diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/801-audio-0066-MLK-16224-2-ASoC-dmaengine_pcm-add-fifo_num-to-snd_d.patch')
-rw-r--r-- | target/linux/layerscape/patches-5.4/801-audio-0066-MLK-16224-2-ASoC-dmaengine_pcm-add-fifo_num-to-snd_d.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/801-audio-0066-MLK-16224-2-ASoC-dmaengine_pcm-add-fifo_num-to-snd_d.patch b/target/linux/layerscape/patches-5.4/801-audio-0066-MLK-16224-2-ASoC-dmaengine_pcm-add-fifo_num-to-snd_d.patch new file mode 100644 index 0000000000..6f4997f4e8 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/801-audio-0066-MLK-16224-2-ASoC-dmaengine_pcm-add-fifo_num-to-snd_d.patch @@ -0,0 +1,28 @@ +From fd343b5141e1128ab893f5370d2a05e4f09830b1 Mon Sep 17 00:00:00 2001 +From: Shengjiu Wang <shengjiu.wang@nxp.com> +Date: Tue, 23 Jan 2018 13:27:10 +0800 +Subject: [PATCH] MLK-16224-2: ASoC: dmaengine_pcm: add fifo_num to + snd_dmaengine_dai_dma_data + +In order to support multi-fifo sdma script, the audio driver need to send +the fifo number to dma driver through dma_slave_config, and the cpu_dai +driver should config fifo_num for the audio platform driver, then platform +driver can config fifo_num to dma. +So add new variable fifo_num for struct snd_dmaengine_dai_dma_data. + +Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> +Reviewed-by: Robin Gong<yibin.gong@nxp.com> +--- + include/sound/dmaengine_pcm.h | 1 + + 1 file changed, 1 insertion(+) + +--- a/include/sound/dmaengine_pcm.h ++++ b/include/sound/dmaengine_pcm.h +@@ -76,6 +76,7 @@ struct snd_dmaengine_dai_dma_data { + const char *chan_name; + unsigned int fifo_size; + unsigned int flags; ++ unsigned int fifo_num; + }; + + void snd_dmaengine_pcm_set_config_from_dai_data( |