcm_set_config_from_dai_data(
@@ -96,6 +100,10 @@ void snd_dmaengine_pcm_set_config_from_dai_data(
96 * playback. 100 * playback.
97 */ 101 */
98#define SND_DMAENGINE_PCM_FLAG_HALF_DUPLEX BIT(3) 102#define SND_DMAENGINE_PCM_FLAG_HALF_DUPLEX BIT(3)
103/*
104 * The PCM streams have custom channel names specified.
105 */
106#define SND_DMAENGINE_PCM_FLAG_CUSTOM_CHANNEL_NAME BIT(4)
99 107
100/** 108/**
101 * struct snd_dmaengine_pcm_config - Configuration data for dmaengine based PCM 109 * struct snd_dmaengine_pcm_config - Configuration data for dmaengine based PCM