ASoC: dpcm: Add helper function for initializing runtime pcm

We have the same code for initializing the runtime pcm on both the playback and
the capture path. Factor this out into a common helper function.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 10f29a0..b649e32 100644 (file)
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1228,6 +1228,17 @@ unwind:
        return err;
 }
 
+static void dpcm_init_runtime_hw(struct snd_pcm_runtime *runtime,
+       struct snd_soc_pcm_stream *stream)
+{
+       runtime->hw.rate_min = stream->rate_min;
+       runtime->hw.rate_max = stream->rate_max;
+       runtime->hw.channels_min = stream->channels_min;
+       runtime->hw.channels_max = stream->channels_max;
+       runtime->hw.formats &= stream->formats;
+       runtime->hw.rates = stream->rates;
+}
+
 static void dpcm_set_fe_runtime(struct snd_pcm_substream *substream)
 {
        struct snd_pcm_runtime *runtime = substream->runtime;
@@ -1235,21 +1246,10 @@ static void dpcm_set_fe_runtime(struct snd_pcm_substream *substream)
        struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
        struct snd_soc_dai_driver *cpu_dai_drv = cpu_dai->driver;
 
-       if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
-               runtime->hw.rate_min = cpu_dai_drv->playback.rate_min;
-               runtime->hw.rate_max = cpu_dai_drv->playback.rate_max;
-               runtime->hw.channels_min = cpu_dai_drv->playback.channels_min;
-               runtime->hw.channels_max = cpu_dai_drv->playback.channels_max;
-               runtime->hw.formats &= cpu_dai_drv->playback.formats;
-               runtime->hw.rates = cpu_dai_drv->playback.rates;
-       } else {
-               runtime->hw.rate_min = cpu_dai_drv->capture.rate_min;
-               runtime->hw.rate_max = cpu_dai_drv->capture.rate_max;
-               runtime->hw.channels_min = cpu_dai_drv->capture.channels_min;
-               runtime->hw.channels_max = cpu_dai_drv->capture.channels_max;
-               runtime->hw.formats &= cpu_dai_drv->capture.formats;
-               runtime->hw.rates = cpu_dai_drv->capture.rates;
-       }
+       if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+               dpcm_init_runtime_hw(runtime, &cpu_dai_drv->playback);
+       else
+               dpcm_init_runtime_hw(runtime, &cpu_dai_drv->capture);
 }
 
 static int dpcm_fe_dai_startup(struct snd_pcm_substream *fe_substream)