target/linux/layerscape/patches-5.4/801-audio-0023-ASoC-fsl-add-imx-pcm-dma-v2-platform-driver-part-2.patch

   1 From 5d816f1a5cac458a7fff9ecf896c85eb351a7352 Mon Sep 17 00:00:00 2001
   2 From: Viorel Suman <viorel.suman@nxp.com>
   3 Date: Mon, 30 Mar 2020 16:24:59 +0800
   4 Subject: [PATCH] ASoC: fsl: add imx-pcm-dma v2 platform driver (part 2)
   5
   6 which don't request the dma channel in the probe, but request
   7 dma channel when needed. for the dma channel of cpu dai in BE
   8 can be reused by the FE.
   9
  10 Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
  11 [ Aisheng: split PCM changes ]
  12 Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
  13 [rebase]
  14 Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
  15 ---
  16  sound/soc/fsl/fsl_sai.c | 4 +++-
  17  1 file changed, 3 insertions(+), 1 deletion(-)
  18
  19 --- a/sound/soc/fsl/fsl_sai.c
  20 +++ b/sound/soc/fsl/fsl_sai.c
  21 @@ -1046,6 +1046,8 @@ static int fsl_sai_probe(struct platform
  22                                    MCLK_DIR(index));
  23         }
  24
  25 +       sai->dma_params_rx.filter_data = "rx";
  26 +       sai->dma_params_tx.filter_data = "tx";
  27         sai->dma_params_rx.addr = res->start + FSL_SAI_RDR0;
  28         sai->dma_params_tx.addr = res->start + FSL_SAI_TDR0;
  29         sai->dma_params_rx.maxburst = FSL_SAI_MAXBURST_RX;
  30 @@ -1061,7 +1063,7 @@ static int fsl_sai_probe(struct platform
  31                 goto err_pm_disable;
  32
  33         if (sai->soc->imx)
  34 -               ret = imx_pcm_dma_init(pdev, IMX_SAI_DMABUF_SIZE);
  35 +               ret = imx_pcm_platform_register(&pdev->dev);
  36                 if (ret)
  37                         goto err_pm_disable;
  38         } else {