diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/801-audio-0023-ASoC-fsl-add-imx-pcm-dma-v2-platform-driver-part-2.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/801-audio-0023-ASoC-fsl-add-imx-pcm-dma-v2-platform-driver-part-2.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/801-audio-0023-ASoC-fsl-add-imx-pcm-dma-v2-platform-driver-part-2.patch b/target/linux/layerscape/patches-5.4/801-audio-0023-ASoC-fsl-add-imx-pcm-dma-v2-platform-driver-part-2.patch new file mode 100644 index 0000000000..d09dd9b415 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/801-audio-0023-ASoC-fsl-add-imx-pcm-dma-v2-platform-driver-part-2.patch @@ -0,0 +1,38 @@ +From 5d816f1a5cac458a7fff9ecf896c85eb351a7352 Mon Sep 17 00:00:00 2001 +From: Viorel Suman <viorel.suman@nxp.com> +Date: Mon, 30 Mar 2020 16:24:59 +0800 +Subject: [PATCH] ASoC: fsl: add imx-pcm-dma v2 platform driver (part 2) + +which don't request the dma channel in the probe, but request +dma channel when needed. for the dma channel of cpu dai in BE +can be reused by the FE. + +Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> +[ Aisheng: split PCM changes ] +Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com> +[rebase] +Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> +--- + sound/soc/fsl/fsl_sai.c | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +--- a/sound/soc/fsl/fsl_sai.c ++++ b/sound/soc/fsl/fsl_sai.c +@@ -1046,6 +1046,8 @@ static int fsl_sai_probe(struct platform + MCLK_DIR(index)); + } + ++ sai->dma_params_rx.filter_data = "rx"; ++ sai->dma_params_tx.filter_data = "tx"; + sai->dma_params_rx.addr = res->start + FSL_SAI_RDR0; + sai->dma_params_tx.addr = res->start + FSL_SAI_TDR0; + sai->dma_params_rx.maxburst = FSL_SAI_MAXBURST_RX; +@@ -1061,7 +1063,7 @@ static int fsl_sai_probe(struct platform + goto err_pm_disable; + + if (sai->soc->imx) +- ret = imx_pcm_dma_init(pdev, IMX_SAI_DMABUF_SIZE); ++ ret = imx_pcm_platform_register(&pdev->dev); + if (ret) + goto err_pm_disable; + } else { |