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ASoC: soc-dai: move snd_soc_dai_stream_valid() to soc-dai.c
authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Mon, 22 Jul 2019 01:36:16 +0000 (10:36 +0900)
committerMark Brown <broonie@kernel.org>
Tue, 23 Jul 2019 17:14:26 +0000 (18:14 +0100)
snd_soc_dai_stream_valid() is function to check stream validity.
But, some code is using it, some code are checking stream->channels_min
directly. Doing samethings by different method is confusable.
This patch uses same funcntion for same purpose.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87ftmyhmzz.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
include/sound/soc-dai.h
sound/soc/soc-compress.c
sound/soc/soc-dai.c
sound/soc/soc-pcm.c

index 0f8b095..dc48fe0 100644 (file)
@@ -168,6 +168,7 @@ int snd_soc_dai_probe(struct snd_soc_dai *dai);
 int snd_soc_dai_remove(struct snd_soc_dai *dai);
 int snd_soc_dai_compress_new(struct snd_soc_dai *dai,
                             struct snd_soc_pcm_runtime *rtd, int num);
+bool snd_soc_dai_stream_valid(struct snd_soc_dai *dai, int stream);
 
 struct snd_soc_dai_ops {
        /*
index ddef4ff..2892110 100644 (file)
@@ -872,14 +872,13 @@ int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
        }
 
        /* check client and interface hw capabilities */
-       if (codec_dai->driver->playback.channels_min)
+       if (snd_soc_dai_stream_valid(codec_dai, SNDRV_PCM_STREAM_PLAYBACK) &&
+           snd_soc_dai_stream_valid(cpu_dai,   SNDRV_PCM_STREAM_PLAYBACK))
                playback = 1;
-       if (codec_dai->driver->capture.channels_min)
+       if (snd_soc_dai_stream_valid(codec_dai, SNDRV_PCM_STREAM_CAPTURE) &&
+           snd_soc_dai_stream_valid(cpu_dai,   SNDRV_PCM_STREAM_CAPTURE))
                capture = 1;
 
-       capture = capture && cpu_dai->driver->capture.channels_min;
-       playback = playback && cpu_dai->driver->playback.channels_min;
-
        /*
         * Compress devices are unidirectional so only one of the directions
         * should be set, check for that (xor)
index e6f161b..1c7f638 100644 (file)
@@ -387,3 +387,21 @@ int snd_soc_dai_compress_new(struct snd_soc_dai *dai,
                return dai->driver->compress_new(rtd, num);
        return -ENOTSUPP;
 }
+
+/*
+ * snd_soc_dai_stream_valid() - check if a DAI supports the given stream
+ *
+ * Returns true if the DAI supports the indicated stream type.
+ */
+bool snd_soc_dai_stream_valid(struct snd_soc_dai *dai, int dir)
+{
+       struct snd_soc_pcm_stream *stream;
+
+       if (dir == SNDRV_PCM_STREAM_PLAYBACK)
+               stream = &dai->driver->playback;
+       else
+               stream = &dai->driver->capture;
+
+       /* If the codec specifies any channels at all, it supports the stream */
+       return stream->channels_min;
+}
index f313772..fabeac1 100644 (file)
 
 #define DPCM_MAX_BE_USERS      8
 
-/*
- * snd_soc_dai_stream_valid() - check if a DAI supports the given stream
- *
- * Returns true if the DAI supports the indicated stream type.
- */
-static bool snd_soc_dai_stream_valid(struct snd_soc_dai *dai, int stream)
-{
-       struct snd_soc_pcm_stream *codec_stream;
-
-       if (stream == SNDRV_PCM_STREAM_PLAYBACK)
-               codec_stream = &dai->driver->playback;
-       else
-               codec_stream = &dai->driver->capture;
-
-       /* If the codec specifies any channels at all, it supports the stream */
-       return codec_stream->channels_min;
-}
-
 /**
  * snd_soc_runtime_activate() - Increment active count for PCM runtime components
  * @rtd: ASoC PCM runtime that is activated
@@ -2688,8 +2670,8 @@ static int soc_dpcm_fe_runtime_update(struct snd_soc_pcm_runtime *fe, int new)
                new ? "new" : "old", fe->dai_link->name);
 
        /* skip if FE doesn't have playback capability */
-       if (!fe->cpu_dai->driver->playback.channels_min ||
-           !fe->codec_dai->driver->playback.channels_min)
+       if (!snd_soc_dai_stream_valid(fe->cpu_dai,   SNDRV_PCM_STREAM_PLAYBACK) ||
+           !snd_soc_dai_stream_valid(fe->codec_dai, SNDRV_PCM_STREAM_PLAYBACK))
                goto capture;
 
        /* skip if FE isn't currently playing */
@@ -2719,8 +2701,8 @@ static int soc_dpcm_fe_runtime_update(struct snd_soc_pcm_runtime *fe, int new)
 
 capture:
        /* skip if FE doesn't have capture capability */
-       if (!fe->cpu_dai->driver->capture.channels_min ||
-           !fe->codec_dai->driver->capture.channels_min)
+       if (!snd_soc_dai_stream_valid(fe->cpu_dai,   SNDRV_PCM_STREAM_CAPTURE) ||
+           !snd_soc_dai_stream_valid(fe->codec_dai, SNDRV_PCM_STREAM_CAPTURE))
                return 0;
 
        /* skip if FE isn't currently capturing */
@@ -3030,14 +3012,13 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
                capture = rtd->dai_link->dpcm_capture;
        } else {
                for_each_rtd_codec_dai(rtd, i, codec_dai) {
-                       if (codec_dai->driver->playback.channels_min)
+                       if (snd_soc_dai_stream_valid(codec_dai, SNDRV_PCM_STREAM_PLAYBACK) &&
+                           snd_soc_dai_stream_valid(cpu_dai,   SNDRV_PCM_STREAM_PLAYBACK))
                                playback = 1;
-                       if (codec_dai->driver->capture.channels_min)
+                       if (snd_soc_dai_stream_valid(codec_dai, SNDRV_PCM_STREAM_CAPTURE) &&
+                           snd_soc_dai_stream_valid(cpu_dai,   SNDRV_PCM_STREAM_CAPTURE))
                                capture = 1;
                }
-
-               capture = capture && cpu_dai->driver->capture.channels_min;
-               playback = playback && cpu_dai->driver->playback.channels_min;
        }
 
        if (rtd->dai_link->playback_only) {
@@ -3375,11 +3356,11 @@ static ssize_t dpcm_state_read_file(struct file *file, char __user *user_buf,
        if (!buf)
                return -ENOMEM;
 
-       if (fe->cpu_dai->driver->playback.channels_min)
+       if (snd_soc_dai_stream_valid(fe->cpu_dai, SNDRV_PCM_STREAM_PLAYBACK))
                offset += dpcm_show_state(fe, SNDRV_PCM_STREAM_PLAYBACK,
                                        buf + offset, out_count - offset);
 
-       if (fe->cpu_dai->driver->capture.channels_min)
+       if (snd_soc_dai_stream_valid(fe->cpu_dai, SNDRV_PCM_STREAM_CAPTURE))
                offset += dpcm_show_state(fe, SNDRV_PCM_STREAM_CAPTURE,
                                        buf + offset, out_count - offset);