From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com
soc_pcm_apply_msb() apply msb for CPU/Codec, but, it has duplicate code. The difference is only SNDRV_PCM_STREAM_PLAYBACK and SNDRV_PCM_STEAM_CAPTURE.
It is very verbose and duplicate code. This patch simplify code by using snd_soc_dai_get_pcm_stream().
Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com --- sound/soc/soc-pcm.c | 29 ++++++++++++----------------- 1 file changed, 12 insertions(+), 17 deletions(-)
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 8734ce051c51..4b9ade4349aa 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -363,29 +363,24 @@ static void soc_pcm_apply_msb(struct snd_pcm_substream *substream) struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *cpu_dai = rtd->cpu_dai; struct snd_soc_dai *codec_dai; + struct snd_soc_pcm_stream *pcm_codec, *pcm_cpu; + int stream = substream->stream; int i; unsigned int bits = 0, cpu_bits;
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - for_each_rtd_codec_dai(rtd, i, codec_dai) { - if (codec_dai->driver->playback.sig_bits == 0) { - bits = 0; - break; - } - bits = max(codec_dai->driver->playback.sig_bits, bits); - } - cpu_bits = cpu_dai->driver->playback.sig_bits; - } else { - for_each_rtd_codec_dai(rtd, i, codec_dai) { - if (codec_dai->driver->capture.sig_bits == 0) { - bits = 0; - break; - } - bits = max(codec_dai->driver->capture.sig_bits, bits); + for_each_rtd_codec_dai(rtd, i, codec_dai) { + pcm_codec = snd_soc_dai_get_pcm_stream(codec_dai, stream); + + if (pcm_codec->sig_bits == 0) { + bits = 0; + break; } - cpu_bits = cpu_dai->driver->capture.sig_bits; + bits = max(pcm_codec->sig_bits, bits); }
+ pcm_cpu = snd_soc_dai_get_pcm_stream(cpu_dai, stream); + cpu_bits = pcm_cpu->sig_bits; + soc_pcm_set_msb(substream, bits); soc_pcm_set_msb(substream, cpu_bits); }