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 int snd_soc_link_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
  44                                     struct snd_pcm_hw_params *params)
  45 {
  46         int ret = 0;
  47
  48         if (rtd->dai_link->be_hw_params_fixup)
  49                 ret = rtd->dai_link->be_hw_params_fixup(rtd, params);
  50
  51         return soc_link_ret(rtd, ret);
  52 }
  53
  54 int snd_soc_link_startup(struct snd_pcm_substream *substream)
  55 {
  56         struct snd_soc_pcm_runtime *rtd = substream->private_data;
  57         int ret = 0;
  58
  59         if (rtd->dai_link->ops &&
  60             rtd->dai_link->ops->startup)
  61                 ret = rtd->dai_link->ops->startup(substream);
  62
  63         return soc_link_ret(rtd, ret);
  64 }
  65
  66 void snd_soc_link_shutdown(struct snd_pcm_substream *substream)
  67 {
  68         struct snd_soc_pcm_runtime *rtd = substream->private_data;
  69
  70         if (rtd->dai_link->ops &&
  71             rtd->dai_link->ops->shutdown)
  72                 rtd->dai_link->ops->shutdown(substream);
  73 }
  74
  75 int snd_soc_link_prepare(struct snd_pcm_substream *substream)
  76 {
  77         struct snd_soc_pcm_runtime *rtd = substream->private_data;
  78         int ret = 0;
  79
  80         if (rtd->dai_link->ops &&
  81             rtd->dai_link->ops->prepare)
  82                 ret = rtd->dai_link->ops->prepare(substream);
  83
  84         return soc_link_ret(rtd, ret);
  85 }
  86
  87 int snd_soc_link_hw_params(struct snd_pcm_substream *substream,
  88                            struct snd_pcm_hw_params *params)
  89 {
  90         struct snd_soc_pcm_runtime *rtd = substream->private_data;
  91         int ret = 0;
  92
  93         if (rtd->dai_link->ops &&
  94             rtd->dai_link->ops->hw_params)
  95                 ret = rtd->dai_link->ops->hw_params(substream, params);
  96
  97         return soc_link_ret(rtd, ret);
  98 }
  99
 100 void snd_soc_link_hw_free(struct snd_pcm_substream *substream)
 101 {
 102         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 103
 104         if (rtd->dai_link->ops &&
 105             rtd->dai_link->ops->hw_free)
 106                 rtd->dai_link->ops->hw_free(substream);
 107 }
 108
 109 int snd_soc_link_trigger(struct snd_pcm_substream *substream, int cmd)
 110 {
 111         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 112         int ret = 0;
 113
 114         if (rtd->dai_link->ops &&
 115             rtd->dai_link->ops->trigger)
 116                 ret = rtd->dai_link->ops->trigger(substream, cmd);
 117
 118         return soc_link_ret(rtd, ret);
 119 }
 120
 121 int snd_soc_link_compr_startup(struct snd_compr_stream *cstream)
 122 {
 123         struct snd_soc_pcm_runtime *rtd = cstream->private_data;
 124         int ret = 0;
 125
 126         if (rtd->dai_link->compr_ops &&
 127             rtd->dai_link->compr_ops->startup)
 128                 ret = rtd->dai_link->compr_ops->startup(cstream);
 129
 130         return soc_link_ret(rtd, ret);
 131 }
 132 EXPORT_SYMBOL_GPL(snd_soc_link_compr_startup);
 133
 134 void snd_soc_link_compr_shutdown(struct snd_compr_stream *cstream)
 135 {
 136         struct snd_soc_pcm_runtime *rtd = cstream->private_data;
 137
 138         if (rtd->dai_link->compr_ops &&
 139             rtd->dai_link->compr_ops->shutdown)
 140                 rtd->dai_link->compr_ops->shutdown(cstream);
 141 }
 142 EXPORT_SYMBOL_GPL(snd_soc_link_compr_shutdown);
 143
 144 int snd_soc_link_compr_set_params(struct snd_compr_stream *cstream)
 145 {
 146         struct snd_soc_pcm_runtime *rtd = cstream->private_data;
 147         int ret = 0;
 148
 149         if (rtd->dai_link->compr_ops &&
 150             rtd->dai_link->compr_ops->set_params)
 151                 ret = rtd->dai_link->compr_ops->set_params(cstream);
 152
 153         return soc_link_ret(rtd, ret);
 154 }
 155 EXPORT_SYMBOL_GPL(snd_soc_link_compr_set_params);