sound/soc/soc-link.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // soc-link.c
   4 //
   5 // Copyright (C) 2019 Renesas Electronics Corp.
   6 // Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
   7 //
   8 #include <sound/soc.h>
   9 #include <sound/soc-link.h>
  10
  11 #define soc_link_ret(rtd, ret) _soc_link_ret(rtd, __func__, ret)
  12 static inline int _soc_link_ret(struct snd_soc_pcm_runtime *rtd,
  13                                 const char *func, int ret)
  14 {
  15         /* Positive, Zero values are not errors */
  16         if (ret >= 0)
  17                 return ret;
  18
  19         /* Negative values might be errors */
  20         switch (ret) {
  21         case -EPROBE_DEFER:
  22         case -ENOTSUPP:
  23                 break;
  24         default:
  25                 dev_err(rtd->dev,
  26                         "ASoC: error at %s on %s: %d\n",
  27                         func, rtd->dai_link->name, ret);
  28         }
  29
  30         return ret;
  31 }
  32
  33 int snd_soc_link_init(struct snd_soc_pcm_runtime *rtd)
  34 {
  35         int ret = 0;
  36
  37         if (rtd->dai_link->init)
  38                 ret = rtd->dai_link->init(rtd);
  39
  40         return soc_link_ret(rtd, ret);
  41 }
  42
  43 void snd_soc_link_exit(struct snd_soc_pcm_runtime *rtd)
  44 {
  45         if (rtd->dai_link->exit)
  46                 rtd->dai_link->exit(rtd);
  47 }
  48
  49 int snd_soc_link_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
  50                                     struct snd_pcm_hw_params *params)
  51 {
  52         int ret = 0;
  53
  54         if (rtd->dai_link->be_hw_params_fixup)
  55                 ret = rtd->dai_link->be_hw_params_fixup(rtd, params);
  56
  57         return soc_link_ret(rtd, ret);
  58 }
  59
  60 int snd_soc_link_startup(struct snd_pcm_substream *substream)
  61 {
  62         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
  63         int ret = 0;
  64
  65         if (rtd->dai_link->ops &&
  66             rtd->dai_link->ops->startup)
  67                 ret = rtd->dai_link->ops->startup(substream);
  68
  69         return soc_link_ret(rtd, ret);
  70 }
  71
  72 void snd_soc_link_shutdown(struct snd_pcm_substream *substream)
  73 {
  74         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
  75
  76         if (rtd->dai_link->ops &&
  77             rtd->dai_link->ops->shutdown)
  78                 rtd->dai_link->ops->shutdown(substream);
  79 }
  80
  81 int snd_soc_link_prepare(struct snd_pcm_substream *substream)
  82 {
  83         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
  84         int ret = 0;
  85
  86         if (rtd->dai_link->ops &&
  87             rtd->dai_link->ops->prepare)
  88                 ret = rtd->dai_link->ops->prepare(substream);
  89
  90         return soc_link_ret(rtd, ret);
  91 }
  92
  93 int snd_soc_link_hw_params(struct snd_pcm_substream *substream,
  94                            struct snd_pcm_hw_params *params)
  95 {
  96         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
  97         int ret = 0;
  98
  99         if (rtd->dai_link->ops &&
 100             rtd->dai_link->ops->hw_params)
 101                 ret = rtd->dai_link->ops->hw_params(substream, params);
 102
 103         return soc_link_ret(rtd, ret);
 104 }
 105
 106 void snd_soc_link_hw_free(struct snd_pcm_substream *substream)
 107 {
 108         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 109
 110         if (rtd->dai_link->ops &&
 111             rtd->dai_link->ops->hw_free)
 112                 rtd->dai_link->ops->hw_free(substream);
 113 }
 114
 115 int snd_soc_link_trigger(struct snd_pcm_substream *substream, int cmd)
 116 {
 117         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 118         int ret = 0;
 119
 120         if (rtd->dai_link->ops &&
 121             rtd->dai_link->ops->trigger)
 122                 ret = rtd->dai_link->ops->trigger(substream, cmd);
 123
 124         return soc_link_ret(rtd, ret);
 125 }
 126
 127 int snd_soc_link_compr_startup(struct snd_compr_stream *cstream)
 128 {
 129         struct snd_soc_pcm_runtime *rtd = cstream->private_data;
 130         int ret = 0;
 131
 132         if (rtd->dai_link->compr_ops &&
 133             rtd->dai_link->compr_ops->startup)
 134                 ret = rtd->dai_link->compr_ops->startup(cstream);
 135
 136         return soc_link_ret(rtd, ret);
 137 }
 138 EXPORT_SYMBOL_GPL(snd_soc_link_compr_startup);
 139
 140 void snd_soc_link_compr_shutdown(struct snd_compr_stream *cstream)
 141 {
 142         struct snd_soc_pcm_runtime *rtd = cstream->private_data;
 143
 144         if (rtd->dai_link->compr_ops &&
 145             rtd->dai_link->compr_ops->shutdown)
 146                 rtd->dai_link->compr_ops->shutdown(cstream);
 147 }
 148 EXPORT_SYMBOL_GPL(snd_soc_link_compr_shutdown);
 149
 150 int snd_soc_link_compr_set_params(struct snd_compr_stream *cstream)
 151 {
 152         struct snd_soc_pcm_runtime *rtd = cstream->private_data;
 153         int ret = 0;
 154
 155         if (rtd->dai_link->compr_ops &&
 156             rtd->dai_link->compr_ops->set_params)
 157                 ret = rtd->dai_link->compr_ops->set_params(cstream);
 158
 159         return soc_link_ret(rtd, ret);
 160 }
 161 EXPORT_SYMBOL_GPL(snd_soc_link_compr_set_params);