target/linux/layerscape/patches-5.4/801-audio-0048-MLK-17580-ASoC-fsl-sai-Use-DSD-helper.patch

   1 From 0a71cfbd55ba50414bfcb4ecccf656a580930790 Mon Sep 17 00:00:00 2001
   2 From: Viorel Suman <viorel.suman@nxp.com>
   3 Date: Thu, 8 Mar 2018 14:43:34 +0200
   4 Subject: [PATCH] MLK-17580: ASoC: fsl: sai: Use DSD helper
   5
   6 Replace DSD related code with calls to DSD helper functions.
   7
   8 Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
   9 Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com
  10 ---
  11  sound/soc/fsl/fsl_sai.c | 34 +++++++++++-----------------------
  12  sound/soc/fsl/fsl_sai.h |  2 +-
  13  2 files changed, 12 insertions(+), 24 deletions(-)
  14
  15 --- a/sound/soc/fsl/fsl_sai.c
  16 +++ b/sound/soc/fsl/fsl_sai.c
  17 @@ -22,6 +22,7 @@
  18  #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
  19  #include <linux/pm_runtime.h>
  20
  21 +#include "fsl_dsd.h"
  22  #include "fsl_sai.h"
  23  #include "imx-pcm.h"
  24
  25 @@ -523,31 +524,21 @@ static int fsl_sai_hw_params(struct snd_
  26         int ret;
  27         int i;
  28         int trce_mask = 0;
  29 -       snd_pcm_format_t format = params_format(params);
  30
  31         if (sai->slots)
  32                 slots = sai->slots;
  33
  34         pins = DIV_ROUND_UP(channels, slots);
  35 +       sai->is_dsd = fsl_is_dsd(params);
  36 +       sai->pins_state = fsl_get_pins_state(sai->pinctrl, params);
  37
  38 -       if (format == SNDRV_PCM_FORMAT_DSD_U8 ||
  39 -               format == SNDRV_PCM_FORMAT_DSD_U16_LE ||
  40 -               format == SNDRV_PCM_FORMAT_DSD_U16_BE ||
  41 -               format == SNDRV_PCM_FORMAT_DSD_U32_LE ||
  42 -               format == SNDRV_PCM_FORMAT_DSD_U32_BE) {
  43 -               sai->is_dsd = true;
  44 -
  45 -               if (!IS_ERR_OR_NULL(sai->pins_dsd)) {
  46 -                       ret = pinctrl_select_state(sai->pinctrl, sai->pins_dsd);
  47 -                       if (ret) {
  48 -                               dev_err(cpu_dai->dev,
  49 -                                       "failed to set proper pins state: %d\n", ret);
  50 -                               return ret;
  51 -                       }
  52 +       if (!IS_ERR_OR_NULL(sai->pins_state)) {
  53 +               ret = pinctrl_select_state(sai->pinctrl, sai->pins_state);
  54 +               if (ret) {
  55 +                       dev_err(cpu_dai->dev,
  56 +                               "failed to set proper pins state: %d\n", ret);
  57 +                       return ret;
  58                 }
  59 -       } else {
  60 -               pinctrl_pm_select_default_state(cpu_dai->dev);
  61 -               sai->is_dsd = false;
  62         }
  63
  64         if (sai->is_dsd)
  65 @@ -929,8 +920,8 @@ static int fsl_sai_dai_resume(struct snd
  66         struct fsl_sai *sai = snd_soc_dai_get_drvdata(cpu_dai);
  67         int ret;
  68
  69 -       if (sai->is_dsd && !IS_ERR_OR_NULL(sai->pins_dsd)) {
  70 -               ret = pinctrl_select_state(sai->pinctrl, sai->pins_dsd);
  71 +       if (!IS_ERR_OR_NULL(sai->pins_state)) {
  72 +               ret = pinctrl_select_state(sai->pinctrl, sai->pins_state);
  73                 if (ret) {
  74                         dev_err(cpu_dai->dev,
  75                                 "failed to set proper pins state: %d\n", ret);
  76 @@ -1354,9 +1345,6 @@ static int fsl_sai_probe(struct platform
  77
  78         sai->pinctrl  = devm_pinctrl_get(&pdev->dev);
  79
  80 -       if (!IS_ERR_OR_NULL(sai->pinctrl))
  81 -               sai->pins_dsd = pinctrl_lookup_state(sai->pinctrl, "dsd");
  82 -
  83         platform_set_drvdata(pdev, sai);
  84
  85         pm_runtime_enable(&pdev->dev);
  86 --- a/sound/soc/fsl/fsl_sai.h
  87 +++ b/sound/soc/fsl/fsl_sai.h
  88 @@ -211,7 +211,7 @@ struct fsl_sai {
  89         const struct fsl_sai_soc_data *soc;
  90         struct pm_qos_request pm_qos_req;
  91         struct pinctrl *pinctrl;
  92 -       struct pinctrl_state *pins_dsd;
  93 +       struct pinctrl_state *pins_state;
  94  };
  95
  96  #define TX 1